LECROY CORP
S-1/A, 1997-03-24
INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS
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<PAGE>
 
     
  AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON MARCH 24, 1997     
 
                                                             FILE NO. 333-22117
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
 
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
 
                               ----------------
                                 PRE-EFFECTIVE
                                
                             AMENDMENT NO. 2     
                                      TO
                                   FORM S-3
                            REGISTRATION STATEMENT
                                     UNDER
                          THE SECURITIES ACT OF 1933
 
                               ----------------

                              LECROY CORPORATION
            (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
               DELAWARE                              13-2507777
    (STATE OR OTHER JURISDICTION OF     (I.R.S. EMPLOYER IDENTIFICATION NO.)
    INCORPORATION OR ORGANIZATION) 

 
 
            LUTZ P. HENCKELS, PRESIDENT AND CHIEF EXECUTIVE OFFICER
                              LECROY CORPORATION
                            700 CHESTNUT RIDGE ROAD
                        CHESTNUT RIDGE, NEW YORK 10977
                                (914) 425-2000
(NAME, ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE,
      OF AGENT FOR SERVICE AND REGISTRANT'S PRINCIPAL EXECUTIVE OFFICES)
                                  COPIES TO:
        ROGER D. FELDMAN, ESQ.                   CRAIG B. BROD, ESQ.
       BINGHAM, DANA & GOULD LLP         CLEARY, GOTTLIEB, STEEN & HAMILTON
          150 FEDERAL STREET                      ONE LIBERTY PLAZA
      BOSTON, MASSACHUSETTS 02110             NEW YORK, NEW YORK 10006
            (617) 951-8000                         (212) 225-2000
 
                               ----------------
 
  APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: As soon as
practicable after this Registration Statement becomes effective.
  If the only securities being registered on this form are being offered
pursuant to dividend or interest reinvestment plans, please check the
following box. [_]
  If any of the securities being registered on this form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, please check the following box. [_]
  If this form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following
box and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering. [_]
  If this form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. [_]
  If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. [_]
                               ----------------
 
  THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT
SHALL FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS
REGISTRATION STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH
SECTION 8(a) OF THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION STATEMENT
SHALL BECOME EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID
SECTION 8(a), MAY DETERMINE.
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
           
<PAGE>
 
                                    PART II
 
                    INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION
 
  Set forth below is an estimate (except for the Securities and Exchange
Commission Registration Fee and the NASD Filing Fee) of the fees and expenses,
all of which are payable by the Registrant (including the fees and expenses,
other than underwriting discounts and commissions, of the Selling
Stockholders), other than underwriting discounts and commissions, in
connection with the registration and sale of the Common Stock being registered
hereby:
 
<TABLE>   
   <S>                                                                 <C>
   Securities and Exchange Commission Registration Fee................ $ 24,220
   NASD Fees..........................................................    8,665
   Nasdaq National Market Fees........................................   15,000
   Fees of Registrar and Transfer Agent...............................   15,000
   Printing and Engraving.............................................  100,000
   Blue Sky Fees and Expenses.........................................   15,000
   Legal Fees and Expenses............................................  200,000
   Accounting Fees and Expenses.......................................  285,000
   Miscellaneous......................................................  132,115
                                                                       --------
     Total............................................................ $795,000
                                                                       ========
</TABLE>    
- --------
       
ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS.
 
  Section 145 of the Delaware General Corporation Law empowers a Delaware
corporation to indemnify its officers and directors and certain other persons
to the extent and under the circumstances set forth therein.
 
  The Amended and Restated By-Laws of the Company provide for indemnification
of officers and directors of the Company and certain other persons against
liabilities and expenses incurred by any of them in certain stated proceedings
and under certain stated conditions.
 
  Section 8 of the Underwriting Agreement among the Company, the Selling
Stockholders and the Underwriters, a copy of which is filed herewith as
Exhibit 1.1, provides for indemnification by the Company and the Selling
Stockholders of the Underwriters and each person, if any, who controls any
Underwriter, against certain liabilities and expenses, as stated therein,
which may include liabilities under the Securities Act of 1933, as amended.
The Underwriting Agreement also provides that the Underwriters shall similarly
indemnify the Company, its directors and certain officers, the Selling
Stockholders and certain controlling persons, as set forth therein.
 
  The Company has entered into indemnification agreements with its executive
officers and directors, pursuant to which the Company has agreed to indemnify
such persons to the fullest extent permitted by law, and providing for certain
other protections.
 
  The Company maintains insurance for the benefit of its directors and
officers insuring such persons against certain liabilities, including
liabilities under applicable securities laws.
 
                                     II-1
<PAGE>

 
ITEM 16. EXHIBITS.
 
  Exhibits:
 
<TABLE>   
<CAPTION>
 EXHIBIT
 NUMBER                              DESCRIPTION
 -------                             -----------
 <C>     <S>
  1.1    Form of Underwriting Agreement.
  5.1    Opinion of Bingham, Dana & Gould LLP, counsel to the Registrant,
         regarding the legality of the shares of Common Stock offered by the
         Prospectus.
 10.20   OEM Purchase and Technology License Agreement, dated February 19,
         1997, with Guzik Technical Enterprises, Inc.
 23.1    Consent of Ernst & Young LLP, Independent Auditors.*
 23.2    Consent of Bingham, Dana & Gould LLP (included in Exhibit 5.1).
 23.3    Consent of Curtis, Morris & Safford.
 23.4    Consent of Prime Data, Inc.
 24      Power of Attorney.*
</TABLE>    
- --------
          
* Previously filed as an Exhibit to this Registration Statement on Form S-3
(Registration No. 333-22117).     
 
ITEM 17. UNDERTAKINGS.
 
  (A) The undersigned Registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act, each filing of the
Registrant's annual report pursuant to Section 13(a) or Section 15(d) of the
Exchange Act (and, where applicable, each filing of an employee benefit plan's
annual report pursuant to Section 15(d) of the Exchange Act) that is
incorporated by reference in the Registration Statement shall be deemed to be
a new Registration Statement relating to the securities offered therein, and
the offering of such securities at that time shall be deemed to be the initial
bona fide offering thereof.
 
  (B) The undersigned Registrant hereby undertakes to deliver or cause to be
delivered with the Prospectus, to each person to whom the Prospectus is sent
or given, the latest annual report to security holders that is incorporated by
reference in the Prospectus and furnished pursuant to and meeting the
requirements of Rule 14a-3 or Rule 14c-3 under the Exchange Act; and, where
interim financial information required to be presented by Article 3 of
Regulation S-X is not set forth in the Prospectus, to deliver, or cause to be
delivered to each person to whom the Prospectus is sent or given, the latest
quarterly report that is specifically incorporated by reference in the
Prospectus to provide such interim financial information.
 
  (C) Insofar as indemnification for liabilities arising under the Securities
Act may be permitted to directors, officers and controlling persons of the
Registrant pursuant to the foregoing provisions, or otherwise, the Registrant
has been advised that in the opinion of the Securities and Exchange Commission
such indemnification is against public policy as expressed in the Securities
Act and is, therefore, unenforceable. In the event that a claim for
indemnification against such liabilities (other than the payment by the
Registrant of expenses incurred or paid by a director, officer or controlling
person of the Registrant in the successful defense of any action, suit or
proceeding) is asserted by such director, officer or controlling person in
connection with the securities being registered, the Registrant will, unless
in the opinion of its counsel the matter has been settled by controlling
precedent, submit to a court of appropriate jurisdiction the question whether
such indemnification by it is against public policy as expressed in the
Securities Act and will be governed by the final adjudication of such issue.
 
  (D) The undersigned Registrant hereby undertakes that:
 
    (1) For purposes of determining any liability under the Securities Act,
  the information omitted from the form of Prospectus filed as part of this
  Registration Statement in reliance upon Rule 430A and contained in a form
  of Prospectus filed by the Registrant pursuant to Rule 424(b)(1) or (4) or
  497(h) under the Securities Act shall be deemed to be part of this
  Registration Statement as of the time it was declared effective.
 
    (2) For the purpose of determining any liability under the Securities
  Act, each post-effective amendment that contains a form of Prospectus shall
  be deemed to be a new Registration Statement relating to the securities
  offered therein, and the offering of such securities at that time shall be
  deemed to be the initial bona fide offering thereof.
 
                                     II- 2
<PAGE>
 
                                   SIGNATURES
   
  PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, THE REGISTRANT
CERTIFIES THAT IT HAS REASONABLE GROUNDS TO BELIEVE THAT IT MEETS ALL OF THE
REQUIREMENTS FOR FILING ON FORM S-3 AND HAS DULY CAUSED THIS PRE-EFFECTIVE
AMENDMENT NO. 2 TO REGISTRATION STATEMENT TO BE SIGNED ON ITS BEHALF BY THE
UNDERSIGNED, THEREUNTO DULY AUTHORIZED, IN THE VILLAGE OF CHESTNUT RIDGE, STATE
OF NEW YORK, ON MARCH 21, 1997.     
 
                                         LeCroy Corporation
 
                                                   /s/ Lutz P. Henckels
                                         By:___________________________________
                                              LUTZ P. HENCKELS PRESIDENT AND
                                                 CHIEF EXECUTIVE OFFICER
   
  Pursuant to the requirements of the Securities Act of 1933, this Pre-
Effective Amendment No. 2 to Registration Statement on Form S-3 has been signed
in the capacities and on the dates indicated.     
 
             SIGNATURE                   CAPACITY(-IES)            DATE
 
     /s/ Walter O. LeCroy, Jr.        Chairman of the            
- ------------------------------------   Board of Directors     March 21, 1997
       WALTER O. LECROY, JR.           and Director                    

        /s/ Lutz P. Henckels          President, Chief           
- ------------------------------------   Executive Officer      March 21, 1997
          LUTZ P. HENCKELS             and Director                    
 
          /s/ John C. Maag            Vice President--           
- ------------------------------------   Finance, Chief         March 21, 1997
            JOHN C. MAAG               Financial Officer,              
                                       Secretary and
                                       Treasurer
                                       (Principal
                                       Financial and
                                       Accounting
                                       Officer)
 
                 *                    Director                   
- ------------------------------------                          March 21, 1997
         ROBERT E. ANDERSON                                            
 
                 *                    Director                   
- ------------------------------------                          March 21, 1997
        DOUGLAS A. KINGSLEY                                            
 
                 *                    Director                   
- ------------------------------------                          March 21, 1997
        WILLIAM G. SCHEERER                                            
 
         /s/ Lutz P. Henckels
*By ________________________________
 
                                      II-3
<PAGE>
 
                                  
                               EXHIBIT INDEX     
 
<TABLE>   
<CAPTION>
 <C>   <S>
  1.1  Form of Underwriting Agreement.
  5.1  Opinion of Bingham, Dana & Gould LLP, counsel to the Registrant,
       regarding the legality of the shares of Common Stock offered by the
       Prospectus.
 10.20 OEM Purchase and Technology License Agreement, dated February 19, 1997,
       with Guzik Technical Enterprises, Inc.
 23.1  Consent of Ernst & Young LLP, Independent Auditors.*
 23.2  Consent of Bingham, Dana & Gould LLP (included in Exhibit 5.1).
 23.3  Consent of Curtis, Morris & Safford.
 23.4  Consent of Prime Data, Inc.
 24    Power of Attorney.*
</TABLE>    
- --------
   
* Previously filed as an Exhibit to this Registration Statement on Form S-3
  (Registration No. 333-221177).     

<PAGE>
                                                               Draft
                                                               March 21, 1997


                              LeCROY CORPORATION

                              2,000,000 Shares*

                                 Common Stock


                            UNDERWRITING AGREEMENT
                            ----------------------

                                                                  March , 1997

PRUDENTIAL SECURITIES INCORPORATED
COWEN & COMPANY
SALOMON BROTHERS INC
NEEDHAM & COMPANY, INC.
  As Representatives of the several Underwriters
c/o Prudential Securities Incorporated
One New York Plaza
New York, New York  10292

Ladies and Gentlemen:

          LeCroy Corporation, a Delaware corporation (the "Company"), and the
stockholders of the Company named in Schedule 2 hereto (the "Selling
Stockholders") hereby confirm their respective agreements with the several
underwriters named in Schedule 1 hereto (the "Underwriters"), for whom you have
been duly authorized to act as representatives (in such capacities, the
"Representatives"), as set forth below.  If you are the only Underwriters, all
references herein to the Representatives shall be deemed to be to the
Underwriters.

          1.  Securities.  Subject to the terms and conditions herein contained,
              ----------                                                        
the Company proposes to issue and sell to the several Underwriters an aggregate
of 658,838 shares (the "Company's Firm Securities") of the Company's Common
Stock, par value $0.01 per share 

- --------------------
 /*/  Plus an option to purchase from the Company up to an aggregate of 300,000
      additional shares to cover over-allotments.
<PAGE>
 
("Common Stock"), and the Selling Stockholders severally (and not jointly)
propose to sell to the several Underwriters an aggregate of 1,341,162 shares of
Common Stock (the "Selling Stockholders' Firm Securities") as indicated on
Schedule 2 hereto. Collectively, the Company's Firm Securities and the Selling
Stockholders' Firm Securities are hereinafter referred to as the "Firm
Securities." In addition, the Company proposes to sell to the several
Underwriters not more than 300,000 shares of Common Stock, if requested by the
Representatives as provided in Section 3(b) of this Agreement. Any and all
shares of Common Stock to be purchased by the Underwriters from the Company
pursuant to such option are referred to herein as the "Option Securities," and
the Firm Securities and any Option Securities are collectively referred to
herein as the "Securities."

          2.  Representations and Warranties.
              ------------------------------ 

          (a)  The Company hereby represents and warrants to, and agrees with,
each of the several Underwriters that:

            (i) The Company meets the requirements for use of Form S-3 under the
          Securities Act of 1933, as amended (the "Act").  A registration
          statement on Form S-3 (File No. 333-22117) with respect to the
          Securities, including a prospectus subject to completion, has been
          filed by the Company with the Securities and Exchange Commission (the
          "Commission") under the Securities Act of 1933, as amended (the
          "Act"), and one or more amendments to such registration statement may
          have been so filed.  After the execution of this Agreement, the
          Company will file with the Commission either (A) if such registration
          statement, as it may have been amended, has been declared by the
          Commission to be effective under the Act, either (1) if the Company
          relies on Rule 434 under the Act, a Term Sheet (as hereinafter
          defined) relating to the Securities, that shall identify the
          Preliminary Prospectus (as hereinafter defined) that it supplements
          and, if required to be filed pursuant to Rules 434(c)(2) and 424(b),
          an Integrated Prospectus (as hereinafter defined), in either case
          containing such information as is required or permitted by Rules 434,
          430A and 424(b) under the Act or (2) if the Company does not rely on
          Rule 434 under the Act, a prospectus in the form most recently
          included in an amendment to such registration statement (or, if no
          such amendment shall have been filed, in such registration statement),
          with such changes or insertions as are required by Rule 430A under the
          Act or permitted by Rule 424(b) under the Act, and in the case of
          either clause (i)(A)(1) or (i)(A)(2) of this sentence, as have been
          furnished to and approved by the Representatives prior to the
          execution of this Agreement, or (B) if such registration statement, as
          it may have been amended, has not been declared by the Commission to
          be effective under the Act, an amendment to such registration
          statement, including a form of prospectus, a copy of which amendment
          has been furnished to and approved by the Representatives prior to the
          execution of this Agreement. The Company may also file a related
          registration statement with the Commission pursuant to Rule 462(b)
          under the Act for the purpose of registering certain additional
          Securities, which registration statement shall be effective upon

                                       2
<PAGE>
 
          filing with the Commission.  As used in this Agreement, the term
          "Original Registration Statement" means the registration statement
          initially filed relating to the Securities, as amended at the time
          when it was or is declared effective, including (A) all financial
          schedules and exhibits thereto, (B) all documents incorporated by
          reference therein filed under the Securities Exchange Act of 1934, as
          amended (the "Exchange Act"), and (C) any information omitted
          therefrom pursuant to Rule 430A under the Act and included in the
          Prospectus (as hereinafter defined) or, if required to be filed
          pursuant to Rules 434(c)(2) and 424(b), in the Integrated Prospectus;
          the term "Rule 462(b) Registration Statement" means any registration
          statement filed with the Commission pursuant to Rule 462(b) under the
          Act (including the Registration Statement and any Preliminary
          Prospectus or Prospectus incorporated therein at the time such
          Registration Statement becomes effective); the term "Registration
          Statement" includes both the Original Registration Statement and any
          Rule 462(b) Registration Statement; the term "Preliminary Prospectus"
          means each prospectus subject to completion filed with such
          registration statement or any amendment thereto (including the
          prospectus subject to completion, if any, included in the Registration
          Statement or any amendment thereto at the time it was or is declared
          effective), including all documents  incorporated by reference therein
          filed under the Exchange Act; the term "Prospectus" means: (A) if the
          Company relies on Rule 434 under the Act, the Term Sheet relating to
          the Securities that is first filed pursuant to Rule 424(b)(7) under
          the Act, together with the Preliminary Prospectus identified therein
          that such Term Sheet supplements; (B) if the Company does not rely on
          Rule 434 under the Act, the prospectus first filed with the Commission
          pursuant to Rule 424(b) under the Act; or (C) if the Company does not
          rely on Rule 434 under the Act and if no prospectus is required to be
          filed pursuant to Rule 424(b) under the Act, the prospectus included
          in the Registration Statement, including, in the case of the
          immediately preceding clauses (A), (B) or (C), all documents
          incorporated by reference therein filed under the Exchange Act; the
          term "Integrated Prospectus" means a prospectus first filed with the
          Commission pursuant to Rules 434(c)(2) and 424(b) under the Act; and
          the term "Term Sheet" means any term sheet that satisfies the
          requirements of Rule 434 under the Act.  Any reference in this
          Agreement to an "amendment or supplement" to any Preliminary
          Prospectus, Prospectus or any Integrated Prospectus or an "amendment"
          to any registration statement (including the Registration Statement)
          shall be deemed to include any document incorporated by reference
          therein that is filed with the Commission under the Exchange Act after
          the date of such Preliminary Prospectus, Prospectus, Integrated
          Prospectus or registration statement, as the case may be; any
          reference herein to the "date" of a Prospectus that includes a Term
          Sheet shall mean the date of such Term Sheet. For purposes of the
          preceding sentence, any reference to the "effective date" of an
          amendment to a registration statement shall, if such amendment is
          effected by means of the filing with the Commission under the Exchange
          Act of a document incorporated by

                                       3
<PAGE>
 
          reference in such registration statement, be deemed to refer to the
          date on which such document was so filed with the Commission.

            (ii) The Commission has not issued any order preventing or
          suspending the use of any Preliminary Prospectus. When any Preliminary
          Prospectus and any amendment of supplement thereto was filed with the
          Commission it (A) contained all statements required to be stated
          therein in accordance with, and complied in all material respects with
          the requirements of, the Act, the Exchange Act and the respective
          rules and regulations of the Commission thereunder and (B) did not
          include any untrue statement of a material fact or omit to state any
          material fact necessary in order to make the statements therein, in
          the light of the circumstances under which they were made, not
          misleading. When the Registration Statement or any amendment thereto
          was or is declared effective, it (A) contained or will contain all
          statements required to be stated therein in accordance with, and
          complied or will comply in all material respects with the requirements
          of, the Act, the Exchange Act and the respective rules and regulations
          of the Commission thereunder and (B) did not or will not include any
          untrue statement of a material fact or omit to state any material fact
          necessary to make the statements therein not misleading. When the
          Prospectus or any Term Sheet that is a part thereof or any Integrated
          Prospectus or any amendment or supplement to the Prospectus is filed
          with the Commission pursuant to Rule 424(b) (or, if the Prospectus or
          part thereof or such amendment or supplement is not required to be so
          filed, when the Registration Statement or the amendment thereto
          containing such amendment or supplement to the Prospectus was or is
          declared effective), on the date when the Prospectus is otherwise
          amended or supplemented and on the Firm Closing Date and any Option
          Closing Date (both as hereinafter defined), each of the Prospectus
          and, if required to be filed pursuant to Rules 434(c)(2) and 424(b)
          under the Act, the Integrated Prospectus, as amended or supplemented
          at any such time, (A) contained or will contain all statements
          required to be stated therein in accordance with, and complied or will
          comply in all material respects with the requirements of, the Act, the
          Exchange Act and the respective rules and regulations of the
          Commission thereunder and (B) did not or will not include any untrue
          statement of a material fact or omit to state any material fact
          necessary in order to make the statements therein, in the light of the
          circumstances under which they were made, not misleading. The
          foregoing provisions of this paragraph (ii) do not apply to statements
          or omissions made in any Preliminary Prospectus or any amendment or
          supplement thereto, the Registration Statement or any amendment
          thereto, the Prospectus or any amendment or supplement thereto or, if
          required to be filed pursuant to Rules 434(c)(2) and 424(b) under the
          Act, the Integrated Prospectus or any amendment or supplement thereto
          in reliance upon and in conformity with written information furnished
          to the Company by any Underwriter through the Representatives
          specifically for use therein. If the Company has elected to rely on
          Rule 462(b) and the Rule 462(b) Registration Statement has not been
          declared effective (i) the Company has filed a Rule 462(b)
          Registration Statement in 

                                       4
<PAGE>
 
          compliance with and that is effective upon filing pursuant to Rule
          462(b) and has received confirmation of its receipt and (ii) the
          Company has given irrevocable instructions for transmission of the
          applicable filing fee in connection with the filing of the Rule 462(b)
          Registration Statement, in compliance with Rule 111 promulgated under
          the Act or the Commission has received payment of such filing fee.

              (iii) The Company and each of its subsidiaries have been duly
          organized and are validly existing as corporations in good standing
          under the laws of their respective jurisdictions of incorporation and
          are duly qualified to transact business as foreign corporations and
          are in good standing under the laws of all other jurisdictions where
          the ownership or leasing of their respective properties or the conduct
          of their respective businesses requires such qualification, except
          where the failure to be so qualified does not amount to a material
          liability or disability to the Company and its subsidiaries, taken as
          a whole.

              (iv)  The Company and each of its subsidiaries have full power
          (corporate and other) to own or lease their respective properties and
          conduct their respective businesses as described in the Registration
          Statement and each of the Prospectus and any Integrated Prospectus or,
          if the Prospectus and any required Integrated Prospectus are not in
          existence, the most recent Preliminary Prospectus; and the Company has
          full power (corporate and other) to enter into this Agreement and to
          carry out all the terms and provisions hereof to be carried out by it.

              (v)  The issued shares of capital stock of each of the Company's
          subsidiaries have been duly authorized and validly issued, are fully
          paid and nonassessable and, except for directors' qualifying shares
          and as otherwise set forth in each of the Prospectus and any
          Integrated Prospectus or, if the Prospectus and any required
          Integrated Prospectus are not in existence, the most recent
          Preliminary Prospectus, are owned beneficially by the Company free and
          clear of any security interests, liens, encumbrances, equities or
          claims.

              (vi)  The Company has an authorized, issued and outstanding
          capitalization as set forth in each of the Prospectus and any
          Integrated Prospectus or, if the Prospectus and any required
          Integrated Prospectus are not in existence, the most recent
          Preliminary Prospectus and, at the Firm Closing Date, will have a
          capitalization as set forth in the "As Adjusted" column under the
          heading "Capitalization" in each of the Prospectus and any Integrated
          Prospectus or, if the Prospectus and any required Integrated
          Prospectus are not in existence, the most recent Preliminary
          Prospectus.  All of the issued shares of capital stock of the Company
          have been duly authorized and validly issued and are fully paid and
          nonassessable.  The Firm Securities and the Option Securities have
          been duly authorized and at the Firm Closing Date or the related
          Option Closing Date, as the case may be, after payment therefor in
          accordance herewith, will be validly issued, 

                                       5
<PAGE>
 
          fully paid and nonassessable. No holder of outstanding shares of
          capital stock of the Company is entitled as such to any preemptive or
          other rights to subscribe for any of the Securities, and no holder of
          securities of the Company has any right which has not been fully
          exercised or waived to require the Company to register the offer or
          sale of any securities owned by such holder under the Act in the
          public offering contemplated by this Agreement.

              (vii) The capital stock of the Company conforms to the description
          thereof contained in each of the Prospectus and any Integrated
          Prospectus or, if the Prospectus and any required Integrated
          Prospectus are not in existence, the most recent Preliminary
          Prospectus .

              (viii) Except as disclosed in each of the Prospectus and any
          Integrated Prospectus or, if the Prospectus and any required
          Integrated Prospectus are not in existence, the most recent
          Preliminary Prospectus, as of the date hereof there are no outstanding
          (A) securities or obligations of the Company or any of its
          subsidiaries convertible into or exchangeable for any capital stock of
          the Company or any such subsidiary, (B) warrants, rights or options to
          subscribe for or purchase from the Company or any such subsidiary any
          such capital stock or any such convertible or exchangeable securities
          or obligations, or (C) obligations of the Company or any such
          subsidiary to issue any shares of capital stock, any such convertible
          or exchangeable securities or obligations, or any such warrants,
          rights or options.

              (ix) The consolidated financial statements and schedules of the
          Company and its consolidated subsidiaries included in the Registration
          Statement and each of the Prospectus and any Integrated Prospectus or,
          if the Prospectus and any required Integrated Prospectus are not in
          existence, the most recent Preliminary Prospectus, fairly present the
          financial position of the Company and its consolidated subsidiaries
          and the results of operations and changes in financial condition as of
          the dates and periods therein specified.  Such financial statements
          and schedules have been prepared in accordance with generally accepted
          accounting principles consistently applied throughout the periods
          involved (except as otherwise noted therein).  The selected financial
          data set forth under the caption "Selected Consolidated Financial
          Data" in each of the Prospectus and any Integrated Prospectus or, if
          the Prospectus and any required Integrated Prospectus are not in
          existence, the most recent Preliminary Prospectus fairly present, on
          the basis stated in such document, the information included therein.

              (x) Ernst & Young LLP, who have certified certain financial
          statements of the Company and its consolidated subsidiaries and
          delivered their report with respect to the audited consolidated
          financial statements and schedules included in the Registration
          Statement and each of the Prospectus and any Integrated Prospectus or,
          if the Prospectus and any required Integrated Prospectus are not in
          existence, the most recent Preliminary Prospectus, are independent
          public 

                                       6
<PAGE>
 
          accountants as required by the Act, the Exchange Act and the related
          published rules and regulations thereunder.

              (xi) The execution and delivery of this Agreement have been duly
          authorized by the Company and this Agreement has been duly executed
          and delivered by the Company, and is the valid and binding agreement
          of the Company, enforceable against the Company in accordance with its
          terms, subject to applicable bankruptcy, insolvency and similar laws
          affecting creditors' rights generally, and subject, as to
          enforceability, to general principles of equity (regardless of whether
          enforcement is sought in a proceeding in equity or at law).

              (xii) No legal or governmental proceedings are pending to which
          the Company or any of its subsidiaries is a party or to which the
          property of the Company or any of its subsidiaries is subject that are
          required to be described in the Registration Statement, the Prospectus
          or any required Integrated Prospectus and are not described therein
          (or, if the Prospectus and any required Integrated Prospectus are not
          in existence, the most recent Preliminary Prospectus), and, to the
          best of the Company's knowledge, no such proceedings have been
          threatened against the Company or any of its subsidiaries or with
          respect to any of their respective properties; and no contract or
          other document is required to be described in the Registration
          Statement, the Prospectus or any required Integrated Prospectus or to
          be filed as an exhibit to the Registration Statement that is not
          described therein (or, if the Prospectus and any required Integrated
          Prospectus are not in existence, in the most recent Preliminary
          Prospectus) or filed as required.

            (xiii) The issuance, offering and sale of the Securities to the
          Underwriters by the Company pursuant to this Agreement, the compliance
          by the Company with the other provisions of this Agreement and the
          consummation of the other transactions herein contemplated do not (A)
          require the consent, approval, authorization, registration or
          qualification of or with any governmental authority, except such as
          have been obtained, such as may be required under state securities or
          blue sky laws and, if the registration statement filed with respect to
          the Securities (as amended) is not effective under the Act as of the
          time of execution hereof, such as may be required (and shall be
          obtained as provided in this Agreement) under the Act, or (B) conflict
          with or result in a breach or violation of any of the terms and
          provisions of, or constitute a default under, any indenture, mortgage,
          deed of trust, lease or other agreement or instrument to which the
          Company or any of its subsidiaries is a party or by which the Company
          or any of its subsidiaries or any of their respective properties are
          bound, or the charter documents or by-laws of the Company or any of
          its subsidiaries, or any statute or any judgment, decree, order, rule
          or regulation of any court or other governmental authority or any
          arbitrator applicable to the Company or any of its subsidiaries.

                                       7
<PAGE>
 
              (xiv) The Company has not, directly or indirectly, (A) taken any
          action designed to cause or to result in, or that has constituted or
          which might reasonably be expected to constitute, the stabilization or
          manipulation of the price of any security of the Company to facilitate
          the sale or resale of the Securities or (B) since the filing of the
          Registration Statement (1) sold, bid for, purchased, or paid anyone
          any compensation for soliciting purchases of, the Securities or (2)
          paid or agreed to pay to any person any compensation for soliciting
          another to purchase any other securities of the Company (except for
          the sale of Securities under this Agreement).

              (xv) Subsequent to the respective dates as of which information is
          given in the Registration Statement and each of the Prospectus and any
          Integrated Prospectus or, if the Prospectus and any required
          Integrated Prospectus are not in existence, the most recent
          Preliminary Prospectus, (A) the Company and its subsidiaries have not
          incurred any material liability or obligation, direct or contingent,
          nor entered into any material transaction, in each case other than in
          the ordinary course of business; (B) except as you have been advised
          in writing, the Company has not purchased any of its outstanding
          capital stock, nor declared, paid or otherwise made any dividend or
          distribution of any kind on its capital stock; and (C) there has not
          been any material change in the capital stock, short-term debt or
          long-term debt of the Company and its consolidated subsidiaries,
          except in each case as described in or contemplated by each of the
          Prospectus and any Integrated Prospectus or, if the Prospectus and any
          required Integrated Prospectus are not in existence, the most recent
          Preliminary Prospectus.

              (xvi) The Company and each of its subsidiaries have good and
          marketable title in fee simple to all items of real property and
          marketable title to all personal property owned by each of them, in
          each case free and clear of any security interests, liens,
          encumbrances, equities, claims and other defects, except such as do
          not materially and adversely affect the value of such property and do
          not interfere with the use made or proposed to be made of such
          property by the Company or such subsidiary, and any real property and
          buildings held under lease by the Company or any such subsidiary are
          held under valid, subsisting and enforceable leases, with such
          exceptions as are not material and do not interfere with the use made
          or proposed to be made of such property and buildings by the Company
          or such subsidiary, in each case except as described in or
          contemplated by each of the Prospectus and any Integrated Prospectus
          or, if the Prospectus and any required Integrated Prospectus are not
          in existence, the most recent Preliminary Prospectus.

              (xvii) No labor dispute with the employees of the Company or any
          of its subsidiaries exists or, to the best of the Company's knowledge,
          is threatened or imminent that could result in a material adverse
          change in the condition (financial or otherwise), business prospects,
          net worth or results of operations of the Company and its
          subsidiaries, except as described in or contemplated by each of the
          Prospectus and any Integrated Prospectus or, if the Prospectus and any

                                       8
<PAGE>
 
          required Integrated Prospectus are not in existence, the most recent
          Preliminary Prospectus.

              (xviii) The Company and its subsidiaries own, possess or have the
          right to use, or can acquire on reasonable terms, all material
          patents, patent applications, trademarks, service marks, trade names,
          licenses, copyrights and proprietary or other confidential information
          currently employed by them in connection with their respective
          businesses, and neither the Company nor any such subsidiary has
          received any notice of infringement of or conflict with asserted
          rights of any third party with respect to any of the foregoing which,
          singly or in the aggregate, if the subject of an unfavorable decision,
          ruling or finding, could result in a material adverse change in the
          condition (financial or otherwise), business prospects, net worth or
          results of operations of the Company and its subsidiaries, except as
          described in or contemplated by each of the Prospectus and any
          Integrated Prospectus or, if the Prospectus and any required
          Integrated Prospectus are not in existence, the most recent
          Preliminary Prospectu s.

              (xix) The Company and each of its subsidiaries are insured by
          insurers of recognized financial responsibility against such losses
          and risks and in such amounts as are prudent and customary in the
          businesses in which they are engaged; neither the Company nor any such
          subsidiary has been refused any insurance coverage sought or applied
          for; and neither the Company nor any such subsidiary has any reason to
          believe that it will not be able to renew its existing insurance
          coverage as and when such coverage expires or to obtain similar
          coverage from similar insurers as may be necessary to continue its
          business at a cost that would not materially and adversely affect the
          condition (financial or otherwise), business prospects, net worth or
          results of operations of the Company and its subsidiaries, except as
          described in or contemplated by each of the Prospectus and any
          Integrated Prospectus or, if the Prospectus and any required
          Integrated Prospectus are not in existence, the most recent
          Preliminary Prospectus.

              (xx) No subsidiary of the Company is currently prohibited,
          directly or indirectly, from paying any dividends to the Company, from
          making any other distribution on such subsidiary's capital stock, from
          repaying to the Company any loans or advances to such subsidiary from
          the Company or from transferring any of such subsidiary's property or
          assets to the Company or any other subsidiary of the Company, except
          as described in or contemplated by each of the Prospectus and any
          Integrated Prospectus or, if the Prospectus and any required
          Integrated Prospectus are not in existence, the most recent
          Preliminary Prospectus.

              (xxi) The Company and its subsidiaries possess all certificates,
          authorizations and permits issued by the appropriate federal, state or
          foreign regulatory authorities necessary to conduct their respective
          businesses, and neither the Company nor any such subsidiary has
          received any notice of proceedings relating to the revocation or
          modification of any such certificate, authorization or 

                                       9
<PAGE>
 
          permit which, singly or in the aggregate, if the subject of an
          unfavorable decision, ruling or finding, would result in a material
          adverse change in the condition (financial or otherwise), business
          prospects, net worth or results of operations of the Company and its
          subsidiaries, except as described in or contemplated by each of the
          Prospectus and any Integrated Prospectus or, if the Prospectus and any
          required Integrated Prospectus are not in existence, the most recent
          Preliminary Prospectus.

              (xxii) The Company will conduct its operations in a manner that
          will not subject it to registration as an investment company under the
          Investment Company Act of 1940, as amended, and the transactions
          contemplated hereby will not cause the Company to become an investment
          company subject to registration under such Act.

              (xxiii) The Company has filed all foreign, federal, state and
          local tax returns that are required to be filed or has requested
          extensions thereof (except in any case in which the failure so to file
          would not have a material adverse effect on the Company and its
          subsidiaries, taken as a whole) and has paid all taxes required to be
          paid by it and any other assessment, fine or penalty levied against
          it, to the extent that any of the foregoing is due and payable, except
          for any such assessment, fine or penalty that is currently being
          contested in good faith or as described in or contemplated by each of
          the Prospectus and any Integrated Prospectus or, if the Prospectus and
          any required Integrated Prospectus are not in existence, the most
          recent Preliminary Prospectus.

              (xxiv) Neither the Company nor any of its subsidiaries is in
          violation of any foreign, federal or state law or regulation relating
          to occupational safety and health or to the storage, handling or
          transportation of hazardous or toxic materials and the Company and its
          subsidiaries have received all permits, licenses or other approvals
          required of them under applicable foreign, federal and state
          occupational safety and health and environmental laws and regulations
          to conduct their respective businesses, and the Company and each such
          subsidiary is in compliance with all terms and conditions of any such
          permit, license or approval, except any such violations of law or
          regulation, failures to receive required permits, licenses or other
          approvals and/or failures to comply with the terms and conditions of
          such permits, licenses or approvals which would not, singly or in the
          aggregate, result in a material adverse change in the condition
          (financial or otherwise), business prospects, net worth or results of
          operations of the Company and its subsidiaries, taken as a whole,
          except as described in or contemplated by each of the Prospectus and
          any Integrated Prospectus or, if the Prospectus and any required
          Integrated Prospectus are not in existence, the most recent
          Preliminary Prospectus.

              (xxv) Each certificate signed by any officer of the Company and
          delivered to the Representatives or counsel for the Underwriters shall
          be deemed 

                                       10
<PAGE>
 
          to be a representation and warranty by the Company to each Underwriter
          as to the matters covered thereby.

              (xxvi) Except for the shares of capital stock of each of the
          subsidiaries owned by the Company and such subsidiaries, neither the
          Company nor any such subsidiary owns any shares of stock or any other
          equity securities of any corporation or has any equity interest in any
          firm, partnership, association or other entity, except as described in
          or contemplated by each of the Prospectus and any Integrated
          Prospectus or, if the Prospectus and any required Integrated
          Prospectus are not in existence, the most recent Preliminary
          Prospectus.

              (xxvii) The Company and each of its subsidiaries maintain a system
          of internal accounting controls sufficient to provide reasonable
          assurance that (A) transactions are executed in accordance with
          management's general or specific authorizations; (B) transactions are
          recorded as necessary to permit preparation of financial statements in
          conformity with generally accepted accounting principles and to
          maintain asset accountability; (C) access to assets is permitted only
          in accordance with management's general or specific authorization; and
          (D) the recorded accountability for assets is compared with the
          existing assets at reasonable intervals and appropriate action is
          taken with respect to any differences.

              (xxviii) No default exists, and no event has occurred which, with
          notice or lapse of time or both, would constitute a default in the due
          performance and observance of any term, covenant or condition of any
          indenture, mortgage, deed of trust, lease or other agreement or
          instrument to which the Company or any of its subsidiaries is a party
          or by which the Company or any of its subsidiaries or any of their
          respective properties is bound or may be affected in any material
          adverse respect with regard to the property, business or operations of
          the Company and its subsidiaries, taken as a whole.

              (xxix) Neither the Company nor any of its subsidiaries is in
          violation of its articles of incorporation or by-laws. Neither the
          Company nor any of its subsidiaries is in violation in any respect of
          any statute, law, governmental rule, regulation, order or decree of
          any court or governmental agency or body to which it or its property
          is subject or by which it or its property may be affected in any
          material adverse respect with regard to the property, business or
          operations of the Company and its subsidiaries, taken as a whole.

             (xxx) The Company and the Selling Stockholders have not distributed
          and, prior to the later of (A) the last Option Closing Date or, if no
          Option Securities are purchased, the Firm Closing Date and (B) the
          completion of the distribution of the Securities, will not distribute
          any offering material in connection with the offering and sale of the
          Securities other than the Registration Statement or 

                                       11
<PAGE>
 
          any amendment thereto, any Preliminary Prospectus or the Prospectus or
          any amendment or supplement thereto, or other materials, if any,
          permitted by the Act.

              (xxxi) Subsequent to the respective dates as of which information
          is given in the Registration Statement and each of the Prospectus and
          any Integrated Prospectus or, if the Prospectus and any required
          Integrated Prospectus are not in existence, the most recent
          Preliminary Prospectus, neither the Company nor any of its
          subsidiaries has sustained any material loss or interference with
          their respective businesses or properties from fire, flood, hurricane,
          accident or other calamity, whether or not covered by insurance, or
          from any labor dispute or any legal or governmental proceeding and
          there has not been any material adverse change, or any development
          involving a prospective material adverse change, in the condition
          (financial or otherwise), management, business prospects, net worth,
          or results of operations of the Company and its subsidiaries, taken as
          a whole, except in each case as described in or contemplated by each
          of the Prospectus and any Integrated Prospectus (or, if the Prospectus
          and any required Integrated Prospectus is not in existence, the most
          recent Preliminary Prospectus).

              (xxxi) LeCroy, S.A., a Swiss corporation (the "Subsidiary"), is
          the only subsidiary of the Company material to the condition
          (financial or otherwise), business prospects, net worth or results of
          operations of the Company and its subsidiaries, taken as a whole; and
          the complete loss of any or all subsidiaries of the Company other than
          the Subsidiary would not have a material adverse effect on the
          condition (financial or otherwise), business prospects, net worth or
          results of operations of the Company and its subsidiaries, taken as a
          whole.

          (b)  Each Selling Stockholder severally represents and warrants to,
and agrees with, the Company and each of the several Underwriters that:

              (ii) Such Selling Stockholder has full power to enter into this
          Agreement and to sell, assign, transfer and deliver to the
          Underwriters the Securities to be sold by such Selling Stockholder
          hereunder in accordance with the terms of this Agreement; this
          Agreement has been duly executed and delivered by such Selling
          Stockholder, and is the valid and binding agreement of such Selling
          Stockholder, subject to applicable bankruptcy, insolvency and similar
          laws affecting creditors' rights generally, and subject, as to
          enforceability, to general principles of equity (regardless of whether
          enforcement is sought in a proceeding in equity or at law); and the
          execution and delivery of this Agreement have been duly authorized by
          all necessary corporate or partnership action of such Selling
          Stockholder.

              (i) Such Selling Stockholder has duly executed and delivered a
          power of attorney and custody agreement (with respect to such Selling
          Stockholder, the "Power of Attorney" and the "Custody Agreement",
          respectively), each in the form heretofore delivered to the
          Representatives, appointing each of Lutz P.

                                       12
<PAGE>
 
          Henckels and John C. Maag, as such Selling Stockholder's attorney-in-
          fact (each, an "Attorney-in-Fact") each with authority to execute,
          deliver and perform this Agreement on behalf of such Selling
          Stockholder and appointing the Company as custodian thereunder (the
          "Custodian"). Certificates in negotiable form, endorsed in blank or
          accompanied by blank stock powers duly executed, with signatures
          appropriately guaranteed, representing the Securities to be sold by
          such Selling Stockholder hereunder have been deposited with the
          Custodian pursuant to the Custody Agreement for the purpose of
          delivery pursuant to this Agreement. Such Selling Stockholder has full
          power to enter into the Custody Agreement and the Power of Attorney
          and to perform its obligations under the Custody Agreement, and the
          execution and delivery of the Custody Agreement and the Power of
          Attorney have been duly authorized by all necessary corporate or
          partnership action of such Selling Stockholder. The Custody Agreement
          and the Power of Attorney have been duly executed and delivered by
          such Selling Stockholder and, assuming due authorization, execution
          and delivery by the Custodian, are the legal, valid, binding and
          enforceable instruments of such Selling Stockholder, subject to
          applicable bankruptcy, insolvency and similar laws affecting
          creditors' rights generally, and subject, as to enforceability, to
          general principles of equity (regardless of whether enforcement is
          sought in a proceeding in equity or at law). Such Selling Stockholder
          agrees that each of the Securities represented by the certificates
          deposited by such Selling Stockholder with the Custodian is subject to
          the interests of the Underwriters hereunder, that the arrangements
          made by such Selling Stockholder for such custody, the appointment by
          such Selling Stockholder of each Attorney-in-Fact and the right, power
          and authority of each Attorney-in-Fact to execute and deliver this
          Agreement on behalf of such Selling Stockholder, to agree on the price
          at which the Securities (including such Selling Stockholder's
          Securities) are to be sold to the Underwriters, and to carry out the
          terms of this Agreement, are to that extent irrevocable and that the
          obligations of such Selling Stockholder hereunder shall not be
          terminated, except as provided in this Agreement or the Custody
          Agreement, by any act of such Selling Stockholder, by operation of law
          or otherwise, or in the case of a corporate or partnership Selling
          Stockholder by its liquidation or dissolution or by the occurrence of
          any other event. If any such corporate or partnership Selling
          Stockholder shall liquidate or dissolve, or if any other event should
          occur, before the delivery of such Securities hereunder, the
          certificates for such Securities deposited with the Custodian shall be
          delivered by the Custodian in accordance with the respective terms and
          conditions of this Agreement as if such liquidation, dissolution or
          other event had not occurred, regardless of whether or not the
          Custodian or the Attorneys-in-Fact shall have received notice thereof.

              (iii) Such Selling Stockholder is the lawful owner of the
          Securities to be sold by such Selling Stockholder hereunder and upon
          sale and delivery of, and payment for, such Securities, as provided
          herein, such Selling Stockholder will 

                                       13
<PAGE>
 
          convey good and marketable title to such Securities, free and clear of
          any security interests, liens, encumbrances, equities, claims or other
          defects.

              (iv) Such Selling Stockholder has not, directly or indirectly, (A)
          taken any action designed to cause or result in, or that has
          constituted or which might reasonably be expected to constitute, the
          stabilization or manipulation of the price of any security of the
          Company to facilitate the sale or resale of the Securities or (B)
          since the filing of the Registration Statement (1) sold, bid for,
          purchased or paid anyone any compensation for soliciting purchases of,
          the Securities or (2) paid or agreed to pay to any person any
          compensation for soliciting another to purchase any other securities
          of the Company (except for the sale of Securities under this
          Agreement).

              (v) The sale by such Selling Stockholder of Securities pursuant
          hereto is not prompted by any adverse information concerning the
          Company that is not set forth in the Registration Statement or each of
          the Prospectus and any Integrated Prospectus or, if the Prospectus and
          any required Integrated Prospectus are not in existence, the most
          recent Preliminary Prospectus.

              (vi) The sale of the Securities to the Underwriters by such
          Selling Stockholder pursuant to this Agreement, the compliance by such
          Selling Stockholder with the other provisions of this Agreement, the
          Custody Agreement and the consummation of the other transactions
          herein contemplated do not (A) require the consent, approval,
          authorization, registration or qualification of or with any
          governmental authority, except such as have been obtained, such as may
          be required under state securities or blue sky laws and, if the
          registration statement filed with respect to the Securities (as
          amended) is not effective under the Act as of the time of execution
          hereof, such as may be required (and shall be obtained as provided in
          this Agreement) under the Act, or (B) conflict with or result in a
          breach or violation of any of the terms and provisions of, or
          constitute a default under any indenture, mortgage, deed of trust,
          lease or other agreement or instrument to which such Selling
          Stockholder (or any of its subsidiaries) is a party, or by which such
          Selling Stockholder (or any of its subsidiaries), or any of such
          Selling Stockholder's (or any of its subsidiaries') properties, are
          bound, or any statute or any judgment, decree, order, rule or
          regulation of any court or other governmental authority or any
          arbitrator applicable to such Selling Stockholder (or any of its
          subsidiaries), or its charter or partnership documents or by-laws or
          the charter or partnership documents or by-laws of any of its
          subsidiaries.

              (vii) Such Selling Stockholder has not distributed and, prior to
          the later of (A) the last Option Closing Date or, if no Option
          Securities are purchased, the Firm Closing Date and (B) the completion
          of the distribution of the Securities, will not distribute any
          offering material in connection with the offering and sale of the
          Securities other than the Registration Statement or any amendment
          thereto, any

                                       14
<PAGE>
 
          Preliminary Prospectus or the Prospectus or any amendment or
          supplement thereto, or other materials, if any, permitted by the Act.

            (viii) Such Selling Stockholder has reviewed each of the Prospectus
          and any required Integrated Prospectus or, if the Prospectus and any
          required Integrated Prospectus are not in existence, the most recent
          Preliminary Prospectus, and the Registration Statement, and the
          information regarding such Selling Stockholder set forth therein under
          the caption "Principal and Selling Stockholders" is complete and
          accurate.

            (ix)  Such Selling Stockholder does not have any right to have any
          securities registered under the Registration Statement in excess of
          the number of securities of such Selling Stockholder actually so
          registered.

            (x) Such Selling Stockholder further represents and warrants to,
          and agrees with each of the several Underwriters that (A) when the
          Registration Statement or any amendment thereto was or is declared
          effective, it did not or will not include any untrue statement of a
          material fact or omit to state any material fact necessary to make the
          statements therein not misleading, and (B) when the Prospectus, any
          Term Sheet that is a part thereof or any Integrated Prospectus or any
          amendment or supplement to the Prospectus is filed with the Commission
          pursuant to Rule 424(b) (or, if the Prospectus or part thereof or such
          amendment or supplement is not required to be so filed, when the
          Registration Statement or the amendment thereto containing such
          amendment or supplement to the Prospectus was or is declared
          effective), on the date when the Prospectus is otherwise amended or
          supplemented and on the Firm Closing Date and any Option Closing Date,
          the Prospectus and, if required to be filed pursuant to Rules
          434(c)(2) and 424(b) under the Act, the Integrated Prospectus, as
          amended or supplemented at any such time, did not or will not include
          any untrue statement of a material fact or omit to state any material
          fact necessary in order to make the statements therein, in the light
          of the circumstances under which they were made, not misleading. The
          foregoing provisions of this paragraph (x) do not apply to statements
          or omissions made in any Preliminary Prospectus or any amendment or
          supplement thereto, the Registration Statement or any amendment
          thereto, the Prospectus or any amendment or supplement thereto or, if
          required to be filed under Rules 434(c)(2) and 424(b) under the Act,
          the Integrated Prospectus or any amendment or supplement thereto in
          reliance upon and in conformity with written information furnished to
          the Company by any Underwriter through the Representatives
          specifically for use therein.

          3.  Purchase, Sale and Delivery of the Securities.
              --------------------------------------------- 

          (a)  On the basis of the representations, warranties, agreements and
covenants herein contained and subject to the terms and conditions herein set
forth, (A) the Company agrees to issue and sell to each of the Underwriters, and
each of the Underwriters, severally (and not 

                                       15
<PAGE>
 
jointly), agrees to purchase from the Company, at a purchase price of $__ per
share (the "Purchase Price"), the number of Firm Securities set forth opposite
the name of such Underwriter in column (a) of Schedule 1 hereto and (B) each of
the Selling Stockholders, severally (and not jointly), agrees to sell to the
Underwriters, the number of Firm Securities set forth opposite the name of such
Selling Stockholder on Schedule 2 hereto, and each of the Underwriters,
severally (and not jointly), agrees to purchase from such Selling Stockholders,
at the Purchase Price per share, the number of Firm Securities set forth
opposite the name of such Underwriter in column (b) of Schedule 1 hereto. One or
more certificates in definitive form for the Firm Securities that the several
Underwriters have agreed to purchase hereunder, and in such denomination or
denominations and registered in such name or names as the Representatives
request upon notice to the Company and such Selling Stockholders at least 48
hours prior to the Firm Closing Date, shall be delivered by or on behalf of the
Company and such Selling Stockholders to the Representatives for the respective
accounts of the Underwriters, against payment by or on behalf of the
Underwriters of the purchase price therefor by wire transfer in same-day funds
(the "Wired Funds") to the accounts of the Company and such Selling
Stockholders. Such delivery of and payment for the Firm Securities shall be made
at the offices of Cleary, Gottlieb, Steen & Hamilton, One Liberty Plaza, New
York, New York at 9:30 A.M., New York time, on March ___, 1997, or at such other
place, time or date as the Representatives and the Company may agree upon or as
the Representatives may determine pursuant to Section 9 hereof, such time and
date of delivery against payment being herein referred to as the "Firm Closing
Date." The Company and such Selling Stockholders will make such certificate or
certificates for the Firm Securities available for checking and packaging by the
Representatives at the offices in New York, New York of the Company's transfer
agent or registrar or of Prudential Securities Incorporated at least 24 hours
prior to the Firm Closing Date.

          (b)  For the purpose of covering any over-allotments in connection
with the distribution and sale of the Firm Securities as contemplated by the
Prospectus, the Company hereby grants to the several Underwriters an option to
purchase, severally and not jointly, the Option Securities.  The purchase price
to be paid for any Option Securities shall be the same price per share as the
Purchase Price for the Firm Securities set forth above in paragraph (a) of this
Section 3.  The option granted hereby may be exercised as to all or any part of
the Option Securities from time to time within thirty days after the date of the
Prospectus (or, if such 30th day shall be a Saturday or Sunday or a holiday, on
the next business day thereafter when the New York Stock Exchange is open for
trading).  The Underwriters shall not be under any obligation to purchase any of
the Option Securities prior to the exercise of such option.  The Representatives
may from time to time exercise the option granted hereby by giving notice in
writing or by telephone (confirmed in writing) to the Company setting forth the
aggregate number of Option Securities as to which the several Underwriters are
then exercising the option and the date and time for delivery of and payment for
such Option Securities.  Any such date of delivery shall be determined by the
Representatives but shall not be earlier than two business days or later than
five business days after such exercise of the option and, in any event, shall
not be earlier than the Firm Closing Date.  The time and date set forth in such
notice, or such other time on such other date as the Representatives and the
Company may agree upon or as the Representatives may determine pursuant to
Section 9 hereof, is herein called the "Option Closing Date" with respect to
such 

                                       16
<PAGE>
 
Option Securities.  Upon exercise of the option as provided herein, the
Company shall become obligated to sell to each of the several Underwriters, and,
subject to the terms and conditions herein set forth, each of the Underwriters
shall become obligated severally (and not jointly) to purchase from the Company,
the same percentage of the total number of the Option Securities as to which the
several Underwriters are then exercising the option as such Underwriter is
obligated to purchase of the aggregate number of Firm Securities, as adjusted by
the Representatives in such manner as they deem advisable to avoid fractional
shares.  If the option is exercised as to all or any portion of the Option
Securities, one or more certificates in definitive form for such Option
Securities, and payment therefor, shall be delivered on the related Option
Closing Date in the manner, and upon the terms and conditions, set forth in
paragraph (a) of this Section 3, except that reference therein to the Firm
Securities and the Firm Closing Date shall be deemed, for purposes of this
paragraph (b), to refer to such Option Securities and Option Closing Date,
respectively.

          (c)  The Company and the Selling Stockholders hereby acknowledge that
the wire transfer by or on behalf of the Underwriters of the purchase price for
any Securities does not constitute closing of a purchase and sale of the
Securities.  Only execution and delivery of a receipt for Securities by the
Underwriters indicates completion of the closing of a purchase of such
Securities from the Company and/or the Selling Stockholders.  Furthermore, in
the event that the Underwriters wire funds to the Company or the Selling
Stockholders prior to the completion of the closing of a purchase of Securities,
the Company and the Selling Stockholders hereby acknowledge that until the
Underwriters execute and deliver a receipt for such Securities, by facsimile or
otherwise, the Company and the Selling Stockholders will not be entitled to the
wired funds and shall return the wired funds to the Underwriters as soon as
practicable (by wire transfer of same-day funds) upon demand.  In the event that
the closing of a purchase of Securities is not completed and the wire funds are
not returned by the Company or the Selling Stockholders to the Underwriters on
the same day the wired funds were received by the Company or the Selling
Stockholders, the Company and the Selling Stockholders agree to pay to the
Underwriters in respect of each day the wire funds are not returned by it, in
same-day funds, interest on the amount of such wired funds in an amount
representing the Underwriters' cost of financing as reasonably determined by
Prudential Securities Incorporated.

          (d)  It is understood that any of you, individually and not as one of
the Representatives, may (but shall not be obligated to) make payment on behalf
of any Underwriter or Underwriters for any of the Securities to be purchased by
such Underwriter or Underwriters.  No such payment shall relieve such
Underwriter or Underwriters from any of its or their obligations hereunder.

          4.  Offering by the Underwriters.  Upon your authorization of the
              ----------------------------                                 
release of the Firm Securities, the several Underwriters propose to offer the
Firm Securities for sale to the public upon the terms set forth in the
Prospectus.

          5.  Covenants.
              --------- 

                                       17
<PAGE>
 
          (a)  The Company covenants and agrees with each of the Underwriters
that:

            (i) The Company will use its best efforts to cause the Registration
          Statement, if not effective at the time of execution of this
          Agreement, and any amendments thereto, to become effective as promptly
          as possible.  If required, the Company will file the Prospectus or any
          Term Sheet that constitutes a part thereof and any amendment or
          supplement thereto with the Commission in the manner and within the
          time period required by Rules 434 and 424(b) under the Act.  During
          any time when a prospectus relating to the Securities is required to
          be delivered under the Act, the Company (A) will comply with all
          requirements imposed upon it by the Act, the Exchange Act and the
          respective rules and regulations of the Commission thereunder to the
          extent necessary to permit the continuance of sales of or dealings in
          the Securities in accordance with the provisions hereof and of the
          Prospectus and any Integrated Prospectus, as then amended or
          supplemented, and (B) will not file with the Commission the
          prospectus, Term Sheet or the amendment referred to in the second
          sentence of Section 2(a)(i) hereof, any amendment or supplement to
          such prospectus or Term Sheet or any amendment to the Registration
          Statement or any Rule 462(b) Registration Statement of which the
          Representatives shall not previously have been advised and furnished
          with a copy for a reasonable period of time prior to the proposed
          filing and as to which filing the Representatives shall not have given
          their consent.  The Company will prepare and file with the Commission,
          in accordance with the rules and regulations of the Commission,
          promptly upon request by the Representatives or counsel for the
          Underwriters, any amendments to the Registration Statement or
          amendments or supplements to the Prospectus and any Integrated
          Prospectus that may be necessary or advisable in connection with the
          distribution of the Securities by the several Underwriters, and will
          use its best efforts to cause any such amendment to the Registration
          Statement to be declared effective by the Commission as promptly as
          possible.  The Company will advise the Representatives, promptly after
          receiving notice thereof, of the time when the Registration Statement
          or any amendment thereto has been filed or declared effective or the
          Prospectus and any Integrated Prospectus or any amendment or
          supplement thereto has been filed and will provide evidence
          satisfactory to the Representatives of each such filing or
          effectiveness.

            (ii) The Company will advise the Representatives, promptly after
          receiving notice or obtaining knowledge thereof, of (A) the issuance
          by the Commission of any stop order suspending the effectiveness of
          the Original Registration Statement or any Rule 462(b) Registration
          Statement or any amendment thereto or any order directed at any
          document incorporated by reference in the Registration Statement, the
          Prospectus or any required Integrated Prospectus or any order
          preventing or suspending the use of any Preliminary Prospectus, the
          Prospectus or any required Integrated Prospectus or any amendment or
          supplement thereto, (B) the suspension of the qualification of the

                                       18
<PAGE>
 
          Securities for offering or sale in any jurisdiction, (C) the
          institution, threatening or contemplation of any proceeding for any
          such purpose or (D) any request made by the Commission for amending
          the Original Registration Statement or any Rule 462(b) Registration
          Statement, for amending or supplementing any Preliminary Prospectuses,
          the Prospectus or any required Integrated Prospectus or for additional
          information.  The Company will use its best efforts to prevent the
          issuance of any such stop order and, if any such stop order is issued,
          to obtain the withdrawal thereof as promptly as possible.

           (iii) The Company will use its best efforts to qualify the Securities
          for offering and sale under the securities or blue sky laws of such
          jurisdictions as the Representatives may designate and to continue
          such qualifications in effect for as long as may be necessary to
          complete the distribution of the Securities, provided, however, that
                                                       --------  -------      
          in connection therewith the Company shall not be required to qualify
          as a foreign corporation or to execute a general consent to service of
          process in any jurisdiction.

           (iv) If, at any time prior to the later of (A) the final date when a
          prospectus relating to the Securities is required to be delivered
          under the Act or (B) the last Option Closing Date, any event occurs as
          a result of which the Prospectus or any required Integrated
          Prospectus, as then amended or supplemented, would include any untrue
          statement of a material fact or omit to state a material fact
          necessary in order to make the statements therein, in the light of the
          circumstances under which they were made, not misleading, or if for
          any other reason it is necessary at any time to amend or supplement
          the Prospectus or any Integrated Prospectus to comply with the Act,
          the Exchange Act or the respective rules or regulations of the
          Commission thereunder, the Company will promptly notify the
          Representatives thereof and, subject to Section 5(a)(i) hereof, will
          prepare and file with the Commission, at the Company's expense, an
          amendment to the Registration Statement or an amendment or supplement
          to the Prospectus or any required Integrated Prospectus that corrects
          such statement or omission or effects such compliance.

            (v) The Company will, without charge, provide (A) to the
          Representatives and to counsel for the Underwriters a signed copy of
          the registration statement originally filed with respect to the
          Securities and each amendment thereto (in each case including exhibits
          thereto), (B) to each other Underwriter, a conformed copy of such
          registration statement and each amendment thereto (in each case
          without exhibits thereto) and (C) so long as a prospectus relating to
          the Securities is required to be delivered under the Act, as many
          copies of each Preliminary Prospectus, the Prospectus or any
          Integrated Prospectus or any amendment or supplement thereto as the
          Representatives may reasonably request; without limiting the
          application of clause (C) of this sentence, the Company, not later
          than (1) 6:00 P.M., New York City time, on the date of determination
          of the public offering price, if such determination occurred at or

                                       19
<PAGE>
 
          prior to 12:00 Noon, New York City time, on such date or (2) 6:00
          P.M., New York City time, on the business day following the date of
          determination of the public offering price, if such determination
          occurred after 12:00 Noon, New York City time, on such date, will
          deliver to the Representatives, without charge, as many copies of the
          Prospectus and any amendment or supplement thereto as the
          Representatives may reasonably request for purposes of confirming
          orders that are expected to settle on the Firm Closing Date.

             (vi) The Company, as soon as practicable, will make generally
          available to its securityholders and to the Representatives a
          consolidated earnings statement of the Company and its subsidiaries
          that satisfies the provisions of Section 11(a) of the Act and Rule 158
          thereunder.

             (vii) The Company will apply the net proceeds from the sale of the
          Securities as set forth under "Use of Proceeds" in the Prospectus and
          any Integrated Prospectus.

             (viii) The Company will not, directly or indirectly, without the
          prior written consent of Prudential Securities Incorporated, on behalf
          of the Underwriters, offer, sell, offer to sell, contract to sell,
          pledge, grant any option to purchase or otherwise sell or dispose (or
          announce any offer, sale, offer of sale, contract of sale, pledge,
          grant of any option to purchase or other sale or disposition) of any
          shares of Common Stock or other capital stock of the Company
          substantially similar thereto or any securities convertible into, or
          exchangeable or exercisable for, or any right to purchase or acquire,
          any shares of Common Stock or other capital stock of the Company for a
          period of 90 days after the date hereof, except that during such
          period the Company may (i) issue and sell shares of Common Stock to
          the Underwriters pursuant to this Agreement, (ii) grant options and
          make restricted stock awards pursuant to the Company's stock option
          and purchase plans described in (or described in a document
          incorporated by reference in) each of the Prospectus and any
          Integrated Prospectus or, if the Prospectus and any required
          Integrated Prospectus are not in existence, the most recent
          Preliminary Prospectus, and issue and sell shares of Common Stock upon
          exercise of such options and (iii) issue and sell shares of Common
          Stock to the LeCroy Corporation Employee Stock Ownership Trust;
          provided, that with respect to any issuance, grant, award or sale
          pursuant to clause (ii) of this paragraph, the Company agrees to use
          its best efforts to obtain from the beneficial owner of such options
          or Common Stock an agreement similar in substance to the agreements
          described in Section 7(i) hereof.

             (ix) The Company will obtain the agreements described in Section
          7(i) hereof prior to the Firm Closing Date.

              (x) The Company will not, directly or indirectly, (A) take any
          action designed to cause or to result in, or that has constituted or
          which might reasonably 

                                       20
<PAGE>
 
          be expected to constitute, the stabilization or manipulation of the
          price of any security of the Company to facilitate the sale or resale
          of the Securities or (B) (1) sell, bid for, purchase, or pay anyone
          any compensation for soliciting purchases of, the Securities or (2)
          pay or agree to pay to any person any compensation for soliciting
          another to purchase any other securities of the Company (except for
          the sale of Securities under this Agreement).

              (xi) If at any time prior to the Option Closing Date, any rumor,
          publication or event relating to or affecting the Company shall occur
          as a result of which in your opinion the market price of the Common
          Stock has been or is likely to be materially affected (regardless of
          whether such rumor, publication or event necessitates a supplement to
          or amendment of the Prospectus and any Integrated Prospectus), the
          Company will, after written notice from you advising the Company to
          the effect set forth above, forthwith prepare, consult with you
          concerning the substance of, and disseminate a press release or other
          public statement, reasonably satisfactory to you, responding to or
          commenting on such rumor, publication or event.

             (xii) The Company will cause the Securities to be duly included for
          quotation on the Nasdaq Stock Market's National Market (the "Nasdaq
          National Market") prior to the Firm Closing Date.  The Company will
          use its best efforts to ensure that the Securities remain included for
          quotation on the Nasdaq National Market following the Firm Closing
          Date.

            (xiii) If the Company elects to rely on Rule 462(b), the Company
          shall both file a Rule 462(b) Registration Statement with the
          Commission in compliance with Rule 462(b) and pay the applicable fees
          in accordance with Rule 111 promulgated under the Act by the earlier
          of (i) 10:00 P.M. Eastern time on the date of this Agreement and (ii)
          the time confirmations are sent or given, as specified by Rule
          462(b)(2).

          (b)  Each of the Selling Stockholders, severally (and not jointly)
covenants and agrees with each of the Underwriters that:

              (i) Such Selling Stockholder will not, directly or indirectly,
          without the prior written consent of Prudential Securities
          Incorporated, on behalf of the Underwriters, offer, sell, offer to
          sell, contract to sell, pledge, grant any option to purchase or
          otherwise sell or dispose (or announce any offer, sale, offer of sale,
          pledge, contract of sale, grant of any option to purchase or other
          sale or disposition) of any shares of Common Stock or other capital
          stock of the Company substantially similar thereto or any securities
          convertible into, or exchangeable or exercisable for, or any right to
          purchase or acquire, any shares of Common Stock or other capital stock
          of the Company for a period of 90 days after the date hereof, except
          pursuant to this Agreement.

                                       21
<PAGE>
 
              (ii) Such Selling Stockholder will not, directly or indirectly,
          (A) take any action designed to cause or result in, or that has
          constituted or which might reasonably be expected to constitute, the
          stabilization or manipulation of the price of any security of the
          Company to facilitate the sale or resale of the Securities or (B) (1)
          sell, bid for, purchase, or pay anyone any compensation for soliciting
          purchases of, the Securities or (2) pay or agree to pay to any person
          any compensation for soliciting another to purchase any other
          securities of the Company (except for the sale of Securities under
          this Agreement).

             (iii) In order to document the Underwriters' compliance with the
          reporting and withholding provisions of the Internal Revenue Code of
          1986, as amended, with respect to the transactions herein
          contemplated, such Selling Stockholder agrees to deliver to you prior
          to or on the Firm Closing Date a properly completed and executed
          United States Treasury Department Form W-8 or W-9 (or other applicable
          form of statement specified by Treasury Department regulations in lieu
          thereof).

             (iv) As soon as such Selling Stockholder is advised thereof, such
          Selling Stockholder will advise the Representatives (and immediately
          thereafter confirm such advice in writing) (A) of receipt by such
          Selling Stockholder or by any representative or agent of such Selling
          Stockholder of any communication from the Commission relating to the
          Registration Statement, the Prospectus, any required Integrated
          Prospectus or any Preliminary Prospectus, or any notice or order of
          the Commission relating to the Company or the Selling Stockholders in
          connection with the transactions contemplated by this Agreement and
          (B) of the happening of any event which makes or may make any
          statement made in the Registration Statement, the Prospectus, any
          required Integrated Prospectus or any Preliminary Prospectus untrue or
          that requires the making of any change in the Registration Statement,
          the Prospectus, any required Integrated Prospectus or Preliminary
          Prospectus, as the case may be, in order to make such statement, in
          light of the circumstances in which it was made, not misleading.

          6.  Expenses.  The Company will pay all costs and expenses incident to
              --------                                                          
the performance of its and the Selling Stockholders' obligations under this
Agreement, whether or not the transactions contemplated herein are consummated
or this Agreement is terminated pursuant to Section 11 hereof, including all
costs and expenses incident to (i) the printing or other production of documents
with respect to the transactions, including any costs of printing or other
production of the registration statement originally filed with respect to the
Securities and any amendment thereto, any Rule 462(b) Registration Statement,
any Preliminary Prospectus, the Prospectus, any required Integrated Prospectus
and any amendment or supplement thereto, this Agreement and any blue sky
memoranda, (ii) all arrangements relating to the delivery to the Underwriters of
copies of the foregoing documents, (iii) the fees and disbursements of counsel,
the accountants and any other experts or advisors retained by the Company and of
one counsel for the Selling Stockholders, (iv) preparation, issuance and
delivery to the Underwriters of any certificates evidencing the Securities,
including transfer agent's and registrar's fees, (v) 

                                       22
<PAGE>
 
the qualification of the Securities under state securities and blue sky laws,
including filing fees and fees and disbursements of counsel for the Underwriters
relating thereto, (vi) the filing fees of the Commission and the National
Association of Securities Dealers, Inc. relating to the Securities, (vii) any
quotation of the Securities on the Nasdaq National Market, (viii) any meetings
with prospective investors in the Securities (other than as shall have been
specifically approved by the Representatives to be paid for by the Underwriters)
and (ix) advertising relating to the offering of the Securities (other than as
shall have been specifically approved by the Representatives to be paid for by
the Underwriters). If the sale of the Securities provided for herein is not
consummated because any condition to the obligations of the Underwriters set
forth in Section 7 hereof is not satisfied, because this Agreement is terminated
pursuant to Section 11 hereof or because of any failure, refusal or inability on
the part of the Company or any Selling Stockholder to perform all obligations
and satisfy all conditions to be performed or satisfied hereunder by the Company
or such Selling Stockholder other than by reason of a default by any of the
Underwriters, the Company will reimburse the Underwriters severally upon demand
for all out-of-pocket expenses (including counsel fees and disbursements) that
shall have been incurred by them in connection with the proposed purchase and
sale of the Securities. The Company shall not in any event be liable to any of
the Underwriters for the loss of anticipated profits from the transactions
covered by this Agreement.

          7.  Conditions of the Underwriters' Obligations.  The obligations of
              -------------------------------------------                     
the several Underwriters to purchase and pay for the Firm Securities shall be
subject, in the Representatives' sole discretion, to the accuracy of the
representations and warranties of the Company and the Selling Stockholders
contained herein as of the date hereof and as of the Firm Closing Date, as if
made on and as of the Firm Closing Date, to the accuracy of the statements of
the Company's officers and the Selling Stockholders made pursuant to the
provisions hereof, to the performance by the Company and the Selling
Stockholders of their respective covenants and agreements hereunder and to the
following additional conditions:

          (a)  If the Original Registration Statement or any amendment thereto
filed prior to the Firm Closing Date has not been declared effective as of the
time of execution hereof, the Original Registration Statement or such amendment
and, if the Company has elected to rely on Rule 462(b), the Rule 462(b)
Registration Statement, shall have been declared effective not later than the
earlier of (i) 11:00 A.M., New York City time, on the date on which the
amendment to the registration statement originally filed with respect to the
Securities or to the Registration Statement, as the case may be, containing
information regarding the initial public offering price of the Securities has
been filed with the Commission and (ii) the time confirmations are sent or given
as specified by Rule 462(b)(2), or with respect to the Original Registration
Statement, or such later time and date as shall have been consented to by the
Representatives; if required, the Prospectus or any Term Sheet that constitutes
a part thereof and any Integrated Prospectus and any amendment or supplement
thereto shall have been filed with the Commission in the manner and within the
time period required by Rules 434 and 424(b) under the Act; no stop order
suspending the effectiveness of the Registration Statement or any amendment
thereto and no order directed at any document incorporated by reference in the
Registration Statement, the Prospectus or any Integrated Prospectus shall have
been issued, and no proceedings for that 

                                       23
<PAGE>
 
purpose shall have been instituted or threatened or, to the knowledge of the
Company, any of the Selling Stockholders or the Representatives, shall be
contemplated by the Commission; and the Company shall have complied with any
request of the Commission for additional information (to be included in the
Registration Statement, the Prospectus, any Integrated Prospectus or otherwise).

          (b)  The Representatives shall have received an opinion, dated the
Firm Closing Date, of Bingham, Dana & Gould, counsel for the Company, to the
effect that:

            (i) the Company has been duly organized and is validly existing as a
          corporation in corporate good standing under the laws of the State of
          Delaware and is duly qualified to transact business as a foreign
          corporation and is in good standing under the laws of all other
          jurisdictions where the ownership or leasing of its properties or the
          conduct of its businesses requires such qualification, except where
          the failure to be so qualified does not amount to a material liability
          or disability to the Company and its subsidiaries, taken as a whole;

            (ii) the Company has the corporate power to own or lease its
          properties and conduct its businesses as described in the Registration
          Statement and the Prospectus, and the Company has corporate power to
          enter into this Agreement and to carry out all the terms and
          provisions hereof to be carried out by it;

            (iii) the Company has an authorized, issued and outstanding
          capitalization as set forth in the Prospectus and any Integrated
          Prospectus; all of the issued shares of capital stock of the Company
          have been duly authorized and validly issued and are fully paid and
          nonassessable and were not issued in violation of or subject to any
          preemptive rights or other rights to subscribe for or purchase
          securities; the Firm Securities have been duly authorized by all
          necessary corporate action of the Company and, when issued and
          delivered to and paid for by the Underwriters pursuant to this
          Agreement, will be validly issued, fully paid and nonassessable; no
          holders of outstanding shares of capital stock of the Company are
          entitled as such under the Certificate of Incorporation or the by-laws
          of the Company or the General Corporation Law of the State of Delaware
          or, to the best knowledge of such counsel, otherwise, to any
          preemptive or other rights to subscribe for any of the Securities;
          and, to the best knowledge of such counsel, no holders of securities
          of the Company are entitled to have such securities registered under
          the Registration Statement except such securities as are actually so
          registered;

              (iv) the statements set forth under the heading "Description of
          Capital Stock" in the Prospectus and any Integrated Prospectus,
          insofar as such statements purport to summarize certain provisions of
          the capital stock of the Company, are correct in all material
          respects, and the statements set forth under the headings "Business -
          Legal Proceedings," "Management - Stock Plans" and "Certain

                                       24
<PAGE>
 
          Transactions" in the Prospectus and any Integrated Prospectus and any
          document incorporated by reference therein, insofar as such statements
          constitute descriptions of statutes, rules or regulations, documents,
          proceedings or legal conclusions, are correct in all material
          respects;

              (v) the execution and delivery of this Agreement have been duly
          authorized by all necessary corporate action of the Company and this
          Agreement has been duly executed and delivered by the Company;

             (vi) to the best knowledge of such counsel, (A) no legal or
          governmental proceedings are pending to which the Company or the
          Subsidiary is a party or to which the property of the Company or the
          Subsidiary is subject that are required to be described in the
          Registration Statement or the Prospectus or any Integrated Prospectus
          and are not described therein, and, no such proceedings have been
          threatened in writing against the Company or the Subsidiary or with
          respect to any of their respective properties and (B) no contract or
          other document is required to be described in the Registration
          Statement or the Prospectus or any Integrated Prospectus or to be
          filed as an exhibit to the Registration Statement that is not
          described therein or filed as required;

            (vii) the issuance, offering and sale of the Securities to the
          Underwriters by the Company pursuant to this Agreement, the compliance
          by the Company with the other provisions of this Agreement  and the
          consummation of the other transactions herein contemplated do not (A)
          require the consent, approval, authorization, registration or
          qualification of or with any governmental authority, except such as
          have been obtained and such as may be required under state securities
          or blue sky laws, or (B) conflict with or result in a breach or
          violation of any of the terms and provisions of, or constitute a
          default under, any indenture, mortgage, deed of trust, lease or other
          agreement or instrument, known to such counsel, to which the Company
          or the Subsidiary is a party or by which the Company or the Subsidiary
          or any of their respective properties are bound, or the charter
          documents or by-laws of the Company, or any statute or any judgment,
          decree, order, rule or regulation of any court or other governmental
          authority or any arbitrator known to such counsel and applicable to
          the Company or the Subsidiary;

            (viii) the Registration Statement is effective under the Act; any
          required filing of the Prospectus or any Term Sheet that constitutes a
          part thereof pursuant to Rules 434 and 424(b) and any Integrated
          Prospectus has been made in the manner and within the time period
          required by Rules 434 and 424(b); and no stop order suspending the
          effectiveness of the Registration Statement or any amendment thereto
          and no order directed at any document incorporated by reference in the
          Registration Statement, the Prospectus or any Integrated Prospectus
          has been issued, and no proceedings for that purpose have been

                                       25
<PAGE>
 
          instituted or, to the best knowledge of such counsel, threatened or
          are contemplated by the Commission;

              (xi) the Registration Statement and each amendment thereto, any
          Rule 462(b) Registration Statement, the Prospectus and any Integrated
          Prospectus (in each case, other than the financial statements and
          related schedules and other financial, statistical and accounting
          information contained therein, as to which such counsel need express
          no opinion) comply as to form in all material respects with the
          applicable requirements of the Act, the Exchange Act and the
          respective rules and regulations of the Commission thereunder; and

              (x) no holder of outstanding shares of capital stock of the
          Company is entitled as such to any preemptive or other rights to
          subscribe for any of the Securities, and, to the best knowledge of
          such counsel, no holder of securities of the Company has any right
          which has not been exercised or waived to require the Company to
          register the offer or sale of any securities owned by such holder
          under the Act in the public offering contemplated by this Agreement.

          Such counsel shall also state (it being understood that such counsel
will not have independently verified the accuracy or completeness of the
information contained in the Registration Statement, the Prospectus or any
Integrated Prospectus, and except as otherwise expressly set forth in such
counsel's opinion, it is not responsible for, and need not pass upon, the
accuracy, completeness or fairness of the statements contained in the
Registration Statement, the Prospectus or any Integrated Prospectus), that they
have no reason to believe that the Registration Statement, as of its effective
date, contained any untrue statement of a material fact or omitted to state any
material fact required to be stated therein or necessary to make the statements
therein not misleading or that the Prospectus and any Integrated Prospectus, as
of its date or the date of such opinion, included or includes any untrue
statement of a material fact or omitted or omits to state a material fact
necessary in order to make the statements therein, in the light of the
circumstances under which they were made, not misleading.

          In rendering any such opinion, such counsel may rely, as to matters of
fact, to the extent such counsel deems proper, on certificates of responsible
officers of the Company and public officials and, as to matters involving the
application of laws of any jurisdiction other than The Commonwealth of
Massachusetts, the State of Delaware or the United States, to the extent such
counsel deems proper and specifies in such opinion, upon the opinion of other
counsel of good standing whom such counsel believes to be reliable and who is
satisfactory to counsel for the Underwriters.  The foregoing opinion also shall
state that such counsel believes that the Underwriters are justified in relying
upon the opinion of such other counsel, and copies of the opinion of such other
counsel shall be delivered to the Representatives and counsel for the
Underwriters.

                                       26
<PAGE>
 
          References to the Registration Statement, the Prospectus and any
Integrated Prospectus in this paragraph (b) shall include any amendment or
supplement thereto at the date of such opinion.

          (c)  The Representatives shall have received an opinion, dated the
Firm Closing Date, of ATAG Ernst & Young SA, counsel for the Subsidiary, to the
effect that:

               (i) the Subsidiary has been duly organized and is validly
          existing as corporation in good standing under the laws of Switzerland
          and is duly qualified to transact business as a foreign corporation
          and is in good standing under the laws of all other jurisdictions
          where the ownership or leasing of its properties or the conduct of its
          businesses requires such qualification, except where the failure to be
          so qualified does not amount to a material liability or disability to
          the Company and its subsidiaries, taken as a whole;

             (ii) the Subsidiary has the corporate power to own or lease its
          properties and conduct its businesses as described in the Registration
          Statement, the Prospectus and any Integrated Prospectus;

            (iii) the issued shares of capital stock of the Subsidiary have been
          duly authorized and validly issued, are fully paid and nonassessable
          and, except for directors' qualifying shares and as otherwise set
          forth in the Prospectus and any Integrated Prospectus, are owned
          beneficially by the Company free and clear of any perfected security
          interests or, to the best knowledge of such counsel, any other
          security interests, liens, encumbrances, equities or claims;

             (iv) no legal or governmental proceedings are pending to which the
          Subsidiary is a party or to which the property of the Subsidiary is
          subject that are required to be described in the Registration
          Statement or the Prospectus or any Integrated Prospectus and are not
          described therein, and, to the best knowledge of such counsel, no such
          proceedings have been threatened in writing against the Subsidiary or
          with respect to any of its properties; and

              (v) the issuance, offering and sale of the Securities to the
          Underwriters by the Company pursuant to this Agreement, the compliance
          by the Company with the other provisions of this Agreement  and the
          consummation of the other transactions herein contemplated do not
          conflict with or result in a breach or violation of any of the terms
          and provisions of, or constitute a default under, any indenture,
          mortgage, deed of trust, lease or other agreement or instrument, known
          to such counsel, to which the Subsidiary is a party or by which the
          Subsidiary or any of its properties are bound, or the charter
          documents or by-laws of the Subsidiary, or any statute or any
          judgment, decree, order, rule or regulation of any court or other
          governmental authority or any arbitrator known to such counsel and
          applicable to the Subsidiary.

                                       27
<PAGE>
 
          In rendering any such opinion, such counsel may rely, as to matters of
fact, to the extent such counsel deems proper, on certificates of responsible
officers of the Company and public officials and, as to matters involving the
application of laws of any jurisdiction other than Switzerland, to the extent
such counsel deems proper and specifies in such opinion, upon the opinion of
other counsel of good standing whom such counsel believes to be reliable and who
is satisfactory to counsel for the Underwriters.  The foregoing opinion also
shall state that such counsel believes that the Underwriters are justified in
relying upon the opinion of such other counsel, and copies of the opinion of
such other counsel shall be delivered to the Representatives and counsel for the
Underwriters.

          References to the Registration Statement, the Prospectus and any
Integrated Prospectus in this paragraph (c) shall include any amendment or
supplement thereto at the date of such opinion.

          (d)  The Representatives shall have received an opinion, dated the
Firm Closing Date, of Curtis, Morris & Safford, P.C., special patent counsel for
the Company, to the effect that:

               (i) the Company owns or possesses licenses or other rights to use
          all intellectual property described in the Registration Statement, the
          Prospectus and any Integrated Prospectus as being owned by or licensed
          to the Company or used or proposed to be used by the Company;

              (ii) to the best knowledge of such counsel after due inquiry,
          there is no pending or threatened action, suit, proceeding or claim by
          others (1) challenging the scope or validity of any patents or patent
          applications owned by the Company or claiming a proprietary interest
          in any such patents or patent applications or otherwise challenging
          any rights claimed by the Company in or to any intellectual property,
          or (2) alleging that the Company infringes or otherwise violates the
          rights of any other person in or to any intellectual property; and

             (iii) the statements set forth under the headings "Risk Factors -
          Uncertainties Regarding Patents and Protection of Proprietary
          Technology" and "Business - Intellectual Property Rights" in the
          Prospectus and any Integrated Prospectus and in any document
          incorporated by reference therein, insofar as such statements
          constitute a summary of the legal matters, documents or proceedings
          referred to therein, provide a fair summary of such legal matters,
          documents and proceedings.

          In rendering any such opinion, such counsel may rely, as to matters of
fact, to the extent such counsel deems proper, on certificates of responsible
officers of the Company and public officials and, as to matters involving the
application of laws of any jurisdiction other than the State of New York or the
United States, to the extent such counsel deems proper and specifies in such
opinion, upon the opinion of other counsel of good standing whom such counsel
believes to be reliable and who is satisfactory to counsel for the Underwriters.
The foregoing opinion also shall state that such counsel believes the
Underwriters are justified in relying upon 

                                       28
<PAGE>
 
the opinion of such other counsel, and copies of the opinion of such other
counsel shall be delivered to the Representatives and counsel for the
Underwriters.

          References to the Registration Statement, the Prospectus and any
Integrated Prospectus in this paragraph (d) shall include any amendment or
supplement thereto at the date of such opinion.

          (e)  The Representatives shall have received an opinion, dated the
Firm Closing Date, of Goodwin, Procter & Hoar, counsel for the Selling
Stockholders to the effect that:

              (i) each Selling Stockholder has full power to enter into this
          Agreement, the Custody Agreement and the Power of Attorney and to
          sell, transfer and deliver any Securities being sold by such Selling
          Stockholder hereunder in the manner provided in this Agreement and to
          perform such Selling Stockholder's obligations under the Custody
          Agreement; this Agreement, the Custody Agreement and the Power of
          Attorney have been duly executed and delivered by each Selling
          Stockholder; assuming due authorization, execution and delivery by the
          Custodian, the Custody Agreement and the Power of Attorney are the
          legal, valid, binding and enforceable instruments of each Selling
          Stockholder, subject to applicable bankruptcy, insolvency and similar
          laws affecting creditors' rights generally and subject, as to
          enforceability, to general principles of equity (regardless of whether
          enforcement is sought in a proceeding in equity or at law);

              (ii) the delivery to the several Underwriters by each Selling
          Stockholder of certificates for any Securities being sold hereunder by
          such Selling Stockholder against payment therefor as provided herein,
          will convey good and marketable title to such Securities to the
          several Underwriters, free and clear of all security interests, liens,
          encumbrances, equities, claims or other defects (assuming that the
          Underwriters purchase such securities for value and in good faith
          without notice of any adverse claim); and

            (iii) the sale of any Securities to the Underwriters by each Selling
          Stockholder pursuant to this Agreement, the compliance by such Selling
          Stockholder with the provisions of this Agreement and the Custody
          Agreement and the consummation of the other transactions herein
          contemplated do not (A) require the consent, approval, authorization,
          registration or qualification of or with any governmental authority,
          except such as have been obtained and such as may be required under
          state securities or blue sky laws, or (B) conflict with or result in a
          breach or violation of any of the terms and provisions of, or
          constitute a default under any indenture, mortgage, deed of trust,
          lease or other agreement or instrument known to such counsel to which
          such Selling Stockholder (or any of its subsidiaries) is a party, or
          by which such Selling Stockholder (or any of its subsidiaries), or any
          of such Selling Stockholder's (or any of its subsidiaries')
          properties, are bound, or any statute or any judgment, decree, order,
          rule or regulation of any court or other governmental authority or any
          arbitrator known to 

                                       29
<PAGE>
 
          such counsel and applicable to such Selling Stockholder (or any of its
          subsidiaries), or its charter or partnership documents or by-laws or
          the charter or partnership documents or by-laws of any of its
          subsidiaries.

          In rendering such opinion, such counsel may rely, as to matters of
fact, to the extent such counsel deems proper, on certificates of responsible
officers of the Company and public officials and, as to matters involving the
application of laws of any jurisdiction other than The Commonwealth of
Massachusetts, the State of Delaware or the United States, to the extent such
counsel deems proper and specifies in such opinion, upon the opinion of other
counsel of good standing whom such counsel believes to be reliable and who is
satisfactory to counsel for the Underwriters.  The foregoing opinion also shall
state that such counsel believes that the Underwriters are justified in relying
upon the opinion of such other counsel, and copies of the opinion of such other
counsel shall be delivered to the Representatives and counsel for the
Underwriters.

          References to the Registration Statement, the Prospectus and any
Integrated Prospectus in this paragraph (e) shall include any amendment or
supplement thereto at the date of such opinion.

          (f)  The Representatives shall have received an opinion, dated the
Firm Closing Date, of Cleary, Gottlieb, Steen & Hamilton, counsel for the
Underwriters, with respect to the issuance and sale of the Firm Securities, the
Registration Statement, the Prospectus and any Integrated Prospectus, and such
other related matters as the Representatives may reasonably require, and the
Company shall have furnished to such counsel all such documents as they may
reasonably request for the purpose of enabling them to pass upon such matters.

          (g)  The Representatives shall have received from Ernst & Young LLP a
letter or letters dated, respectively, the date hereof and the Firm Closing
Date, in form and substance satisfactory to the Representatives, to the effect
that:

              (i) they are independent accountants with respect to the Company
          and its consolidated subsidiaries within the meaning of the Act, the
          Exchange Act and the applicable rules and regulations thereunder;

              (ii) in their opinion, the audited consolidated financial
          statements and schedules examined by them and included or incorporated
          in the Registration Statement, the Prospectus and any Integrated
          Prospectus comply in form in all material respects with the applicable
          accounting requirements of the Act, the Exchange Act and the related
          published rules and regulations;

            (iii) on the basis of a reading of the latest available interim
          unaudited consolidated financial statements of the Company and its
          consolidated subsidiaries, carrying out certain specified procedures
          (which do not constitute an examination made in accordance with
          generally accepted auditing standards) that would not necessarily
          reveal matters of significance with respect to the comments set forth
          in 

                                       30
<PAGE>
 
          this paragraph (iii), a reading of the minute books of the
          shareholders, the board of directors and any committees thereof of the
          Company and each of its consolidated subsidiaries, and inquiries of
          certain officials of the Company and its consolidated subsidiaries who
          have responsibility for financial and accounting matters, nothing came
          to their attention that caused them to believe that:  (A)  the
          unaudited consolidated financial statements of the Company and its
          consolidated subsidiaries included or incorporated in the Registration
          Statement, the Prospectus and any Integrated Prospectus do not comply
          in form in all material respects with the applicable accounting
          requirements of the Act, the Exchange Act and the related published
          rules and regulations thereunder or are not in conformity with
          generally accepted accounting principles applied on a basis
          substantially consistent with that of the audited consolidated
          financial statements included or incorporated in the Registration
          Statement, the Prospectus and any Integrated Prospectus; and (B) at a
          specific date not more than five business days prior to the date of
          such letter, there were any changes in the capital stock or long-term
          debt of the Company and its consolidated subsidiaries or any decreases
          in net current assets or stockholders' equity of the Company and its
          consolidated subsidiaries, in each case compared with amounts shown on
          the December 31, 1996 unaudited consolidated balance sheet included in
          the Registration Statement and the Prospectus, or for the period from
          January 1, 1997 to such specified date there were any decreases, as
          compared with the corresponding period in the preceding year in
          digital oscilloscopes and related products revenues, high energy
          physics products revenues, service and other revenues, total revenues,
          income before income taxes or total or per share amounts of net income
          of the Company and its consolidated subsidiaries, except in all
          instances for changes, decreases or increases set forth in such
          letter; and

              (iv) they have carried out certain specified procedures, not
          constituting an audit, with respect to certain amounts, percentages
          and financial information that are derived from the general accounting
          records of the Company and its consolidated subsidiaries and are
          included in the Registration Statement, the Prospectus, any Integrated
          Prospectus and any document incorporated by reference in the
          Registration Statement, and have compared such amounts, percentages
          and financial information with such records of the Company and its
          consolidated subsidiaries and with information derived from such
          records and have found them to be in agreement, excluding any
          questions of legal interpretation.

          In the event that the letters referred to above set forth any such
changes, decreases or increases, it shall be a further condition to the
obligations of the Underwriters that (A) such letters shall be accompanied by a
written explanation of the Company as to the significance thereof, unless the
Representatives deem such explanation unnecessary, and (B) such changes,
decreases or increases do not, in the sole judgment of the Representatives, make
it impractical or inadvisable to proceed with the purchase and delivery of the
Securities as contemplated by the Registration Statement, as amended as of the
date hereof.

                                       31
<PAGE>
 
          References to the Registration Statement, the Prospectus and any
Integrated Prospectus in this paragraph (g) with respect to either letter
referred to above shall include any amendment or supplement thereto at the date
of such letter.

          (h)  The Representatives shall have received a certificate, dated the
Firm Closing Date, of Lutz P. Henckels, the President and Chief Executive
Officer of the Company and John C. Maag, Vice President - Finance/Chief
Financial Officer and Treasurer of the Company, to the effect that:

              (i) the representations and warranties of the Company in this
          Agreement are true and correct as if made on and as of the Firm
          Closing Date; the Registration Statement, as amended as of the Firm
          Closing Date, does not include any untrue statement of a material fact
          or omit to state any material fact necessary to make the statements
          therein not misleading, and the Prospectus and any Integrated
          Prospectus, as amended or supplemented as of the Firm Closing Date,
          does not include any untrue statement of a material fact or omit to
          state any material fact necessary in order to make the statements
          therein, in the light of the circumstances under which they were made,
          not misleading; and the Company has performed all covenants and
          agreements and satisfied all conditions on its part to be performed or
          satisfied at or prior to the Firm Closing Date;

             (ii) no stop order suspending the effectiveness of the Registration
          Statement or any amendment thereto and no order directed at any
          document incorporated by reference in the Registration Statement, the
          Prospectus or any Integrated Prospectus has been issued, and no
          proceedings for that purpose have been instituted or, to the best of
          the Company's knowledge, threatened or are contemplated by the
          Commission; and

            (iii) subsequent to the respective dates as of which information is
          given in the Registration Statement, the Prospectus and any Integrated
          Prospectus, neither the Company nor any of its subsidiaries has
          sustained any material loss or interference with their respective
          businesses or properties from fire, flood, hurricane, accident or
          other calamity, whether or not covered by insurance, or from any labor
          dispute or any legal or governmental proceeding, and there has not
          been any material adverse change, or any development involving a
          prospective material adverse change, in the condition (financial or
          otherwise), management,  business prospects, net worth or results of
          operations of the Company or any of its subsidiaries, except in each
          case as described in or contemplated by the Prospectus and any
          Integrated Prospectus.

          (i)  The Representatives shall have received from each person who is a
director or executive officer of the Company and from each holder of 5% or more
of the Company's Common Stock, an agreement to the effect that such person will
not, directly or indirectly, without the prior written consent of Prudential
Securities Incorporated, on behalf of the Underwriters, offer, sell, offer to
sell, contract to sell, pledge, grant any option to purchase or 

                                       32
<PAGE>
 
otherwise sell or dispose (or announce any offer, sale, offer of sale, contract
of sale, pledge, grant of an option to purchase or other sale or disposition) of
any shares of Common Stock or other capital stock of the Company substantially
similar thereto or any securities convertible into, or exchangeable or
exercisable for, or any right to purchase or acquire, any shares of Common Stock
or other capital stock of the Company for a period of 90 days after the date
hereof; except in each case for bona fide gifts and transfers by will or by the
laws of descent and distribution, provided that the donee, heir or legatee
agrees in writing to be bound by similar restrictions on transfer.

          (j)  The Representatives shall have received a certificate from each
Selling Stockholder, signed by such Selling Stockholder, dated the Firm Closing
Date, to the effect that:

              (i) the representations and warranties of such Selling Stockholder
          in this Agreement are true and correct as if made on and as of the
          Firm Closing Date;

             (ii) the Registration Statement, as amended as of the Firm Closing
          Date, does not include any untrue statement of a material fact or omit
          to state any material fact necessary to make the statements therein
          not misleading, and the Prospectus and any Integrated Prospectus, as
          amended or supplemented as of the Firm Closing Date, does not include
          any untrue statement of a material fact or omit to state any material
          fact necessary in order to make the statements therein, in the light
          of the circumstances under which they were made, not misleading; and

            (iii) such Selling Stockholder has performed all covenants and
          agreements on its part to be performed or satisfied on or prior to the
          Firm Closing Date.

          (k)  Prior to the commencement of the offering of the Securities, the
Securities shall have been included for trading on the Nasdaq National Market.

          (l)  On or before the Firm Closing Date, the Representatives and
counsel for the Underwriters shall have received such further certificates,
documents or other information as they may have reasonably requested from the
Company.

          All opinions, certificates, letters and documents delivered pursuant
to this Agreement will comply with the provisions hereof only if they are
reasonably satisfactory in all material respects to the Representatives and
counsel for the Underwriters.  The Company shall furnish to the Representatives
such conformed copies of such opinions, certificates, letters and documents in
such quantities as the Representatives and counsel for the Underwriters shall
reasonably request.

          The respective obligations of the several Underwriters to purchase and
pay for any Option Securities shall be subject, in their discretion, to each of
the foregoing conditions to purchase the Firm Securities, except that all
references to the Firm Securities and the Firm Closing Date shall be deemed to
refer to such Option Securities and the related Option Closing Date,
respectively.

                                       33
<PAGE>
 
          8.  Indemnification and Contribution.
              -------------------------------- 

          (a)  The Company agrees to indemnify and hold harmless each
Underwriter and each person, if any, who controls any Underwriter within the
meaning of Section 15 of the Act or Section 20 of the Exchange Act against any
losses, claims, damages or liabilities, joint or several, to which such
Underwriter or such controlling person may become subject under the Act, the
Exchange Act or otherwise, insofar as such losses, claims, damages or
liabilities (or actions in respect thereof) arise out of or are based upon:

               (i) any untrue statement or alleged untrue statement made by the
          Company in Section 2 of this Agreement,

              (ii) any untrue statement or alleged untrue statement of any
          material fact contained in (A) the Registration Statement or any
          amendment thereto or any Preliminary Prospectus, the Prospectus or any
          Integrated Prospectus or any amendment or supplement thereto or (B)
          any application or other document, or any amendment or supplement
          thereto, executed by the Company or based upon written information
          furnished by or on behalf of the Company filed in any jurisdiction in
          order to qualify the Securities under the securities or blue sky laws
          thereof or filed with the Commission or any securities association or
          securities exchange (each an "Application"),

             (iii) the omission or alleged omission to state in the Registration
          Statement or any amendment thereto, any Preliminary Prospectus, the
          Prospectus or any Integrated Prospectus or any amendment or supplement
          thereto, or any Application a material fact required to be stated
          therein or necessary to make the statements therein not misleading,

              (iv) any untrue statement or alleged untrue statement of any
          material fact contained in any audio or visual materials provided by
          the Company and used in connection with the marketing of the
          Securities, including without limitation, slides, videos, films and
          tape recordings, or

              (v) any claim that the acquisition of shares of Common Stock by
          the Company from the LeCroy Corporation Employee Stock Ownership Trust
          as described in the Registration Statement or any amendment thereto or
          any Preliminary Prospectus, the Prospectus or any Integrated
          Prospectus or any amendment or supplement thereto violates Title I of
          the Employee Retirement Income Security Act of 1974, as amended, or
          gives rise to an excise tax under Section 4975 of the Internal Revenue
          Code of 1986,

and will reimburse, as incurred, each Underwriter and each such controlling
person for any legal or other expenses reasonably incurred by such Underwriter
or such controlling person in connection with investigating, defending against
or appearing as a third-party witness in connection with any such loss, claim,
damage, liability or action; provided, however, that the 
                             --------  -------                              

                                       34
<PAGE>
 
Company will not be liable in any such case to the extent that any such loss,
claim, damage or liability arises out of or is based upon any untrue statement
or alleged untrue statement or omission or alleged omission made in such
registration statement or any amendment thereto, any Preliminary Prospectus, the
Prospectus or any Integrated Prospectus or any amendment or supplement thereto,
or any Application in reliance upon and in conformity with written information
furnished to the Company by any Underwriter through the Representatives
specifically for use therein; and provided, further, that the Company will not
                                  --------  -------
be liable to any Underwriter or any person controlling such Underwriter with
respect to any such untrue statement or omission made in any Preliminary
Prospectus that is corrected in the Prospectus (or any amendment or supplement
thereto) if the person asserting any such loss, claim, damage or liability
purchased Securities from such Underwriter but was not sent or given a copy of
the Prospectus (as amended or supplemented), other than the documents
incorporated by reference therein, at or prior to the written confirmation of
the sale of such Securities to such person in any case where such delivery of
the Prospectus (as amended or supplemented) is required by the Act, unless such
failure to deliver the prospectus (as amended or supplemented) was a result of
noncompliance by the Company with Section 5(a)(iv) or Section 5(a)(v) of this
Agreement. This indemnity agreement will be in addition to any liability which
the Company may otherwise have. The Company will not, without the prior written
consent of the Underwriter or Underwriters purchasing, in the aggregate, more
than fifty percent (50%) of the Securities, settle or compromise or consent to
the entry of any judgment in any pending or threatened claim, action, suit or
proceeding in respect of which indemnification may be sought hereunder (whether
or not any such Underwriter or any person who controls any such Underwriter
within the meaning of Section 15 of the Act or Section 20 of the Exchange Act is
a party to such claim, action, suit or proceeding), unless such settlement,
compromise or consent includes an unconditional release of all of the
Underwriters and such controlling persons from all liability arising out of such
claim, action, suit or proceeding.

          (b)  Each of the Selling Stockholders, severally, agrees to indemnify
and hold harmless the Company, each of its directors, each of its officers who
signs the Registration Statement, each Underwriter, each other Selling
Stockholder and each person who controls the Company, any Underwriter or such
other Selling Stockholder within the meaning of the Act or the Exchange Act
against any losses, claims, damages or liabilities to which the Company, any
such director, officer, such Underwriter, such other Selling Stockholder or any
such controlling person may become subject under the Act, the Exchange Act or
otherwise, insofar as such losses, claims, damages or liabilities (or actions in
respect thereof) arise out of or are based upon (i) any untrue statement or
alleged untrue statement of any material fact contained in the Registration
Statement or any amendment thereto, any Preliminary Prospectus, the Prospectus
or any Integrated Prospectus or any amendment or supplement thereto, or any
Application or (ii) the omission or the alleged omission to state therein a
material fact required to be stated in the Registration Statement or any
amendment thereto, any Preliminary Prospectus, the Prospectus or any Integrated
Prospectus or any amendment or supplement thereto, or any Application or
necessary to make the statements therein not misleading, in each case to the
extent, but only to the extent, that such untrue statement or alleged untrue
statement or omission or alleged omission was made in reliance upon and in
conformity with written information furnished to the Company by such 

                                       35
<PAGE>
 
Selling Stockholder specifically for use therein; provided, however, that such
                                                  --------  -------
Selling  Stockholder will not be liable to any Underwriter or any
person controlling such Underwriter with respect to any such untrue statement or
omission made in any Preliminary Prospectus that is corrected in the Prospectus
(or any amendment or supplement thereto) if the person asserting any such loss,
claim, damage or liability purchased Securities from such Underwriter but was
not sent or given a copy of the Prospectus (as amended or supplemented), other
than the documents incorporated by reference therein, at or prior to the written
confirmation of the sale of such Securities to such person in any case where
such delivery of the Prospectus (as amended or supplemented) is required by the
Act, unless such failure to deliver the Prospectus (as amended or supplemented)
was a result of noncompliance by the Company with Section 5(a)(iv) or Section
5(a)(v) of this Agreement; and, subject to the limitation set forth immediately
preceding this clause, will reimburse, as incurred, any legal or other expenses
reasonably incurred by the Company, any such director, officer, such
Underwriter, such other Selling Stockholder or any such controlling person in
connection with investigating or defending any such loss, claim, damage,
liability or any action in respect thereof. Notwithstanding any other provision
of this paragraph (b), no Selling Stockholder shall be liable for
indemnification hereunder in an aggregate amount exceeding the net proceeds
(before deducting expenses) received by such Selling Stockholder in respect of
the Securities sold by such Selling Stockholder to the Underwriters pursuant to
this Agreement. This indemnity agreement will be in addition to any liability
which such Selling Stockholder may otherwise have. Such Selling Stockholder will
not, without the prior written consent of the Underwriter or Underwriters
purchasing, in the aggregate, more than fifty percent (50%) of the Securities,
settle or compromise or consent to the entry of any judgment in any pending or
threatened claim, action, suit or proceeding in respect of which indemnification
may be sought hereunder (whether or not any such Underwriter or any person who
controls any such Underwriter within the meaning of Section 15 of the Act or
Section 20 of the Exchange Act is a party to such claim, action, suit or
proceeding), unless such settlement, compromise or consent includes an
unconditional release of all of the Underwriters and such controlling persons
from all liability arising out of such claim, action, suit or proceeding.

          (c)  Each Underwriter, severally and not jointly, will indemnify and
hold harmless the Company, each of its directors, each of its officers who
signed the Registration Statement, each Selling Stockholder and each person, if
any, who controls the Company or such Selling Stockholder within the meaning of
Section 15 of the Act or Section 20 of the Exchange Act against any losses,
claims, damages or liabilities to which the Company, such Selling Stockholder,
any such director or officer of the Company or any such controlling person of
the Company or such Selling Stockholder may become subject under the Act, the
Exchange Act or otherwise, insofar as such losses, claims, damages or
liabilities (or actions in respect thereof) arise out of or are based upon (i)
any untrue statement or alleged untrue statement of any material fact contained
in the Registration Statement or any amendment thereto, any Preliminary
Prospectus, the Prospectus or any Integrated Prospectus or any amendment or
supplement thereto, or any Application or (ii) the omission or the alleged
omission to state therein a material fact required to be stated in the
Registration Statement or any amendment thereto, any Preliminary Prospectus, the
Prospectus or any Integrated Prospectus or any amendment or supplement thereto,
or any Application necessary to make the statements therein not misleading, in
each case to the extent, 

                                       36
<PAGE>
 
but only to the extent, that such untrue statement or alleged untrue statement
or omission or alleged omission was made in reliance upon and in conformity with
written information furnished to the Company by any Underwriter through the
Representatives specifically for use therein; and, subject to the limitation set
forth immediately preceding this clause, will reimburse, as incurred, any legal
or other expenses reasonably incurred by the Company, any such director, officer
or controlling person or such Selling Stockholder in connection with
investigating or defending any such loss, claim, damage, liability or any action
in respect thereof. This indemnity agreement will be in addition to any
liability which such Underwriter may otherwise have.

          (d)  Promptly after receipt by an indemnified party under this Section
8 of notice of the commencement of any action, such indemnified party will, if a
claim in respect thereof is to be made against the indemnifying party under this
Section 8, notify the indemnifying party of the commencement thereof; but the
omission so to notify the indemnifying party will not relieve it from any
liability which it may have to any indemnified party otherwise than under this
Section 8.  In case any such action is brought against any indemnified party,
and it notifies the indemnifying party of the commencement thereof, the
indemnifying party will be entitled to participate therein and, to the extent
that it may wish, jointly with any other indemnifying party similarly notified,
to assume the defense thereof, with counsel satisfactory to such indemnified
party; provided, however, that if the defendants in any such action include both
       --------  -------                                                        
the indemnified party and the indemnifying party and the indemnified party shall
have reasonably concluded that there may be one or more legal defenses available
to it and/or other indemnified parties which are different from or additional to
those available to the indemnifying party, the indemnifying party shall not have
the right to direct the defense of such action on behalf of such indemnified
party or parties and such indemnified party or parties shall have the right to
select separate counsel to defend such action on behalf of such indemnified
party or parties.  After notice from the indemnifying party to such indemnified
party of its election so to assume the defense thereof and approval by such
indemnified party of counsel appointed to defend such action, the indemnifying
party will not be liable to such indemnified party under this Section 8 for any
legal or other expenses, other than reasonable costs of investigation,
subsequently incurred by such indemnified party in connection with the defense
thereof, unless (i) the indemnified party shall have employed separate counsel
in accordance with the proviso to the next preceding sentence (it being
understood, however, that in connection with such action the indemnifying party
shall not be liable for the expenses of more than one separate counsel (in
addition to local counsel) in any one action or separate but substantially
similar actions in the same jurisdiction arising out of the same general
allegations or circumstances, designated by the Representatives in the case of
paragraph (a) or (b) of this Section 8, representing the indemnified parties
under such paragraph (a) or (b) who are Underwriters or persons controlling any
Underwriter and who are parties to such action or actions) or (ii) the
indemnifying party does not promptly retain counsel satisfactory to the
indemnified party or (iii) the indemnifying party has authorized the employment
of counsel for the indemnified party at the expense of the indemnifying party.
After such notice from the indemnifying party to such indemnified party, the
indemnifying party will not be liable for the costs and expenses of any
settlement of such action effected by such indemnified party without the consent
of the indemnifying party.

                                       37
<PAGE>
 
          (e)  In circumstances in which the indemnity agreements provided for
in the preceding paragraphs of this Section 8 are unavailable or insufficient,
for any reason, to hold harmless an indemnified party in respect of any losses,
claims, damages or liabilities (or actions in respect thereof), each
indemnifying party, in order to provide for just and equitable contribution,
shall contribute to the amount paid or payable by such indemnified party as a
result of such losses, claims, damages or liabilities (or actions in respect
thereof) in such proportion as is appropriate to reflect (i) the relative
benefits received by the indemnifying party or parties on the one hand and the
indemnified party on the other from the offering of the Securities or (ii) if
the allocation provided by the foregoing clause (i) is not permitted by
applicable law, not only such relative benefits but also the relative fault of
the indemnifying party or parties on the one hand and the indemnified party on
the other in connection with the statements or omissions or alleged statements
or omissions that resulted in such losses, claims, damages or liabilities (or
actions in respect thereof), as well as any other relevant equitable
considerations.  The relative benefits received by the Company and the Selling
Stockholders on the one hand and the Underwriters on the other shall be deemed
to be in the same proportion as the total proceeds from the offering (before
deducting expenses) received by the Company and the Selling Stockholders bear to
the total underwriting discounts and commissions received by the Underwriters.
The relative fault of the parties shall be determined by reference to, among
other things, whether the untrue or alleged untrue statement of a material fact
or the omission or alleged omission to state a material fact relates to
information supplied by the Company, the Selling Stockholders or the
Underwriters, the parties' relative intents, knowledge, access to information
and opportunity to correct or prevent such statement or omission, and any other
equitable considerations appropriate in the circumstances.  The Company, the
Selling Stockholders and the Underwriters agree that it would not be equitable
if the amount of such contribution were determined by pro rata or per capita
allocation (even if the Underwriters were treated as one entity for such
purpose) or by any other method of allocation that does not take into account
the equitable considerations referred to above in this paragraph (e).
Notwithstanding any other provision of this paragraph (e), no Selling
Stockholder shall be obligated to make contributions hereunder that in the
aggregate exceed the net proceeds (before deducting expenses) received by such
Selling Stockholder in respect of the Securities sold by such Selling
Stockholder to the Underwriters pursuant to this Agreement.  Notwithstanding any
other provision of this paragraph (e), no Underwriter shall be obligated to make
contributions hereunder that in the aggregate exceed the total public offering
price of the Securities purchased by such Underwriter under this Agreement, less
the aggregate amount of any damages that such Underwriter has otherwise been
required to pay in respect of the same or any substantially similar claim, and
no person guilty of fraudulent misrepresentation (within the meaning of Section
11(f) of the Act) shall be entitled to contribution from any person who was not
guilty of such fraudulent misrepresentation.  The Underwriters' obligations to
contribute hereunder are several in proportion to their respective underwriting
obligations and not joint, and contributions among Underwriters shall be
governed by the provisions of the Prudential Securities Incorporated Master
Agreement Among Underwriters.  For purposes of this paragraph (d), each person,
if any, who controls an Underwriter within the meaning of Section 15 of the Act
or Section 20 of the Exchange Act shall have the same rights to contribution as
such Underwriter, and each director of the Company, each officer of the Company
who signed the Registration Statement and each person, if any, who controls the
Company or any Selling Stockholder within 

                                       38
<PAGE>
 
the meaning of Section 15 of the Act or Section 20 of the Exchange Act, shall
have the same rights to contribution as the Company or such Selling Stockholder,
as the case may be.

          (f)  The liability of each Selling Stockholder to the Underwriters for
the representations, warranties and agreements contained in Section 2(b)(x)
hereof, for any misstatements, omissions or inaccuracies in any statement made
pursuant to Section 7(j) hereof and under the indemnity and contribution
agreements set forth in this Section 8, shall not exceed, in the aggregate, the
net proceeds (before deducting expenses) received by such Selling Stockholder in
respect of the Securities sold by such Selling Stockholder to the Underwriters
pursuant to this Agreement.

          9.  Default of Underwriters.  If one or more Underwriters default in
              -----------------------                                         
their obligations to purchase Firm Securities or Option Securities hereunder and
the aggregate number of such Securities that such defaulting Underwriter or
Underwriters agreed but failed to purchase is ten percent or less of the
aggregate number of Firm Securities or Option Securities to be purchased by all
of the Underwriters at such time hereunder, the other Underwriters may make
arrangements satisfactory to the Representatives for the purchase of such
Securities by other persons (who may include one or more of the non-defaulting
Underwriters, including the Representatives), but if no such arrangements are
made by the Firm Closing Date or the related Option Closing Date, as the case
may be, the other Underwriters shall be obligated severally in proportion to
their respective commitments hereunder to purchase the Firm Securities or Option
Securities that such defaulting Underwriter or Underwriters agreed but failed to
purchase.  If one or more Underwriters so default with respect to an aggregate
number of Securities that is more than ten percent of the aggregate number of
Firm Securities or Option Securities, as the case may be, to be purchased by all
of the Underwriters at such time hereunder, and if arrangements satisfactory to
the Representatives are not made within 36 hours after such default for the
purchase by other persons (who may include one or more of the non-defaulting
Underwriters, including the Representatives) of the Securities with respect to
which such default occurs, this Agreement will terminate without liability on
the part of any non-defaulting Underwriter or the Company other than as provided
in Section 10 hereof.  In the event of any default by one or more Underwriters
as described in this Section 9, the Representatives shall have the right to
postpone the Firm Closing Date or the Option Closing Date, as the case may be,
established as provided in Section 3 hereof for not more than seven business
days in order that any necessary changes may be made in the arrangements or
documents for the purchase and delivery of the Firm Securities or Option
Securities, as the case may be.  As used in this Agreement, the term
"Underwriter" includes any person substituted for an Underwriter under this
Section 9.  Nothing herein shall relieve any defaulting Underwriter from
liability for its default.

          10.  Survival.  The respective representations, warranties,
               --------                                              
agreements, covenants, indemnities and other statements of the Company, its
officers, the Selling Stockholders and the several Underwriters set forth in
this Agreement or made by or on behalf of them, respectively, pursuant to this
Agreement shall remain in full force and effect, regardless of (i) any
investigation made by or on behalf of the Company, any of its officers or
directors, any Selling Stockholder, any Underwriter or any controlling person
referred to in Section 8 hereof and (ii) delivery of and payment for the
Securities.  The respective agreements, covenants, indemnities and other

                                       39
<PAGE>
 
statements set forth in Sections 6 and 8 hereof shall remain in full force and
effect, regardless of any termination or cancellation of this Agreement.

          11.  Termination.
               ----------- 

          (a)  This Agreement may be terminated with respect to the Firm
Securities or any Option Securities in the sole discretion of the
Representatives by notice to the Company and the Selling Stockholders given
prior to the Firm Closing Date or the related Option Closing Date, respectively,
in the event that the Company or any Selling Stockholder shall have failed,
refused or been unable to perform all obligations and satisfy all conditions on
its part to be performed or satisfied hereunder at or prior thereto or, if at or
prior to the Firm Closing Date or such Option Closing Date, respectively,

              (i) the Company or any of its subsidiaries shall have, in the sole
          judgment of the Representatives, sustained any material loss or
          interference with their respective businesses or properties from fire,
          flood, hurricane, accident or other calamity, whether or not covered
          by insurance, or from any labor dispute or any legal or governmental
          proceeding or there shall have been any material adverse change, or
          any development involving a prospective material adverse change
          (including without limitation a change in management or control of the
          Company), in the condition (financial or otherwise), business
          prospects, net worth or results of operations of the Company and its
          subsidiaries, except in each case as described in or contemplated by
          the Prospectus and any Integrated Prospectus (exclusive of any
          amendment or supplement thereto);

             (ii) trading in the Common Stock shall have been suspended by the
          Commission or the Nasdaq National Market or trading in securities
          generally on the New York Stock Exchange or Nasdaq National Market
          shall have been suspended or minimum or maximum prices shall have been
          established on any such exchange or market system;

             (iii) a banking moratorium shall have been declared by New York or
          United States authorities; or

              (iv) there shall have been (A) an outbreak or escalation of
          hostilities between the United States and any foreign power, (B) an
          outbreak or escalation of any other insurrection or armed conflict
          involving the United States or (C) any other calamity or crisis or
          material adverse change in general economic, political or financial
          conditions having an effect on the United States financial markets
          that, in the sole judgment of the Representatives, makes it
          impractical or inadvisable to proceed with the public offering or the
          delivery of the Securities as contemplated by the Registration
          Statement, as amended as of the date hereof.

                                       40
<PAGE>
 
          (b)  Termination of this Agreement pursuant to this Section 11 shall
be without liability of any party to any other party except as provided in
Section 10 hereof.

          12.  Information Supplied by Underwriters.  The statements set forth
               ------------------------------------                           
in the last paragraph on the front cover page, in the paragraph on the inside
front cover regarding stabilization and under the heading "Underwriting" in any
Preliminary Prospectus, the Prospectus or any Integrated Prospectus (to the
extent such statements relate to the Underwriters) constitute the only
information furnished by any Underwriter through the Representatives to the
Company for the purposes of Sections 2(a)(ii) and 8 hereof.  The Underwriters
confirm that such statements (to such extent) are correct.

          13.  Notices.  All communications hereunder shall be in writing and,
               -------                                                        
if sent to any of the Underwriters, shall be delivered or sent by mail, telex or
facsimile transmission and confirmed in writing to Prudential Securities
Incorporated, One New York Plaza, New York, New York 10292, Attention:  Equity
Transactions Group; and if sent to the Company or the Selling Stockholders,
shall be delivered or sent by mail, telex or facsimile transmission and
confirmed in writing to the Company at 700 Chestnut Ridge Road, Chestnut Ridge,
New York 10977, Attention:  President and Chief Executive Officer.

          14.  Successors.  This Agreement shall inure to the benefit of and
               ----------                                                   
shall be binding upon the several Underwriters, the Company, the several Selling
Stockholders and their respective successors and legal representatives, and
nothing expressed or mentioned in this Agreement is intended or shall be
construed to give any other person any legal or equitable right, remedy or claim
under or in respect of this Agreement, or any provisions herein contained, this
Agreement and all conditions and provisions hereof being intended to be and
being for the sole and exclusive benefit of such persons and for the benefit of
no other person except that (i) the indemnities of the Company and the Selling
Stockholders contained in Section 8 of this Agreement shall also be for the
benefit of any person who controls or persons who control any Underwriter within
the meaning of Section 15 of the Act or Section 20 of the Exchange Act and (ii)
the indemnities of the Underwriters contained in Section 8 of this Agreement
shall also be for the benefit of the directors of the Company, the officers of
the Company who have signed the Registration Statement, any person who controls
or persons who control the Company or any Selling Stockholder within the meaning
of Section 15 of the Act or Section 20 of the Exchange Act and the Selling
Stockholders.  No purchaser of Securities from any Underwriter shall be deemed a
successor because of such purchase.

          15.  Applicable Law.  The validity and interpretation of this
               --------------                                          
Agreement, and the terms and conditions set forth herein, shall be governed by
and construed in accordance with the laws of the State of New York, without
giving effect to any provisions relating to conflicts of laws.

                                       41
<PAGE>
 
          16.  Counterparts.  This Agreement may be executed in two or more
               ------------                                                
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

                                       42
<PAGE>
 
          If the foregoing correctly sets forth our understanding, please
indicate your acceptance thereof in the space provided below for that purpose,
whereupon this letter shall constitute an agreement binding the Company, each of
the Selling Stockholders and each of the several Underwriters.

                                         Very truly yours,

                                         LeCROY CORPORATION

                                         By_______________________________
                                         Name:
                                         Title:

                                         SELLING STOCKHOLDERS:

                                         ADVENT INTERNATIONAL INVESTORS II 
                                         LIMITED PARTNERSHIP

                                         By_______________________________
                                         Name:
                                         Title:


                                         GLOBAL PRIVATE EQUITY II

                                           LIMITED PARTNERSHIP

                                         By_______________________________
                                         Name:
                                         Title:

                                       43
<PAGE>
 
                                         GOLDEN GATE DEVELOPMENT AND

                                         INVESTMENT LIMITED PARTNERSHIP

                                         By_______________________________
                                         Name:
                                         Title:


                                         INNOVENT CAPITAL LIMITED

                                         By_______________________________
                                         Name:
                                         Title:

                                       44
<PAGE>
 
The foregoing Agreement is hereby

confirmed and accepted as of the
date first above written.

PRUDENTIAL SECURITIES INCORPORATED

COWEN & COMPANY
SALOMON BROTHERS INC
NEEDHAM & COMPANY, INC.

By  PRUDENTIAL SECURITIES INCORPORATED

By_______________________________
Name:  Jean Claude Canfin
Title:  Managing Director

For itself and on behalf of the Representatives.

                                       45
<PAGE>
 
                                  SCHEDULE 1

                                 UNDERWRITERS

                                                (a)                (b)
                                        Number of Firm      Number of Firm
                                        Securities to be    Securities to be
                                        Purchased from      Purchased from 
Undrwriter                              Company             Selling Stockholders
- ----------                              -----------------    ------------------
Prudential Securities Incorporated
Cowen & Company........................
Salomon Brothers Inc...................
Needham & Company, Inc.................
                                       -----------------    ------------------
                                               658,838             1,341,162
                                       =================    ==================
<PAGE>
 
                                  SCHEDULE 2

                             SELLING STOCKHOLDERS


                                                    Number of Firm
Name                                                Securities to be sold
- ----                                                ---------------------
Advent International Investors II 
 Limited Partnership.............................
Global Private Equity II Limited
 Partnership.....................................
Golden Gate Development and Investment
 Limited Partnership.............................
Innovent Capital Limited.........................
                                                    ---------------------
Total                                                           1,341,162
                                                    =====================

<PAGE>
 
                                                                     EXHIBIT 5.1

                          [BINGHAM, DANA & GOULD LLP]

                                March 21, 1997

LeCroy Corporation
700 Chestnut Ridge Road
Chestnut Ridge, NY 10977

        Re: Registration Statement on Form-S-3
        Under the Securities Act of 1933, as Amended
        --------------------------------------------

Ladies and Gentlemen:

        We have acted as counsel to LeCroy Corporation, a Delaware corporation
(the "Company"), in connection with the registration under the Securities Act of
1933, as amended (the "Act"), of 2,300,000 shares (including approximately
667,853 shares offered by the Company and approximately 1,332,147 shares offered
by certain stockholders of the Company, and also including an additional 300,000
shares that may be offered by the Company solely in order to cover over-
allotments, if any) of Common Stock $0.01 par value per share (the "Shares")
pursuant to a Registration Statement on Form S-3, File No. 333-22117 (as amended
from time to time, the "Registration Statement"), initially filed by the Company
with the Securities and Exchange Commission on February 20, 1997.

        We have reviewed the corporate proceedings taken by the Company with 
respect to the authorization of the issuance of the Shares.  We have also 
examined and relied upon originals or copies, certified or otherwise 
authenticated to our satisfaction, of such corporate records, documents, 
agreements and other instruments, and certificates of officers of the Company as
to certain factual matters, and have made such investigation of law as we have
deemed necessary or appropriate to enable us to express the opinions rendered
hereby.
<PAGE>

LeCroy Corporation
March 21, 1997
Page 2

        We have assumed the genuineness of all signatures, the conformity to the
originals of all documents reviewed by us as copies, the authenticity and
completeness of all original documents reviewed by us in original or copy form,
and the legal competence of each individual executing a document.

        We have also assumed that an Underwriting Agreement substantially in the
form of Exhibit 1.1 to the Registration Statement, by and  among the Company,
        ------- ---
certain of its stockholders named therein, and the underwriters named therein
(the "Underwriting Agreement"), will have been duly executed and delivered
pursuant to the authorizing resolutions of the Board of Directors of the Company
and that the Shares will be sold and transferred only upon the payment therefor
as provided in the Underwriting Agreement. We have further assumed that the
registration requirements of the Act and all applicable requirements of state
laws regulating the sale of securities will have been duly satisfied.

        This opinion is limited solely to the General Corporation Law of the 
State of Delaware as applied by the courts located in Delaware.

        Based upon the foregoing, we are of the opinion that the Shares to be
sold by the selling stockholders referred to above and which have previously
been issued by the Company have been validly issued and are fully paid and non-
assessable, and the Shares to be sold by such selling stockholders and which are
issuable upon exercise of certain warrants held by such selling stockholders,
when so issued, delivered and paid for in accordance with the provisions of such
warrants, and the Shares to be sold by the Company, when issued and delivered
and paid for in accordance with the provisions of the Underwriting Agreement,
will be validly issued, fully paid, and non-assessable.

        We hereby consent to the filing of this opinion as an exhibit to the 
Registration Statement and to the reference to this firm under the heading 
"Legal Matters" in the Prospectus included in the Registration Statement.

                                                Very truly yours,



                                                /s/ BINGHAM, DANA & GOULD LLP
                                                -------------------------------
                                                    BINGHAM, DANA & GOULD LLP

<PAGE>
 
                                                                   EXHIBIT 10.20


                                  OEM PURCHASE
                                      AND
                               TECHNOLOGY LICENSE
                                   AGREEMENT


     This Agreement dated as of February 19, 1997, is by and between LeCroy
Corporation ("LeCroy"), a Delaware corporation with its principal executive
offices at 700 Chestnut Ridge Road, Chestnut Ridge, New York  10977, and Guzik
Technical Enterprises ("Guzik"), a California corporation with its principal
executive offices at 4620 Fortran Drive, San Jose, California  95134.

     Certain capitalized terms used and not otherwise defined on first usage
herein are defined in Section 12 hereof.

     LeCroy and Guzik hereby agree as follows:

     1.   PURCHASE AND SALE OF LICENSED PRODUCTS.

     (A)  PURCHASE ORDERS.

     Guzik will provide LeCroy with non-binding quarterly forecasts, on a
rolling basis, of its best estimates of its purchases for Licensed Products for
the following four calendar quarters.  On a quarterly basis, Guzik will place
orders for Licensed Products for the following quarter using its standard form
of purchase order, specifying the desired delivery destination and date
(typically at least 90 days later).  LeCroy will use commercially reasonable
efforts to fill all Guzik purchase orders, including those calling for delivery
within 90 days and/or in excess of Guzik's forecasted purchases for such
quarter.  The terms and conditions of sale set forth in this Agreement will
prevail over and control any additional or different terms set forth in any
Guzik purchase order or LeCroy acceptance and/or any course of dealing or usage
of trade.

     (B)  DELIVERIES.  In addition to Licensed Products purchased by Guzik under
separate purchase orders, Guzik will purchase and LeCroy will sell Licensed
Products to Guzik as follows:

          (i)   LeCroy will deliver two Chip Sets to Guzik, without charge, on
     or before March 17, 1997. Such Chip Sets will have the appropriate physical
     configuration, but may not be functional.

          (ii)   LeCroy will deliver five prototype Chip Sets to Guzik as soon
     as is reasonably practicable following the date hereof, which delivery is
     expected to occur around April 18, 1997, but in any event will occur by
     July 10, 1997.
<PAGE>
 
                                      -2-


     Such Chip Sets will be partially tested and may not meet all of the
     Specifications.

          (iii)  LeCroy will deliver 50 fully functional production Chip Sets to
     Guzik on or before June 27, 1997.

     (C)  TESTING.  LeCroy will test production Licensed Products shipped to
Guzik using the same test procedures as LeCroy uses to test Licensed Products
used by LeCroy internally or in products sold to other customers, with such
modifications as LeCroy and Guzik may agree upon in order to meet the
requirements of Guzik's applications.

     (D)  DELIVERY DELAYS.  LeCroy will use commercially reasonable efforts to
deliver in a timely manner the Licensed Products called for by Guzik's purchase
orders.  LeCroy will give Guzik prompt notice of any anticipated delivery delays
or anticipated unavailability or shortage of Licensed Products.  In addition, in
the event that (because of inability to obtain components or other supplies from
third parties, or otherwise) LeCroy determines to discontinue production of any
Licensed Product, LeCroy will give Guzik prompt notice of such determination (as
promptly as practicable, preferably at least one year, but in any case at least
six months, before the effective date of such discontinuance), and will use
commercially reasonable efforts to fill all "stock-up" orders as Guzik may place
for such Licensed Product.  In the event of any discontinuance or other
unavailability of any Licensed Product, LeCroy will inform Guzik of any
potential substitute products available from LeCroy, and will provide
information and consulting to Guzik with respect to the use of such products on
terms to be mutually agreed upon.

     2.   GUZIK MANUFACTURING RIGHTS.  In the event that LeCroy discontinues any
Licensed Product or fails to deliver Licensed Products ordered by Guzik (and not
in excess of Guzik's forecasted purchases for the relevant quarter) within (i)
with respect to any delivery due in calendar year 1997, 120 days, or (ii) with
respect to any delivery due after calendar year 1997, 90 days, after the due
date for delivery thereof, then Guzik will thereafter have an irrevocable,
perpetual, non-royalty-bearing, non-transferable license to use and sublicense
others (subject to each such sublicensee's agreeing to be bound by the
provisions of the Confidentiality Agreement) to use the LeCroy Technology and
any Improvements, in each case to produce Licensed Products solely for such uses
for which Guzik would be entitled hereunder to use Licensed Products purchased
from LeCroy.  (Guzik understands and acknowledges that such license does not
include any license in respect of any third-party intellectual properties or
other proprietary rights, which may be required in order to produce Licensed
Products.)  Such license will be Guzik's sole remedy in respect of any failure
to deliver Licensed Products.

     During any period in which such license may be in effect, upon Guzik's
request LeCroy will provide to Guzik copies of all readily available information
in
<PAGE>
 
                                      -3-

LeCroy's possession or control that may be helpful to Guzik and/or any of its
sublicensees in understanding and practicing the LeCroy Technology and any
Improvements pursuant to such license or any sublicense thereof.  All
information so provided to Guzik or any such sublicensee will be covered by and
subject to the Confidentiality Agreement, and LeCroy will incur no liability to
Guzik or any such sublicensee or any other person by reason of its providing any
such information.

     3.  PRICING AND PAYMENT.  The prices at which LeCroy will sell Licensed
Products to Guzik will be 250% of LeCroy's cost-of-goods-sold in respect of such
products, as determined in accordance with the following sentence.  For purposes
of this Agreement, LeCroy's cost-of-goods-sold in respect of any Licensed
Product will consist of its direct materials and direct labor costs, including
112% of the costs of any direct materials and/or direct labor obtained from
third parties, but in no event including any costs of research-and-development
or other overhead costs.  Such prices are FOB origin, and are exclusive of any
applicable duties, taxes, etc. (other than any tax imposed in respect of
LeCroy's income), which will be Guzik's responsibility.  LeCroy will provide
Guzik with its best estimates of prices for Licensed Products within ten
business days following the date of execution of this Agreement, and from time
to time will update such estimates as better or more recent information becomes
available.

     The price to Guzik for a single-channel, two gigasample/second Chip Set
with four megabytes of memory is anticipated by the parties to be about $2,750,
but in any event will not exceed $3,000 unless otherwise agreed by the parties.
In the event that LeCroy makes any functional improvements to Licensed Products
that cause a material change in LeCroy's cost-of-goods-sold of such products,
LeCroy will make such improved Licensed Products available to Guzik under this
Agreement, but such $3,000/Chip Set limitation will not apply, and LeCroy and
Guzik will negotiate in good faith to determine appropriate pricing for the
improved Licensed Products.  In any event, LeCroy and Guzik will meet at least
once a year during the term of this Agreement to discuss possible arrangements
for further exchange of technology, through licensing or purchase and/or other
technology-sharing arrangements, but neither party will be obligated to enter
into any such arrangement not acceptable to it, in its discretion.

     LeCroy will keep complete and accurate records in sufficient detail to
enable its cost-of-goods-sold of Licensed Products sold to Guzik by it hereunder
to be determined, and at Guzik's request, from time to time will provide Guzik
with information relevant to such determination.  Guzik will be permitted, at
its own expense and upon reasonable prior notice, to have such determination
verified by an independent certified public accounting firm of its selection
(but not more than once in any twelve-month period).  LeCroy will make available
to such accounting firm (subject to reasonable confidentiality restrictions),
during normal business hours at its place(s) of business where such records are
customarily kept, all records pertinent to such verification.
<PAGE>
 
                                      -4-

     Invoices for Licensed Products will be issued upon shipment to Guzik.  All
invoices are due and payable 30 days from invoice date unless otherwise agreed
by the parties.

     4.  ADDITIONAL PAYMENTS.  In addition to paying for Licensed Products as
described above, Guzik will make the following non-refundable payments to
LeCroy:

     (a) In consideration of LeCroy's execution of this Agreement, Guzik will
pay LeCroy $1,000,000 upon execution of this Agreement and another $1,000,000
within 30 days after LeCroy delivers to Guzik the prototypes called for by
Section 1(b)(ii) hereof.

     (b) Within 30 days after LeCroy delivers 50 fully functional production
Chip Sets to Guzik pursuant to Section 1(b)(iii) hereof, Guzik will pay $500,000
to LeCroy in payment for such Chip Sets and as a non-refundable advance against
Guzik's future purchases of Licensed Products from LeCroy.

     5.  EXCLUSIVITY; GUZIK'S FIELD OF USE.

     (A) EXCLUSIVITY.  For so long as this Agreement is in effect, LeCroy will
not use Licensed Products in Guzik's Field of Use, or sell them to any person
(other than Guzik) for use in Guzik's Field of Use, but with respect to the
calendar year 1998 and each subsequent calendar year, if in any such calendar
year Guzik fails to purchase at least $1,000,000 worth of Licensed Products from
LeCroy (except to the extent that such failure is caused by LeCroy's failure to
deliver Licensed Products ordered by Guzik and not in excess of Guzik's
forecasted purchases), then these exclusivity limitations will terminate in
their entirety.

     (B) GUZIK'S FIELD OF USE.  Guzik will not, and will not permit any of its
sublicensees, subsidiaries, or other affiliates, (i) to use any Licensed Product
except for its own internal use in Guzik's Field of Use, (ii) except pursuant to
Section 2 ("Guzik Manufacturing Rights,,) hereof, to reverse-engineer or copy
any Licensed Product, or (iii) to sell any Licensed Product to any other person
except as part of, or for use in repairing or servicing, products incorporating
Licensed Products.

     (C) USE OF LECROY NAME.  Guzik and its sublicensees will include an
acknowledgment (in a form to be agreed to by Guzik and LeCroy) of use of
LeCroy's technology and products in the product literature and packaging used in
connection with Guzik's products incorporating Licensed Products.  Neither Guzik
nor any of its sublicensees or any of their respective customers will have any
rights in or to LeCroy's names or trademarks, and any use thereof by Guzik
and/or its sublicensees and/or their respective customers will inure to the
benefit of LeCroy.
<PAGE>
 
                                      -5-

     (D) EQUITABLE RELIEF.  Each of the parties hereby (and any sublicensee of
Guzik hereunder, by its acceptance of such sublicense) acknowledges that any
breach by it of its obligations under this Section 5 would cause substantial and
irreparable damage to the other party, and that money damages would be an
inadequate remedy therefor, and accordingly, acknowledges and agrees that the
other party will be entitled to an injunction, specific performance, and/or
other equitable relief to prevent the breach of such obligations.

     6.  INFORMATION; CONSULTING.  Promptly following execution of this
Agreement, and from time to time thereafter for so long as this Agreement
continues in effect, LeCroy will provide to Guzik copies of all readily
available information in LeCroy's possession or control that may be helpful to
Guzik to support Guzik's design program or to use Licensed Products in Guzik's
Field of Use, including block diagrams, schematics, test procedures and results,
parts lists, physical dimensions, pinouts, timing diagrams, heat dissipation
information, cooling requirements, and salient electrical characteristics, and
upon Guzik's request, will provide supplemental performance data reasonably
necessary for Guzik's applications.

     In addition, for the remainder of 1997, LeCroy at Guzik's request will
provide Guzik with up to eight hours per week of engineering consulting services
to assist Guzik in using the Licensed Products in Guzik's Field of Use.  Guzik
will promptly reimburse LeCroy for reasonable out-of-pocket expenses (including
travel and lodging, if applicable) incurred in connection with such services,
against appropriate documentation, but will not be obligated to pay any further
compensation for such consulting services.  All information so provided to Guzik
(including in connection with such consulting services) will be covered by and
subject to the Confidentiality Agreement, and LeCroy will incur no liability to
Guzik or any other person by reason of its providing any such information and/or
consulting services.

     7.  INTELLECTUAL PROPERTIES.  LeCroy will own all rights, titles, and
interests in and to the LeCroy Technology and any Improvements, and except as
specifically provided in Section 2 ("Guzik Manufacturing Rights") hereof,
neither Guzik nor any of its sublicensees will have any rights or license in
respect of the LeCroy Technology or the Improvements.  Guzik will cooperate and
cause its sublicensees to cooperate with LeCroy and will execute and deliver and
cause its sublicensees to execute and deliver such documents (including patent
applications) and/or take such other actions as LeCroy may reasonably request in
order to confirm or perfect such rights, titles, and interests, all at LeCroy's
expense.  The parties may decide to pursue joint development activities, and if
so, will first negotiate in good faith to determine their respective
intellectual property rights in respect of any resulting joint developments.
<PAGE>
 
                                      -6-

     8.  REPRESENTATIONS. Each of LeCroy and Guzik represents and warrants to
the other as follow:


     (a) It is a corporation duly organized and validly existing under the laws
of the State of Delaware, in the case of LeCroy, or California, in the case of
Guzik, and has full power to execute, deliver, and perform its obligations under
this Agreement.  It has duly taken all corporate action necessary on its part to
enable it to execute and deliver this Agreement and perform its obligations
hereunder.

     (b) No governmental or other third-party consent or approval not already
obtained and in effect is required in connection with its execution, delivery,
and performance of its obligations under this Agreement.

     (c) This Agreement is its binding obligation, enforceable in accordance
with its terms.  It has the unencumbered right to enter into this Agreement and
to fulfill its duties hereunder.  It is not, and will not become, bound by any
agreement in conflict herewith.

     (d) It will comply with all applicable laws and other legal requirements
(including export control laws) in connection with the transactions contemplated
by this Agreement.

     9.  LECROY WARRANTIES.  LeCroy warrants that Licensed Products sold by
LeCroy to Guzik hereunder will be free from defects in material and workmanship
and will conform to the Specifications for a period of 18 months from the date
of shipment by LeCroy.  LeCroy will honor this warranty by, at its option,
either repairing or replacing defective or nonconforming Licensed Products or
refunding the price paid by Guzik to LeCroy for such products.  This warranty is
contingent upon proper use of Licensed Products and does not apply to Licensed
Products that have been modified without LeCroy's approval or which have been
subjected to unusual and extreme physical or electrical stress, accident,
neglect, or misuse.

     10.  NO IMPLIED WARRANTIES; LIMITATIONS OF LIABILITY.  EXCEPT FOR THE
          -----------------------------------------------                 
EXPRESS REPRESENTATIONS AND WARRANTIES SET FORTH IN SECTIONS 8 AND 9 HEREOF,
EACH OF LECROY AND GUZIK DISCLAIMS ALL OTHER REPRESENTATIONS AND WARRANTIES,
EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  NEITHER LECROY NOR GUZIK
WILL BE LIABLE FOR LOSS OF PROFITS OR OTHER INCIDENTAL, CONSEQUENTIAL, INDIRECT,
SPECIAL, EXEMPLARY, PUNITIVE, OR OTHER SIMILAR DAMAGES ARISING UNDER OR IN
CONNECTION WITH THIS AGREEMENT, WHETHER GROUNDED IN CONTRACT OR TORT (INCLUDING
NEGLIGENCE AND STRICT
<PAGE>
 
                                      -7-

LIABILITY) OR OTHERWISE.  IN NO EVENT WILL LECROY'S
LIABILITY (OTHER THAN PURSUANT TO SECTION 11(B) HEREOF) EXCEED THE AMOUNT PAID
TO LECROY FOR THE LICENSED PRODUCT GIVING RISE TO SUCH LIABILITY.

     11. INDEMNIFICATION.

     (a) Subject to the limitations set forth herein, each of the parties will
indemnify the other party from and against any and all claims, suits, damages,
liabilities, costs, and expenses, including court costs and reasonable
attorneys' fees, arising out of any breach of this Agreement by the indemnifying
party.

     (b) At its expense, LeCroy will settle or defend and pay all damages
(including incidental and consequential damages) and costs finally awarded in
any action brought against Guzik, to the extent that (i) the action is based on
a claim that the LeCroy Technology infringes any patent, mask work, copyright,
trade secret, or other intellectual property or similar proprietary rights of
any third party, and (ii) such infringement or alleged infringement does not
arise out of a combination of the LeCroy Technology or any Improvements with, or
the addition of the LeCroy Technology or any Improvements to, technologies,
components, or products not supplied by LeCroy, or from any modification of the
LeCroy Technology or any Improvements.

     (c) At its expense, Guzik will settle or defend and pay all damages
(including incidental and consequential damages) and costs finally awarded in
any action brought against LeCroy based on a claim of infringement of any
patent, mask work, copyright, trade secret, or other intellectual property or
similar proprietary rights of any third party, but only to the extent that:

         (i) such infringement or alleged infringement is caused by a
combination of the LeCroy Technology or any Improvements with, or the addition
by Guzik or any of its sublicensees of the LeCroy Technology or any Improvements
to, technologies, components, or products not supplied by LeCroy, or from any
modification by Guzik or any of its sublicensees of the LeCroy Technology or any
Improvements; provided, that such infringement or alleged infringement would not
have occurred but for such combination, addition, or modification by Guzik of
such sublicensee, and further provided, that LeCroy will have no right to
indemnification by Guzik, and will remain responsible to indemnify Guzik under
Section 11(b) hereof, to the extent that such infringement or alleged
infringement is caused by the LeCroy Technology or any Improvements standing
alone; and/or

         (ii) such claim is that by entering into and/or performing its
obligations under this Agreement (including by granting the license under
Section 2 hereof and/or rendering consulting services to Guzik), LeCroy has
induced, aided,
<PAGE>
 
                                      -8-

abetted, or contributed to such infringement or alleged
infringement, provided, that LeCroy will have no right to indemnification by
Guzik, and will remain responsible to indemnify Guzik under Section 11(b)
hereof, to the extent that such infringement or alleged infringement is caused
by the LeCroy Technology or any Improvements standing alone.

     (d) In the event that a party entitled to indemnification hereunder (an
"Indemnified Party") desires to make a claim for indemnification against the
other party (the "Indemnifying Party") in connection with any third-party
litigation, arbitration, action, suit, proceeding, claim or demand at any time
instituted or made upon it for which it may seek indemnification hereunder (a
"Third-Party Claim"), the Indemnified Party will notify the Indemnifying Party
of such Third-Party Claim and of its claims for indemnification with respect
thereto, provided, that failure to give such notice will not relieve the
Indemnifying Party of its indemnification obligations under this Section 11
except to the extent, if at all, that the Indemnifying Party is actually
prejudiced thereby.  Upon receipt of such notice, the Indemnifying Party will be
entitled to assume the defense of such Third-Party Claim, and in the case of
such an assumption, the Indemnifying Party will have the authority to negotiate,
compromise, and settle such Third-Party Claim, provided, that the Indemnifying
Party will not agree to any settlement of such Third-Party Claim that does not
include an unconditional release of all liability of the Indemnified Party with
respect to such Third-Party Claim.  The Indemnified Party will retain the right
to employ its own counsel and to participate in the defense of any Third-Party
Claim, the defense of which has been assumed by the Indemnifying Party
hereunder, but the Indemnified Party will bear and be solely responsible for its
own costs and expenses in connection with such participation unless the
representation of the Indemnifying Party and the Indemnified Party by the same
counsel would be inappropriate because of an actual and substantial conflict of
interest between such persons.

     12. CERTAIN DEFINITIONS.  For purposes of this Agreement:

     "Confidentiality Agreement" means the confidentiality letter agreement
between LeCroy and Guzik dated as of October 9, 1996.

     "Guzik's Field of Use" means use of Licensed Products only in dedicated
instruments for mass storage devices and their components, including disk drive
certification, optical and magnetic media certification, testing of optical and
magnetic heads, servo-track writing, and certification of tape drives (i.e.,
instruments designed and sold solely for such purposes, and which are not
readily usable for other purposes).

     "Improvements,, means any inventions, modifications, improvements, or
developments with respect to Licensed Products, regardless of whether
patentable,
<PAGE>
 
                                      -9-

relating to or based on the LeCroy Technology, whether developed by
LeCroy and/or Guzik or otherwise.

     "LeCroy Technology,, means all intellectual properties (regardless of
whether patented, patentable, subject to legal protection as mask works, or
otherwise), technologies, trade secrets, know-how, and other proprietary
information of LeCroy that is incorporated or embodied in, and/or used in
producing, any Licensed Product.

     "Licensed Product" means any of the following components (including, if
Guzik so requests, "depopulated" versions of such components) and/or improved or
substituted versions of such components (other than "new generation"
improvements resulting in substantially increased functionality) that may be
available from LeCroy from time to time, and "Licensed Products" means any two
or more of such components.  A "Chip Set" means items 1 through 4 below.

         1.  HFE428 front end multi-chip module incorporating MFE437 custom
     integrated circuit in combination with discrete components.

         2.  MSY435 and HSY425 "switch yard" multi-chip module incorporating
     four MSY435 integrated circuits.

         3.  HAM421 multi-chip module containing four MAD422 500-
     megasamples/second analog-to-digital converters and two MSH432 dual sample-
     and-hold integrated circuits plus various discrete components.

         4.  HMM434 acquisition memory multi-chip module including four MAM424
     memory modules.

     "Person" (regardless of whether capitalized) means any natural person,
entity, or association, including without limitation any corporation,
partnership, limited liability company, government (or agency or subdivision
thereof), trust, joint venture, or proprietorship.

     "Sell," "sold," "sale," and "sales" (regardless of whether capitalized),
when used with reference to sales of Licensed Products by LeCroy or Guzik to
other persons, refer also to selling, licensing as licensor, leasing as lessor,
or otherwise transferring or disposing of Licensed Products.

     "Specifications" means the specifications for Licensed Products set forth
in the documentation delivered by LeCroy to Guzik and captioned as follows. From
<PAGE>
 
                                      -10-

time to time LeCroy will update the Specifications as better or more recent
information becomes available.

     LeCroy MFE415 user doc (January 20, 1997).
     LeCroy MFE437 Rev A (January 21, 1997).
     Philips OM5180X Device Specification (October 1995).
     Philips OM5180X - MAD 422, 2nd redesign (January 15, 1997).
     LeCroy MSH432 Preliminary (November 22, 1996).
     LeCroy MSY435 Preliminary rev A characterization (February 3, 1997, last
modification).
     LeCroy MSY Preliminary Data (November 6, 1996, last modification).

     13.  NOTICES.  All notices, requests, payments, instructions, or other
documents to be given hereunder will be in writing or by written
telecommunication, and will be deemed to have been duly given if (i) delivered
personally (effective upon delivery), (ii) mailed by registered or certified
mail, return receipt requested, postage prepaid (effective five business days
after dispatch), (iii) sent by a reputable, established courier service that
guarantees next business day delivery (effective the next business day), or (iv)
sent by telecopier followed within 24 hours by confirmation by one of the
foregoing methods (effective upon receipt of the telecopy in complete, readable
form), addressed to the receiving party at its address set forth in the first
paragraph of this Agreement (or to such other address as the receiving party may
have furnished to the sending party for this purpose).

     14.  CAPTIONS.  The caption of this Agreement and those of the sections and
subsections hereof are for reference only and will not affect the interpretation
or construction of this Agreement.

     15.  CONSTRUCTION.  The language used in this Agreement is the language
chosen by the parties to express their mutual intent, and no rule of strict
construction will be applied against either party.

     16.  WAIVERS; AMENDMENTS; TERMINATION.  No waiver of any breach or default
hereunder will be valid unless in a writing signed by the waiving party.  No
failure or other delay by any party exercising any right, power, or privilege
hereunder will be or operate as a waiver thereof, nor will any single or partial
exercise thereof preclude any other or further exercise thereof or the exercise
of any other right, power, or privilege.  This Agreement may be amended and/or
terminated only by a writing signed (in counterparts or otherwise) by both
parties.  The provisions of Sections 5 ("Exclusivity; Guzik's Field of Use"), 7
("Intellectual Properties"), 8 ("Representations"), 9 ("LeCroy Warranties"), 10
("No Implied Warranties; Limitations of Liability"), 11 ("Indemnification"), and
12-23 (various "boilerplate" provisions) will survive any termination of this
Agreement, as will the
<PAGE>
 
                                      -11-


parties' respective rights and obligations in respect of any breach of this
Agreement occurring before such termination.

     17.  NON-SOLICITATION.  The parties agree for so long as this Agreement is
in effect, and for a period of one year thereafter, neither party will solicit
or hire engineering or technical personnel (or former personnel) of the other
party.

     18.  ENTIRE AGREEMENT.  This Agreement, together with the Confidentiality
Agreement (which will survive both the execution and any termination of this
Agreement and will continue to cover all information exchanged by the parties in
connection with the transactions contemplated by this Agreement), constitutes
the entire Agreement between the parties with respect to the subject matter
hereof and supersedes and terminates all prior agreements, arrangements,
understandings and communications, whether oral or written, between them,
including without limitation their Memorandum of Understanding dated as of
February 10, 1997.

     19.  RELATIONSHIP OF PARTIES.  Nothing contained in this Agreement will
create a joint venture, partnership, agency, or similar endeavor or relationship
between the parties.  Each party will act solely as an independent contractor
and neither party will have or hold itself out as having any right, power, or
authority to bind or act on behalf of the other.

     20.  COUNTERPARTS.  This Agreement may be executed by the parties in
separate counterparts, each of which when so executed and delivered will be an
original, but all of which together will constitute one and the same instrument.
In pleading or proving this Agreement, it will not be necessary to produce or
account for more than one such counterpart.

     21.  NO ASSIGNMENT OR THIRD-PARTY BENEFICIARIES, ETC.  This Agreement will
bind and inure to the benefit of the parties and their respective successors and
permitted assigns, and will not confer any rights or remedies on any other
person.  Neither party may assign its rights or delegate its obligations
hereunder without the written consent of the other party, and any attempt to do
so will be void and will be a material breach of this Agreement entitling the
other party, in addition to any other remedies to which it may be entitled, to
terminate this Agreement.  A merger or consolidation involving either party
hereto (other than a merger or consolidation of a party solely with one or more
of its wholly owned subsidiaries) will be deemed to be an assignment for
purposes of this section.

     22.  GOVERNING LAW.  This Agreement will be governed by and interpreted and
construed in accordance with the internal laws of the State of Delaware (without
reference to principles of conflicts or choice of laws).
<PAGE>
 
                                      -12-

     23. PRESS RELEASE. Promptly following the execution of this Agreement,
LeCroy and Guzik will cooperate to create and issue one or more mutually
acceptable press releases with respect to this Agreement and the transactions
contemplated hereby.


              [The rest of this page is intentionally left blank.]
<PAGE>
 
                                      -13-


     IN WITNESS WHEREOF, each of LeCroy and Guzik has executed and delivered
this Agreement as of the date first above written.

LECROY CORPORATION              GUZIK TECHNICAL
                                ENTERPRISES

By /s/ Lutz P. Henckels         By /s/ Nahum Guzik
   --------------------            ---------------
   Lutz P. Henckels                Nahum Guzik
   President and                   President and
   Chief Executive Officer         Chief Executive Officer

<PAGE>
 
                                                                    Exhibit 23.3

                   CONSENT OF CURTIS, MORRIS & SAFFORD, P.C.

     Curtis, Morris & Safford, P.C. hereby consents to the reference to it under
the heading "Legal Matters" in the Registration Statement on Form S-3
(Registration No. 333-22117) of LeCroy Corporation and the Prospectus contained
therein, as amended.

                         Very truly yours,

                         CURTIS, MORRIS & SAFFORD, P.C.


                         By  /s/ William S. Frommer
                             ----------------------
                              For the Firm

Dated:  March 4, 1997

<PAGE>
 
                                                                    EXHIBIT 23.4

                          CONSENT OF PRIME DATA, INC.


     Prime Data hereby consents to the references to it and information provided
by it in the Registration Statement on Form S-3 (Registration No. 333-22117) of
LeCroy Corporation and the Prospectus contained therein.


                                  Very truly yours,


                                  PRIME DATA, INC.

March 21, 1997

                                  By   /s/ Galen W. Wampler
                                  --------------------
                                  Name:  Galen W. Wampler
                                  Title:  President


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