BARRINGER TECHNOLOGIES INC
S-3/A, 1996-09-26
TESTING LABORATORIES
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                                                     Registration No. 333-11629

================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                               AMENDMENT NO. 1
                                      TO
                                  FORM S-3
                             REGISTRATION STATEMENT
                                      Under
                           THE SECURITIES ACT OF 1933
                                 _______________

                           BARRINGER TECHNOLOGIES INC.
             (Exact name of registrant as specified in its charter)

        Delaware                                                    84-0720473
(State or other jurisdiction of                                 (I.R.S. Employer
 incorporation or organization)                              Identification No.)
                                219 South Street
                        New Providence, New Jersey 07974
                                 (908) 665-8200
          (Address, including zip code, and telephone number, including
             area code, of registrant's principal executive offices)
                           __________________________
   Stanley S. Binder                           Copy to:
 Barringer Technologies Inc.                             Allen B. Levithan, Esq.
    219 South Street            Lowenstein, Sandler, Kohl, Fisher & Boylan, P.A.
New Providence, New Jersey 07974                            65 Livingston Avenue
    (908) 665-8200                                    Roseland, New Jersey 07068
(Name, address, including zip code, and telephone number,         (201) 992-8700
    including area code, of agent for service)
                           __________________________

     Approximate date of commencement of proposed sale to the public: As soon as
practicable  after  the  effective  date  of  this  Registration  Statement  and
thereafter as determined by the Selling Securityholders.
   
     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, other than securities offered only in connection with dividend or interest
reinvestment plans, please check the following box. [X] 

     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, please 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
under the Securities Act, please check the following box. [ ]
    

   
                         CALCULATION OF REGISTRATION FEE
<TABLE>
- --------------------------------------------------------------------------------
<CAPTION>
Title of Each Class of          Proposed Maximum            Proposed Maximum                  Amount of
Securities to be Registered  Offering Price Per Unit(1)  Aggregate Offering Price (1)(2)    Registration Fee
- ------------------------------------------------------------------------------------------------------------
<S>                                   <C>                      <C>                                  <C>   
Common Stock
 ($.01 par value)                     $7.88                    $9,287,597                           (3)
- ------------------------------------------------------------------------------------------------------------
</TABLE>
    

   
(1)  Estimated  solely  for the  purpose of  calculating  the  registration  fee
     pursuant  to Rule 457(c)  based upon a price of $7.88 per share,  which was
     the  average  of the high and low sale  prices as  reported  on The  NASDAQ
     SmallCap Market on September 24, 1996.

(2)  Pursuant  to  Rule  416,  there  also are being registered an indeterminate
     number  of shares  of  the  registrant's  common stock, par value $.01 per 
     share, which  may become issuable pursuant to the antidilution  provisions 
     of the underlying  convertible  securities.
     
(3)  $3,425 was paid in connection with the initial filing of this Registration 
     Statement.
    
     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>
   

PROSPECTUS




                                1,178,629 Shares
    
                           BARRINGER TECHNOLOGIES INC.

                          Common Stock (par value $.01)
   
     This Prospectus relates to 1,178,629 shares of common stock, par value $.01
per share ("Common Stock"), of Barringer Technologies Inc. (the "Company") to be
offered   and  sold  from  time  to  time  for  the   accounts  of  the  Selling
Securityholders set forth herein (the "Selling Securityholders").

     All of the 1,178,629  shares of the Common Stock being  offered  hereby are
being registered at the Company's expense pursuant to contractual obligations of
the Company incurred in connection with private  placements under the Securities
Act of 1933, as amended (the "Securities Act").
    
     Such  private  placements  include  the sale by the  Company  of units (the
"Units")  each  consisting  of 2,500  shares  of Common  Stock and a warrant  to
purchase 2,500 shares of Common Stock, various warrants to purchase Common Stock
(collectively  with the warrants issued as part of the Units,  the  "Warrants"),
and  subordinated  convertible  debentures,  convertible  into  shares of Common
Stock, due July 9, 1997 (the "Debentures").
   
     The  Company  will not  receive  any of the  proceeds  from the sale of the
Common Stock by the Selling  Securityholders.  The net proceeds from the sale of
the Common  Stock will be paid  directly  to the  Selling  Securityholders.  The
Company will receive up to  approximately  $881,000 from the exercise price with
respect to the exercise of the Warrants. The Company estimates that its expenses
in  connection  with the offering of the Common Stock (the  "Offering")  will be
approximately $35,000.
    
     The Selling Securityholders may from time to time offer and sell the Common
Stock  being  offered  hereby  in the  over-the-counter  market,  in  negotiated
transactions,  or  otherwise,  at  prices  then  prevailing  or  related  to the
then-current  market price or at  negotiated  prices.  The Common Stock  offered
hereby may be sold directly by the Selling  Securityholder  or through agents or
broker-dealers  acting as  principal  or agent,  or in block trades or by one or
more underwriters. See "Plan Of Distribution."

   
     On  September  24,  1996,  the last sale price of the  Common  Stock in the
over-the-counter  market as reported on The NASDAQ SmallCap Market (symbol BARR)
was $7.50 per share.
    
                       ___________________________________

     See "Risk Factors" on page 4 for certain factors which should be considered
by prospective purchasers of the shares of Common Stock offered hereby.

THESE  SECURITIES  HAVE NOT BEEN APPROVED OR  DISAPPROVED BY THE SECURITIES  AND
EXCHANGE  COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE COMMISSION  
OR ANY STATE  SECURITIES  COMMISSION  PASSED  UPON  THE  ACCURACY  OR  ADEQUACY 
OF THIS PROSPECTUS.  ANY  REPRESENTATION  TO THE CONTRARY IS A CRIMINAL OFFENSE.

                       __________________________________
   
               The date of this Prospectus is September 26, 1996.
    

<PAGE>
                              AVAILABLE INFORMATION

     The Company is subject to the  information  requirements  of the Securities
Exchange Act of 1934 (the "Exchange  Act") and, in accordance  therewith,  files
reports, proxy statements and other information with the Securities and Exchange
Commission (the  "Commission").  Such reports,  proxy statements and information
filed by the Company  with the  Commission  can be  inspected  and copied at the
public reference facilities maintained by the Commission at Room 1024, 450 Fifth
Street, NW, Washington,  D.C. 20549; and at the Commission's Regional Offices at
500 West  Madison,  Suite  1400,  Chicago,  Illinois  60661 and at 7 World Trade
Center,  Suite 1300,  New York,  New York 10048.  Copies of such material can be
obtained from the Public  Reference  Section of the  Commission at its principal
office at Room 1024, 450 Fifth Street, NW, Washington, D.C. 20549, at prescribed
rates.  The  Commission  maintains a Web site that contains  reports,  proxy and
information  statements and other  information  regarding  issuers,  such as the
Company,  that file  electronically  with the Commission and the address of such
Web site is  http://www.sec.gov.  The Common Stock is currently  included in The
NASDAQ SmallCap Market, under the symbol BARR, and reports, proxy statements and
other  information  regarding the Company can be inspected at the offices of the
National  Association of Securities  Dealers,  Inc. at 33 Whitehall Street, 10th
Floor, New York, New York 10004.
      
     The Company has filed with the Commission a Registration  Statement on Form
S-3 (together with all amendments thereto,  the "Registration  Statement") under
the  Securities  Act with  respect  to the Common  Stock  offered  hereby.  This
Prospectus does not contain all of the information set forth in the Registration
Statement and exhibits  thereto,  certain portions of which have been omitted in
accordance  with the  rules  and  regulations  of the  Commission.  For  further
information  with  respect to the Company and the Common  Stock  offered  hereby
reference  is made to the  Registration  Statement  and related  exhibits and to
documents filed with the Commission.  Any statements contained herein concerning
the  provisions  of any  document  are not  necessarily  complete  and,  in each
instance,  reference is made to the copy of such document filed as an exhibit to
the Registration Statement.  Each such statement is qualified in its entirety by
such reference.  Copies of the  Registration  Statement and the exhibits thereto
are on file at the offices of the Commission  and may be obtained,  upon payment
of the fee prescribed by the  Commission,  or may be examined  without charge at
the public reference facilities of the Commission described above.

                   ___________________________________________


                       DOCUMENTS INCORPORATED BY REFERENCE

     The  following  documents,  which have been filed by the  Company  with the
Commission pursuant to the Exchange Act, are hereby incorporated by reference in
this Prospectus:

     (i) The Company's  Annual  Report on Form 10-K for the year ended  December
31, 1995;

     (ii) The Company's  Quarterly Reports on Form 10-QSB for the quarters ended
March 31 and June 30, 1996; and

     (iii) The  description  of the  Common  Stock  set  forth in the  Company's
Registration  Statement  filed on Form 8-A and any amendment or report filed for
the purpose of updating such description.

     All documents filed by the Company pursuant to Section 13(a),  13(c), 14 or
15(d) of the  Exchange  Act after the date of this  Prospectus  and prior to the
completion of the Offering being made hereby shall be deemed to be  incorporated
by reference in this  Prospectus and to be a part hereof from the date of filing
of such documents.  Any statement contained herein or in a document incorporated
or deemed to be incorporated by reference  herein shall be deemed to be modified
or  superseded  for purposes of this  Prospectus  to the extent that a statement
contained herein or in any other subsequently filed document which also is or is
deemed to be  incorporated  by  reference  herein  modifies or  supersedes  such
statement.  Any statement so modified or superseded shall not be deemed,  except
as so modified or superseded, to constitute a part of this Prospectus.

     The Company  hereby  undertakes to provide  without  charge to each person,
including  any  beneficial  owner,  to whom a copy of this  Prospectus  has been
delivered, upon the written or oral request of any such person, a copy of any or
all  of the  documents  referred  to  above  under  "Documents  Incorporated  by
Reference"  (other than  exhibits to such  documents  unless such  exhibits  are
specifically  incorporated  by reference in such  documents).  Requests for such
copies should be directed to: Barringer Technologies Inc., 219 South Street, New
Providence,  New  Jersey  07974,  Attention:   Secretary  (telephone  no.  (908)
665-8200).

<PAGE>
                           FORWARD-LOOKING STATEMENTS

   
     This Prospectus contains  forward-looking  statements within the meaning of
Section 27A of the  Securities  Act and Section 21E of the  Exchange  Act.  Such
statements  include,  but are not limited  to, the  Company's  opportunities  to
increase sales through, among other things, the development of new applications,
markets and the extension of its  IONSCAN[R]  products,  the  development of new
IONSCAN[R[  products,  the probability of the Company's  success in the sales of
its IONSCAN[R] products in current markets,  exposure to fluctuations in foreign
currencies,  regulations  and  directives  changing  security  requirements  and
liquidity and capital requirements.

     Forward-looking   statements   are   inherently   subject   to  risks   and
uncertainties,  many of which can not be  predicted  with  accuracy  and some of
which might not even by anticipated. Future events and actual results, financial
and otherwise,  could differ  materially from those set forth in or contemplated
by  the  forward-looking   statements  herein.   Important  factors  that  could
contribute  to such  differences  are set  forth  below  under  "Risk  Factors,"
including,  but not limited to,  "Governmental  Regulation  and Law  Enforcement
Requirements,"  "History of Losses," "Cash Constraints,"  "Dependence on Private
Sales  of  Securities,"   "Dependence  on  IONSCAN[R]  and  Market  Acceptance,"
"Dependence   on   New   Product   Development;    Technological   Advancement,"
"Noncompliance   Under   Credit   Facility,"    "Competition,"   and   "Currency
Fluctuations."
    

<PAGE>


                                  RISK FACTORS

     Prospective   purchasers  should  carefully  consider  the  following  risk
factors,  in addition to the other  information  contained  in this  Prospectus,
before purchasing the shares of Common Stock offered hereby:

   
Governmental Regulation and Law Enforcement Requirements

     While the Company  anticipates that  regulations or requirements  mandating
the use of explosive detection systems both in the United States and abroad will
be adopted as a result of certain  governmental  initiatives taking place in the
United States and abroad, including the recent report of the Aviation Safety and
Security  Commission  (the "Gore  Commission"),  no assurance  can be given that
regulations or  requirements  mandating the use of explosive  detection  systems
will ultimately be adopted or as to the timing thereof.  Likewise,  there can be
no assurance that any such  regulations or requirements  will specify the use of
trace  particle  detection  equipment  or that  the  IONSCAN[R]  will  meet  any
certification or other requirements that may be adopted in connection therewith.
The  growth  of the  Company's  business  is  substantially  dependent  upon the
adoption of such regulations or requirements.

     From  time to  time,  local,  state  and  federal  governmental  regulatory
agencies and law enforcement  agencies have enacted  regulations or requirements
relating to the performance and operation of equipment used in  security-related
situations.  Court decisions  relating to the  admissibility  of testing results
also may  have a  significant  effect  on the  industry.  Although  the  Company
believes  that its  products  function  at a  state-of-the-art  level and are in
compliance with current  regulations and requirements,  changes in existing laws
and regulations,  as well as promulgation of new laws and regulations applicable
to the  activities  of the Company,  may have a material  adverse  effect on the
Company's business, results of operations and financial condition.

History of Losses

     The Company  sustained net losses of $2,565,000  and $827,000 for the years
ended December 31, 1994 and 1995,  respectively,  and had an accumulated deficit
of  $16,003,000 at June 30, 1996.  Although the Company  generated net income of
$564,000 for the first six months of 1996,  there can be no  assurance  that the
Company  will be able to sustain a  profitable  level of operation in any future
periods.

Cash Constraints

     Historically,  the Company has not generated net cash flow from  operations
and,  accordingly,  has experienced periodic severe cash shortages due to higher
cash requirements needed to fund increased sales. In order to fund its cash flow
requirements,  the Company has been  dependent  on the receipt of proceeds  from
private  sales of its  securities  and the exercise of  outstanding  options and
warrants. See "Dependence on Private Sales of Securities."
    

Dependence on Private Sales of Securities

     As a result  of the  Company's  history  of  losses,  the  Company  has not
historically  generated  sufficient cash flow from operations to meet all of the
Company's working capital requirements.  Accordingly,  in order to fund its cash
flow  requirements,  the  Company  has been  dependent  on private  sales of its
securities and the receipt of proceeds from the exercise of outstanding  options
and warrants.

<PAGE>

   
     To the extent that it is unable to meet its working capital requirements by
generating sufficient cash flow from operations, the Company intends to continue
its practice of funding a portion of its working  capital  requirements  through
sales of its  securities.  The sale by the Company of Common  Stock,  securities
convertible  into or exchangeable  for Common Stock or warrants  exercisable for
Common  Stock,  and the  exercise of the rights of holders and such  convertible
securities and warrants, could result in substantial dilution of the investments
of holders of the Common Stock offered hereby. Further,  additional sales of the
Common Stock could  trigger a "change in ownership" as defined in Section 382 of
the Internal Revenue Code of 1986, as amended (the "Code").  See "Limitations on
the Utilization of Net Operating Losses." If triggered,  a "change in ownership"
could restrict the Company's ability to utilize its tax loss carryforwards.  See
"Limitations on the  Utilization of Net Operating  Losses." There also can be no
assurance  that  investors  will  continue  to  fund  the  Company's  cash  flow
requirements.  In the event that the Company is not able to sell  securities for
proceeds  sufficient to meet its cash flow needs,  the Company would be required
to significantly curtail its operations.
    

Holding Company Structure; Dependence Upon Subsidiaries
   
     The Company is a legal entity,  separate and distinct from its subsidiaries
and does not conduct any significant  operations other than the ownership of the
stock of such subsidiaries.  Accordingly, the Company is substantially dependent
upon cash dividends and other fees paid to it by its  subsidiaries.  The ability
of Barringer Research Limited,  a subsidiary of the Company ("BRL"),  to provide
cash to the  Company  is  restricted  by the  terms  of a credit  facility  (the
"Facility") with the  Toronto-Dominion  Bank (the "Bank"). In addition,  because
the Company is a holding  company and a legal entity  separate and distinct from
its  subsidiaries,  the rights of the Company to participate in any distribution
of  assets  of any  of its  subsidiaries  upon  its  liquidation  of  assets  or
reorganization or otherwise (and thus the ability of holders of the Common Stock
offered hereby to benefit indirectly from such distribution) would be subject to
the prior claims of creditors of that  subsidiary  except to the extent that the
Company  itself  may be the  creditor  with  recognized  claims.  Claims  on the
Company's  subsidiaries  include the  Facility and  substantial  claims of trade
creditors.
    
Dependence on IONSCAN[R] and Market Acceptance
   
     The  Company's  future  profitability  is  substantially  dependent  on the
Company's  ability to  successfully  market the  IONSCAN[R].  While the  Company
believes  that  currently  there  are  significant  markets  for its  IONSCAN[R]
technology, there can be no assurance that such markets exist or will develop or
that the Company will be able to capitalize on any such markets that do develop.
    
Dependence on New Product Development; Technological Advancement
   
     The Company's  success is dependent upon its ability to continue to enhance
the  IONSCAN[R]  and to develop and introduce in a timely manner new  IONSCAN[R]
products  which  incorporate  technological  advances,  keep pace with  evolving
industry  standards  and  respond  to  customer  requirements.  There  can be no
assurance  that the Company  will be  successful  in  developing  and  marketing
enhancements  to the IONSCAN[R] or new IONSCAN[R]  products on a timely basis or
that any new or enhanced IONSCAN[R] product will adequately address the changing
needs or preferences of the marketplace. If the Company is unable to develop and
introduce  new  products  or  enhancements  in a timely  manner in  response  to
changing market  conditions or customer  requirements,  the Company's  business,
results of operations  and  financial  condition  would be materially  adversely
affected.

     In  addition,  from time to time,  the Company or its present or  potential
competitors may announce new products,  capabilities  or technologies  that have
the potential to replace or shorten the  lifecycles  of the  Company's  existing
products.  Announcements  of  currently  planned or other new products may cause
customers to delay their  purchasing  decisions in anticipation of such products
as occurred in late 1994 when the Company  introduced the Model 400  IONSCAN[R].
Such delays  could have a material  adverse  affect on the  Company's  business,
results of operations and financial condition.

<PAGE>

Government Procurement and Other Policies

     The  Company's  principal  customers  are  governmental  agencies  and  law
enforcement  entities that are subject to budgetary  processes  and  expenditure
constraints.  Budgetary  allocations are dependent,  in part, upon  governmental
policies  providing  funding  for drug  interdiction  and  security  efforts.  A
reduction of funding for such efforts could  materially and adversely affect the
Company's business, results of operations and financial condition.

     Moreover,  although  the  Company's  sales  are  not  seasonal  in  nature,
governmental agencies and certain other of the Company's customers expend unused
budgeted funds at the end of their various  fiscal years,  causing the Company's
sales  to  be  higher  during  such  periods.   Since  the  Company   recognizes
substantially  all of the revenue and related  expense for a sale upon shipment,
and since the recognition of revenue from the sale of relatively few IONSCAN[R]s
may  substantially  impact the Company's  profitability  during any period,  the
impact of these  budgetary  constraints on the delivery date of a relatively few
units could significantly affect the Company's quarterly results.
    
Noncompliance Under Credit Facility
   
     The Company's subsidiary,  BRL is a party to the Facility. During 1995, the
amounts outstanding under the Facility exceeded the amount available  thereunder
and BRL was in violation of certain  other  covenants  contained  therein.  As a
result,  on September 28, 1995,  the Company  entered into an agreement with the
Bank which modified the Facility (the "Modified Facility") pursuant to which the
Bank agreed that BRL had until  September 30, 1995 to come into  compliance with
the permitted  borrowing  amount and those covenants.  In exchange,  the Company
agreed to dispose of its interest in Barringer Laboratories,  Inc. ("Labco") and
to  contribute a portion of the  proceeds  from such sale to BRL.  Further,  the
Company  provided  the Bank with  additional  collateral  to secure  the  Bank's
advances to BRL. At September 30, 1995, BRL was in compliance with the permitted
borrowing amount and the terms of the Modified  Facility.  However,  at December
31, 1995, BRL was not in compliance with the minimum working capital requirement
contained in the Modified  Facility,  and at June 30, 1996, and at certain times
prior thereto,  BRL's borrowings under the Modified Facility exceeded the amount
available thereunder.  The Bank, without waiving any other remedies available to
it, has  charged  BRL an  interest  rate of 21% on the excess of such  allowable
borrowings in accordance with the default rate in the Modified Facility. At July
31,  1996,  BRL,  was in  compliance  with the terms of the  Modified  Facility.
However,  there can be no assurances  that BRL will continue in compliance  with
the terms of the Modified  Facility in the future.  Management  believes that if
BRL  fails to  comply  with the terms of the  Modified  Facility,  the Bank will
continue to provide  funding in accordance  with past  practices,  however,  the
Company  cannot  predict  what  actions,  if any, the Bank may take or as to the
timing thereof.  In the event that the Bank ceased to provide funding to BRL, or
demanded repayment of the Modified Facility, the Company's business,  results of
operations and financial  condition  could be materially and adversely  affected
thereby.
    
Lack of Proprietary Technology
   
     The Company believes that its  implementation of ion mobility  spectrometry
("IMS") technology in the IONSCAN[R] is proprietary to the Company. Although the
Company has a number of patents covering certain aspects of the IONSCAN[R],  the
basic IMS technology is not  proprietary  and is available in the public domain.
Accordingly,  present and  potential  competitors  could use such  technology to
duplicate the performance of the IONSCAN[R].  However, the Company believes that
such competitors  could not readily  replicate the IONSCAN[R]'s  performance and
that any attempt to do so would require substantial time and resources.

Competition

     The Company  competes with other entities in the trace  particle  detection
industry, a number of which have significantly greater financial,  marketing and
other  resources  than the  Company.  In  addition,  the  Company  competes  for
governmental expenditures, particularly in the explosives detection market, with
the manufacturers of other types of detection  equipment,  including imaging and

<PAGE>

vapor  detection  equipment,  some of  which  also  have  significantly  greater
financial,  marketing and other  resources  than the Company.  While the Company
believes that it competes effectively in its principal markets,  there can be no
assurance that the Company will maintain its competitive position.
    
Limitations on the Utilization of Net Operating Losses
   
     At June 30,  1996,  the Company had net  operating  loss  carryforwards  of
approximately $13,500,000, which will expire beginning in the 1996 tax year. The
issuance of the Common  Stock being  offered  hereby  may,  in  connection  with
additional sales of shares of the Common Stock,  trigger a "change in ownership"
under Code Section 382 with respect to the Company,  in which event, the Company
may be  restricted  in its  ability  to use  its  net  loss  carryforwards.  See
"Dependence on Private Sales of Securities."
    

Nonpayment of Cash Dividends

     Since its inception,  the Company has not paid cash dividends on the Common
Stock, and it is unlikely that the Company will pay cash dividends on its Common
Stock  in the  foreseeable  future.  Dividends  are  required  to be paid on the
Company's Class A Convertible Preferred Stock, par value $2.00 per share ("Class
A Convertible  Preferred Stock"),  and Class B Convertible  Preferred Stock, par
value $2.00 per share ("Class B  Convertible  Preferred  Stock"),  at the annual
rate of $.16 per share,  in cash or in shares of Common Stock,  at the option of
the Company,  valued for such purposes at the average closing price (as reported
on The NASDAQ SmallCap  Market) of the Common Stock over the twenty (20) trading
days immediately prior to the record date set for each dividend payment date.

   
Retention of and Dependence Upon Key Personnel

     The  Company's  success will depend,  in part, on its ability to retain the
services of its key personnel,  including  management and scientific  employees,
who are and will continue to be  instrumental  in the development and management
of the  Company's  business.  Although the Company has entered  into  employment
agreements  with certain of its senior  executives,  the loss of the services of
one or more of the Company's key employees could have a material  adverse affect
on the Company.
    
Warranty Claims
   
     The Company  generally  provides a one-year  warranty  on each  IONSCAN[R].
Although  the  Company  has not  experienced  a  significant  amount of warranty
claims,  there can be no  assurance  that such claims  will not  increase as the
Company's  sales increase.  A material  increase in warranty claims could have a
material  adverse  effect on the Company's  business,  results of operations and
financial condition.

Potential Product Liability, Insurance Limits

     The Company currently  maintains product liability  insurance in the amount
of $5 million per  occurrence.  The Company's  insurance  policy covers  certain
claims and the cost of legal fees involved in the defense of such claims,  which
are either  covered under the policy or alleged in such a manner so as to invoke
the  insurer's  duty to defend the Company.  No  significant  product  liability
claims have been  asserted  or, to the  knowledge of the  Company's  management,
threatened  against  the  Company to date.  The Company  believes  that,  as the
Company  distributes  more products into the marketplace and expands its product
lines,  the  Company's  exposure  to  potential  product  liability  claims  and
litigation  arising from  injuries  and other  damages  allegedly  caused by the
improper  functioning or design of the  IONSCAN[R]  will occur and may increase.
There can be no assurance that the Company's  current level of insurance will be
sufficient  to protect the  business  and assets of the Company from all claims,
nor can any  assurance  be given that the Company  will be able to maintain  the
existing  coverage or additional  coverage at commercially  reasonable rates. To

<PAGE>
the  extent  product  liability  losses  are  beyond  the limits or scope of the
Company's insurance coverage,  the Company could experience a materially adverse
effect on its business, results of operations and financial condition.
    
Currency Fluctuations
   
     A portion of the Company's revenues and expenses are denominated in foreign
currencies.  As a result, the Company is exposed to a certain degree of exchange
rate risk. The Company  currently does not hedge its foreign exchange  exposure.
To date,  the  Company  has not  experienced  any  material  loss as a result of
currency fluctuations.  However, there can be no assurance that the Company will
not  experience   material  losses  in  the  future  as  a  result  of  currency
fluctuations.

Volatility of Stock Price

     Prior to this offering,  there have been  significant  fluctuations  in the
trading  price  of the  Common  Stock.  No  assurance  can be  given  that  such
volatility will not continue.
    
Dilution

     As of August 26, 1996, the Company had  outstanding  options,  warrants and
convertible securities which were exercisable or convertible for an aggregate of
1,409,244  shares of Common Stock. Any exercise or conversion of such securities
will,  in all  likelihood,  take  place at a time when the  market  price of the
Common  Stock is higher than the exercise or  conversion  prices  thereof.  As a
result,  investors  in the Common  Stock  offered  hereby may incur  substantial
dilution of their investments.
   
Certain Charter Provisions

     The Company's Certificate of Incorporation, as amended (the "Certificate of
Incorporation"),  contains  provisions  which require the favorable  vote by the
holders of not less than 80% of the  outstanding  shares of Common Stock for the
approval of any merger,  consolidation or other combination with, or sale, lease
or exchange of all or substantially all of the assets of the Company to, another
entity  holding  more  than  10%  of the  Company's  outstanding  voting  equity
securities or any affiliate of such entity.  These  provisions  could discourage
potential  acquisition  proposals,  delay or  prevent a change in control of the
Company and limit the price that  certain  investors  might be willing to pay in
the future for shares of the Company's Common Stock.

     The Board of  Directors  of the  Company is  empowered  to issue  shares of
preferred stock without  stockholder action. The existence of this "blank check"
preferred  stock could render more  difficult or discourage an attempt to obtain
control of the  Company by means of a tender  offer,  merger,  proxy  contest or
otherwise and may  adversely  affect the  prevailing  market price of the Common
Stock.  The  Company  currently  has no  plans  to issue  additional  shares  of
preferred stock. In addition,  Section 203 of the Delaware  General  Corporation
Law prohibits  certain persons from engaging in business  combinations  with the
Company.
    
<PAGE>
                                   THE COMPANY
   
     Barringer  Technologies Inc. (the "Company") is principally  engaged in the
design, development, manufacture and sale of analytical instruments used for the
high  sensitivity  detection  of  trace  amounts  of  plastic  and  conventional
explosives  and of illegal  narcotics.  The  Company's  principal  product,  the
IONSCAN[R],  is a portable  desk-top  instrument  that  utilizes  a  proprietary
implementation of ion mobility  spectrometry ("IMS") technology to determine the
presence  or  absence  of  targeted  compounds  in a sample  by  heating  it and
measuring  certain  characteristics  of the ions  produced  from  the  resulting
vapors.  The  IONSCAN[R]  can  detect  the  presence  or  absence  of a targeted
substance  in  approximately  six seconds and can detect  substances  in amounts
smaller than one-billionth of a gram.

     The  Company's  customers  are  primarily  governmental,  security  and law
enforcement  agencies  throughout  the world,  including  the Federal  Bureau of
Investigation,  the Drug  Enforcement  Agency,  the  United  States,  French and
Canadian customs services and various airports throughout the world. Because the
IONSCAN[R] provides precise analysis of chemical  compounds,  it is used in lieu
of and in conjunction with equipment  utilizing imaging detection  technologies,
such as X-ray,  computer  aided  tomography  ("CATSCAN")  and  nuclear  magnetic
resonance  imaging.  As of  June  30,  1996,  the  Company  had  sold  over  300
IONSCAN[R]s,  and the Company  believes  that, in terms of units sold, it is the
world's leading supplier of trace particle detection instruments.

     IONSCAN[R]s  generally have been sold for explosive detection  applications
outside the United States, including at foreign airports, train stations and the
Eurotunnel,  and for drug  interdiction  and detection  deployment in the United
States and elsewhere around the world. For example, the IONSCAN[R] has been used
in foreign  airports to check baggage for traces of explosives and by the United
States  Coast  Guard to check  ships and cargo in U.S.  territorial  waters  for
traces of illegal  narcotics.  The Company  believes  that the  security-related
market  for the  IONSCAN[R]  is  growing  as a result  of  governmental  actions
reflecting increased public safety concerns,  particularly in the United States,
in the wake of an  increasing  number of  terrorist  acts around the world.  The
Company also believes that additional growth will occur in the drug interdiction
market as a result of  continuing  drug  interdiction  efforts and  governmental
efforts to reduce drug use. However,  no assurance can be given in regard to the
growth of either the security-related market or the drug interdiction market.

     The Company  believes that new markets for the  IONSCAN[R] can be developed
in other areas,  such as security  screening of individuals  and process control
and quality  assurance in certain  industrial  applications.  In addition,  when
coupled with certain other existing  technologies,  such as gas  chromatography,
the IONSCAN[R] can be adapted to other uses, including environmental, biological
and chemical testing.

     In  addition  to  the  IONSCAN[R],   the  Company  manufactures   specialty
instruments  and engages in contract  research and  development  activities  for
industrial  companies  and  various  governmental  agencies.  For the year ended
December 31, 1995, and the six months ended June 30, 1996, approximately 25% and
23% of the  Company's  consolidated  revenues  were  derived  from  these  other
activities.
    
     The  Company  was  incorporated  under the laws of the State of Delaware on
September 7, 1967. The Company's  principal executive offices are located at 219
South Street,  New  Providence,  New Jersey 07974,  and its telephone  number is
(908) 665-8200.

<PAGE>

                                 USE OF PROCEEDS
   
     The  Company  will not  receive  any of the  proceeds  from the sale of the
Common Stock offered hereby.  All net proceeds from the sale of the Common Stock
will be paid directly to the Selling  Securityholders.  The Company will receive
varying  exercise  prices in connection  with the exercise of the Warrants.  The
Company intends to use the net proceeds, if any, from the exercise of any of the
Warrants to provide  additional funding for product  development,  including the
further  development,  marketing and production of its  IONSCAN[R],  for working
capital and for other  general  corporate  purposes.  The Company  would receive
approximately $881,000 in the aggregate if all of the Warrants were exercised at
their current exercise prices, without adjustment.
    
                             SELLING SECURITYHOLDERS
   
     The 1,178,629 shares of Common Stock registered hereby will be offered from
time to time by the Selling  Securityholders  who are Stanley S. Binder, John H.
Davies, Richard S. Rosenfeld,  Kenneth S. Wood, Helene Hollub, Adam Street Joint
Venture, Richard D. Condon, John J. Harte, John D. Abernathy,  James C. McGrath,
David  Martinak,  Ludo  Daubner,   Herbert  Gardner,  William  Barrett,  Pyramid
Partners,  L.P.,  Special  Situations Fund III, L.P.,  Special Situations Cayman
Fund, L.P., Labco and the Ontario Development Corporation.

     The Company has a 26%  interest in Labco,  a publicly  traded  company that
provides  comprehensive  laboratory-based  analytical and consulting services in
the United States and Mexico, including environmental monitoring and geochemical
analysis  for the  hydrocarbon  and  mineral  exploration  industries.  Prior to
December  1995, the Company owned a controlling  interest in Labco.  In December
1995, the Company sold back to Labco 647,238 shares of Labco's common stock, and
gave Labco a right of first refusal  regarding  the remaining  shares of Labco's
common stock owned by the  Company.  Messrs.  Abernathy,  Condon and McGrath are
directors  of the  Company.  Mr.  Harte serves the Company as a Director and the
Vice President, Special Projects and serves Labco as a Director and the Chairman
of the Board of Labco.  Mr.  Harte also is the  General  Partner of Adam  Street
Joint Venture.  Mr. Davies is a Director and the Executive Vice President of the
Company, and the President and Chief Executive Officer of BRL. Mr. Binder serves
the  Company as  Chairman  of the  Board,  a  Director  and the Chief  Executive
Officer. Mr. Binder also is an independent General Partner of Special Situations
Fund III, L.P. Mr. Rosenfeld is the Company's Vice  President-Finance  and Chief
Financial Officer,  and during the past three years he has served the Company as
the Treasurer and Assistant  Secretary.  Other than as noted above, there are no
material  relationships  between  any of the  Selling  Securityholders  and  the
Company  or any of its  predecessors  or  affiliates,  nor  have  such  material
relationships existed within the past three years.
    

<PAGE>

     The  following  table sets forth  certain  information  with respect to the
Selling Securityholders.

<TABLE>
   
                             TABLE I - Common Stock
                         Ownership as of August 26, 1996

<CAPTION>
                                                                                                              Common Stock
                                                Common Stock                      Maximum                 Beneficial Ownership
             Selling                        Beneficial Ownership                 Amount to                 After Offering if
         Securityholder                    Prior to Offering(1)(2)              be Sold(2)               Maximum is Sold(1)(2)
- ----------------------------------    ----------------------------------     ------------------     --------------------------------

                                           Amount             Percent                                   Amount             Percent
                                       ----------------    --------------                           ----------------     -----------

<S>                                       <C>                   <C>               <C>                   <C>                   <C> 
Stanley S. Binder                         110,386(3)            3.1%              28,636                81,750(19)            2.3%
John H. Davies                             93,295(4)            2.6               30,454                62,841(20)            1.8
Richard S. Rosenfeld                       36,161(5)            1.0               13,636                22,525(21)            *
Kenneth S. Wood                            47,573(6)            1.3                3,636                43,937(22)            1.3
Helene Hollub                              15,000(7)             *                15,000                  --                  *
Adam Street Joint Venture                  15,000(7)             *                15,000                  --                  *
Richard D. Condon                          20,500(8)             *                10,000                10,500(23)            *
John J. Harte                              53,440(9)            1.5               34,090                19,350(24)            *
John D. Abernathy                          22,454(10)            *                10,454                12,000(23)            *
James C. McGrath                           20,500(8)             *                10,000                10,500(23)            *
David Martinak                              1,090(11)            *                 1,090                  --                  *
Ludo Daubner                                4,363(12)            *                 4,363                  --                  *
Herbert Gardner                            18,180(13)            *                18,180                  --                  *
William Barrett                            54,545(14)           1.5               54,545                  --                  *
Pyramid Partners, L.P.                     90,909(15)           2.5               90,909                  --                  *
Special Situations Fund III, L.P.         698,947(16)          20.0              558,561                  --                  *
Special Situations Cayman
  Fund, L.P.                              267,575(17)           7.2              267,575                  --                  *
Barringer Laboratories Inc.                 6,250(18)            *                 6,250                  --                  *
Ontario Development Corp.                   6,250(18)            *                 6,250                  --                  *

</TABLE>
_______________________
*Less than 1%.

(1)  Assumes the full  exercise or  conversion  of all  outstanding  convertible
     securities,  warrants,  rights or options  for such  person or entity.
(2)  Certain  amounts shown are subject to adjustment in certain  circumstances.
(3)  Includes 31,750 shares of Common Stock  issuable  upon  exercise of options
     exercisable  within  60 days of August 26, 1996,  12,500  shares of Common 
     Stock  issuable upon exercise of Warrants and 3,636 shares of Common Stock 
     issuable upon conversion of Debentures. 
(4)  Includes 22,063 shares of Common  Stock issuable upon exercise of options  
     exercisable  within  60  days of August 26, 1996, 12,500  shares of Common 
     Stock issuable upon exercise of  Warrants and 5,454  shares of Common Stock
     issuable  upon  conversion  of Debentures. 
(5)  Includes 22,125 shares of Common  Stock  issuable  upon exercise of options
     exercisable  within  60  days of  August 26, 1996,  5,000 shares of Common 
     Stock  issuable upon exercise of Warrants and 3,636 shares of Common Stock 
     beneficially  owned by Richard  Rosenfeld as custodian for Jason  Rosenfeld
     under the Uniform  Gifts to Minors Act, and  issuable upon conversion  of  
     Debentures.  
(6)  Includes 33,938  shares of  Common  Stock issuable upon exercise of options
     exercisable  within  60  days  of August 26, 1996  and  3,636  shares  of  
     Common  Stock  issuable  upon  conversion  of Debentures.
(7)  Includes  7,500  shares  of  Common   Stock  issuable  upon  exercise  of 
     Warrants.  Mr. Harte,  the General Partner of Adam Street Joint Venture,  
     disclaims any beneficial  ownership of these shares. 
(8)  Includes 6,750 shares of Common Stock issuable upon exercise of options  
     exercisable within 60 days of August 26, 1996 and 8,750 shares  issuable  
     upon exercise of Warrants. 
(9)  Includes 6,750 shares of Common  Stock  issuable  upon exercise  of options
     exercisable  within 60 days of August 26, 1996,  12,500  shares  of  Common
     Stock  issuable upon exercise of Warrants and 9,090 shares of Common Stock 
     issuable  upon  conversion  of  Debentures. 
(10) Includes  6,750  shares  of Common Stock issuable upon exercise of options 
     exercisable  within  60  days of August 26,  1996,  6,250 shares of Common 
     Stock  issuable  upon exercise  of  Warrants  and  5,454  shares of Common
     Stock  issuable  upon conversion  of  Debentures.  
(11) Includes  1,090  shares  of  Common  Stock issuable  upon  conversion  of  
     Debentures.  
(12) Includes  4,363  shares  of  Common  Stock  issuable  upon  conversion of  
     Debentures.
(13) Includes 9,090  shares of  Common  Stock  beneficially  owned  by  Herbert 
     Gardner, IRA, issuable upon  conversion  of Debentures and 9,090 shares of 
     Common Stock beneficially owned by Herbert  Gardner,  Keogh, issuable upon 
     conversion of Debentures.
(14) Includes  54,545  shares  of  Common  Stock  issuable  upon  conversion  of
     Debentures. 
(15) Includes  90,909  shares  of  Common  Stock  issuable  upon conversion  of 
     Debentures. 
(16) Includes  256,667  shares  of  Common  Stock  issuable  upon  exercise of  
     Warrants  and 72,727  shares  of Common  Stock issuable upon conversion of 
     Debentures.  Stanley S. Binder,  an independent General Partner of Special 
     Situations Fund III, L.P.,  disclaims beneficial ownership  of all shares 
     held by Special  Situations  Fund III,  L.P. 
(17) Includes  93,333 shares of Common Stock  issuable upon exercise of Warrants
     and 90,909 shares of Common Stock  issuable upon  conversion of Debentures.
(18) Includes 6,250 shares of Common Stock issuable upon  exercise of Warrants.
(19) Includes 31,750 shares of Common Stock  issuable  upon exercise of options.
(20) Includes  22,063 shares of Common Stock issuable upon  exercise of options.
(21) Includes  22,125  shares of Common Stock issuable upon exercise of options.
(22) Includes  33,938 shares of Common Stock issuable  upon exercise of options.
(23) Includes  3,750 shares of Common Stock  issuable upon exercise of warrants 
     and 6,750 shares of Common Stock  issuable  upon exercise of options.
(24) Includes  6,750 shares of Common Stock issuable upon exercise of options.
    
<PAGE>
                              PLAN OF DISTRIBUTION

     The distribution of the Common Stock by the Selling Securityholders,  or by
the Selling Securityholders'  pledgees,  donees, transferees or other successors
in interest,  may be effected from time to time in one or more  transactions  on
The NASDAQ SmallCap Market, in special offerings,  exchange distributions and/or
secondary  distributions pursuant to and in accordance with the applicable rules
of the  National  Association  of  Securities  Dealers,  Inc.  ("NASD"),  in the
over-the-counter   market,  in  negotiated  transactions   (including,   without
limitation,  privately negotiated transactions),  through the writing of options
on the Common  Stock,  or through the issuance of other  securities  convertible
into shares of the Common Stock  (whether such options or other  securities  are
listed on an options or securities  exchange or otherwise),  or a combination of
such methods of distribution,  at market prices  prevailing at the time of sale,
at prices related to such prevailing market prices or at negotiated prices.

     Any or all of the Common Stock may be sold from time to time to  purchasers
directly  by a Selling  Securityholder.  Sales of Common  Stock also may be made
pursuant to Rules 144,  144A or 904 of the  Securities  Act,  provided  that the
requirements  of such  rules,  including,  without  limitation,  any  applicable
holding  periods  and manner of sale  requirements,  are met.  Alternatively,  a
Selling  Securityholder  may from time to time  offer  any or all of the  Common
Stock  through   underwriters,   dealers,   brokers  or  agents,   including  in
transactions in which any such underwriters,  dealers, brokers or agents solicit
purchasers,  in  block  transactions  or  in  transactions  in  which  any  such
underwriters,  dealers,  brokers,  or agents will attempt to sell such shares of
Common  Stock as an agent  but may  resell  such  shares  of  Common  Stock as a
principal pursuant to this Prospectus.

     Any  underwriters,   dealers,   brokers  or  agents  participating  in  the
distribution of the Common Stock offered hereby may receive  compensation in the
form of underwriting discounts, concessions,  commissions or fees from a Selling
Securityholder and/or purchasers of Common Stock for whom they may act as agents
(which compensation may be in excess of customary  commissions).  In addition, a
Selling  Securityholder  and any such underwriters,  dealers,  brokers or agents
that  participate  in the  distribution  of  Common  Stock  may be  deemed to be
"underwriters" within the meaning of Section 2(11) of the Securities Act and any
commissions  received  by them and any  profit  on the  resale  of shares of the
Common Stock may be deemed to be underwriting  compensation.  Additionally,  the
Selling Securityholders may pledge shares of the Common Stock, and in such event
agents or  dealers  may  acquire  the shares of the  Common  Stock or  interests
therein, and may, from time to time, effect distribution of shares of the Common
Stock or interests in such capacity.

     At the time any  underwritten  or  coordinated  distribution  of the Common
Stock is made, to the extent  required,  a supplement to this prospectus will be
distributed  which will set forth the aggregate number of shares of Common Stock
being offered and the terms of the offering,  including the name or names of any
participating  Selling  Securityholders,  underwriters,  dealers or agents,  any
discounts,  commissions  and  other  items  constituting  compensation  from the
Selling Securityholders and any discounts, commissions or concessions allowed or
reallowed or paid to dealers.

     In  order  to  comply  with  the  securities  laws of  certain  states,  if
applicable,  the Common  Stock will be sold in such  jurisdictions  only through
registered or licensed brokers or dealers.  In certain states,  the Common Stock
may not be sold unless  registered or qualified for sale in such state or unless
an exemption from  registration or  qualification  is available and such sale is
made in compliance with such exemption.

        SECURITIES AND EXCHANGE COMMISSION'S POSITION ON INDEMNIFICATION
   
     Article Tenth of the Company's  Certificate of Incorporation and Section 10
of the Company's  by-laws,  as amended,  provide that the Company shall,  to the
fullest extent  permitted by law,  indemnify  each person  (including the heirs,
executors,  administrators  and other personal  representatives  of such person)
against expenses (including attorneys' fees), judgments,  fines and amounts paid
in  settlement,  actually and  reasonably  incurred by such person in connection
with any  threatened,  pending or actual  suit,  action or  proceeding  (whether
civil,  criminal,  administrative  or  investigative  in nature or otherwise) in

<PAGE>
which such person may be involved by reason of the fact that he or she is or was
a director  or officer of the Company or is serving  any other  incorporated  or
unincorporated  enterprise  in any of  such  capacities  at the  request  of the
Company. Such provisions may provide indemnification to the officers,  directors
or controlling persons of the Company for liability under the Securities Act.
    
     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.

                                  LEGAL MATTERS

     Certain  matters  with  respect to the  validity and legality of the Common
Stock  offered  hereby  have been  passed  upon for the  Company by  Lowenstein,
Sandler, Kohl, Fisher & Boylan, P.A., Roseland, New Jersey.

                                     EXPERTS

     The financial  statements and schedule of the Company  included in the 1995
Form 10-K and  incorporated by reference in this Prospectus and elsewhere in the
Registration  Statement  have been  audited  by BDO  Seidman,  LLP,  independent
certified  public  accountants,  to the extent and for the  periods set forth in
their report  incorporated  herein by reference and are  incorporated  herein in
reliance  upon such report  given upon the  authority of said firm as experts in
auditing and accounting.


<PAGE>
   
No dealer,  salesman or any other person has been authorized
to give any  information or to make any  representations  in
connection  with this offering other than those contained in
this   Prospectus   and,  if  given  or  made,   such  other
information and  representations  must not be relied upon as
having  been   authorized   by  the  Company.   Neither  the    1,178,629 Shares
delivery  of this  Prospectus  nor any sale  made  hereunder
shall, under any circumstances,  create any implication that
there  has been no  change  in the  affairs  of the  Company
since  the date  hereof  or that the  information  contained
herein is  correct  as of any time  subsequent  to its date.
This  Prospectus  does not  constitute an offer to sell or a       BARRINGER 
solicitation  of an  offer  to buy  such  securities  in any     TECHNOLOGIES
circumstances   in  which  such  offer  or  solicitation  is          INC.
unlawful.                                                         Common Stock

    


                                                               ______________

                                                                PROSPECTUS
                                                               ______________

   _____________________

     TABLE OF CONTENTS
   
                               Page                       September 26, 1996


Available Information.............2
Documents Incorporated
  by Reference....................2
Forward-Looking Statements........3
Risk Factors......................4
The Company.......................9
Use of Proceeds...................10
Selling Securityholders...........10
Plan of Distribution..............13
Securities and Exchange ComMission's
  Position on Indemnification.....13
Legal Matters.....................14
Experts  .........................14
    



<PAGE>

                                     PART II

                     Information Not Required in Prospectus

Item 14.  Other Expenses of Issuance and Distribution

     The following table lists the expenses which will be incurred in connection
with the issuance and distribution of the Common Stock being registered.


                                                                     Expense
Registration Fee                                                $  3,425.00
Accounting Fees and Expenses                                       4,500.00
Legal Fees and Expenses                                           16,500.00
Blue Sky Fees and Expenses                                        10,000.00
Printing and Engraving                                               100.00
Miscellaneous                                                        500.00
                                                                  _________
TOTAL                                                            $35,025.00

     All of the above amounts,  other than the  registration  fee, are estimates
only. All of the above expenses will be paid by the Company.

Item 15.  Indemnification of Directors and Officers

     Article Tenth of the Company's  Certificate  of  Incorporation,  as amended
("Certificate of  Incorporation")  and Section 10 of the Company's  by-laws,  as
amended  ("By-laws"),  provide  that the Company  shall,  to the fullest  extent
permitted  by law,  indemnify  each  person  (including  the  heirs,  executors,
administrators  and  other  personal  representatives  of such  person)  against
expenses  (including  attorneys'  fees),  judgments,  fines and amounts  paid in
settlement,  actually and reasonably  incurred by such person in connection with
any  threatened,  pending or actual suit,  action or proceeding  (whether civil,
criminal,  administrative or investigative in nature or otherwise) in which such
person may be involved by reason of the fact that he or she is or was a director
or officer of the Company or is serving any other incorporated or unincorporated
enterprise in any of such capacities at the request of the Company.

     Section 145 of the General Corporation Law of the State of Delaware permits
a  corporation,  under  specified  circumstances,  to indemnify  its  directors,
officers,  employees or agents against  expenses  (including  attorney's  fees),
judgments,  fines  and  amounts  paid in  settlements  actually  and  reasonably
incurred by them in connection  with any action,  suit or proceeding  brought by
third parties by reason of the fact that they were or are  directors,  officers,
employees or agents of the corporation, if such directors,  officers,  employees
or agents acted in good faith and in a manner they reasonably  believed to be in
or not opposed to the best interests of the corporation and, with respect to any
criminal  action or  proceeding,  had no reason to  believe  their  conduct  was
unlawful.  In a  derivative  action,  i.e.,  one  by  or in  the  right  of  the
corporation,  indemnification  may  be  made  only  for  expenses  actually  and
reasonably  incurred by directors,  officers,  employees or agents in connection
with the defense or settlement of an action or suit,  and only with respect to a
matter as to which they  shall  have  acted in good  faith and in a manner  they
reasonably  believed  to be in or not  opposed  to  the  best  interests  of the
corporation,  except that no indemnification  shall be made if such person shall
have been judged  liable to the  corporation  unless and only to the extent that
the  court  in which  the  action  or suit  was  brought  shall  determine  upon
application  that the  defendant  directors,  officers,  employees or agents are
fairly and  reasonably  entitled to  indemnity  for such  expenses  despite such
adjudication of liability.

     Article Tenth of the Certificate of Incorporation also contains a provision
limiting the personal  liability of directors to the fullest extent permitted or
authorized by the GCL or other  applicable  law.  Under the GCL, such  provision
would not limit liability of a director for (i) breach of the director's duty of
loyalty,  (ii) acts or  omissions  not in good  faith or  involving  intentional
misconduct  or  knowing   violation  of  law,  (iii)  payment  of  dividends  or
repurchases or redemptions of stock other than from lawfully available funds, or
(iv) any transactions from which the director derives an improper benefit.

<PAGE>

Item 16.  Exhibits

     The following exhibits are filed as part of this Registration Statement:

   
4.1*    Certificate of Incorporation of the Company, as amended.

4.2**   By-laws of the Company.

5.1     Opinion of Lowenstein, Sandler, Kohl, Fisher & Boylan, P.A.

23.1    Consent of BDO Seidman, LLP.

23.2    Consent of Lowenstein, Sandler, Kohl, Fisher & Boylan, P.A.(included in
        Exhibit 5.1)

24.1*** Power of Attorney (included on signature page).


_________________
*    Incorporated by reference to Exhibit 3.1A to the Company's Annual Report on
     Form 10-K for the fiscal year ended December 31, 1995, File No. 0-3207.

**   Incorporated by reference to Exhibit 3.2A to the Company's Annual Report on
     Form 10-K/A-2 for the fiscal year ended December 31, 1994, File No. 0-3207.

***  Previously filed.
    
Item 17.  Undertakings

     The undersigned registrant hereby undertakes:

     (1) To file,  during any period in which it offers or sells  securities,  a
post-effective amendment to this Registration Statement to:

               (i) Include any prospectus  required by Section  10(a)(3) of the 
     Securities Act;
   
               (ii) Reflect in  the  prospectus  any  facts  or  events  which, 
     individually or together, represent a fundamental change in the information
     in the registration statement. Notwithstanding the foregoing, any increase 
     or decrease in the volume of securities offered (if the total dollar value 
     of securities  offered would not exceed that which was  registered) and any
     deviation from the low or high end of the estimated maximum  offering range
     may be reflected in the form of  prospectus  filed  with  the  Commission  
     pursuant to Rule 424(b) if, in the aggregate,  the  changes in  volume and 
     price  represent no  more than  a  20% change in  the  maximum  aggregate  
     offering price set forth in the "Calculation of Registration Fee" table in 
     the effective  registration statement provided, however,  that  paragraphs 
     1(i)  and  1(ii)  do  not  apply  if  the  registration  statement  is  on 
     Form  S-3  or S-8 and  the information required  to be included in a  post-
     effective  amendment by those  paragraphs is incorporated by reference from
     periodic  reports  filed by the Company  pursuant to Section 13 or Section 
     15(d) of the Exchange Act; and
    
              (iii)   Include any  additional or changed  material  information 
     with respect to the plan of distribution.

<PAGE>

     (2) That, for the purpose of determining any liability under the Securities
Act, each such post-effective amendment 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.

     (3) To remove from registration by means of a post-effective  amendment any
of the securities being registered which remain unsold at the termination of the
offering.

     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.


<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  amendment  to its
registration statement to be signed on its behalf by the undersigned,  thereunto
duly  authorized,  in the  City  of New  Providence,  State  of New  Jersey,  on
September 26, 1996.
    
                                           BARRINGER TECHNOLOGIES INC.


                                           By:  /s/Stanley S. Binder
                                                ________________________
                                                Stanley S. Binder, President and
                                                Chief Executive Officer
   
     Pursuant to the  requirements of the Securities Act of 1933, this amendment
to its  registration  statement has been signed by the following  persons in the
capacities indicated below on September 26, 1996.

Signature                                   Title

/s/ Stanley S. Binder                 President, Chief Executive Officer
___________________________________  (Principal Executive Officer) and Director
Stanley S. Binder  

                    *
___________________________________
 John D. Abernathy                    Director


___________________________________
Richard D. Condon                     Director

                    *
___________________________________
John H. Davies                        Director

                    *
___________________________________
John J. Harte                         Director


___________________________________
James C. McGrath                      Director

/s/ Richard S. Rosenfeld            Vice President-Finance, Chief Financial 
___________________________________ Officer and Treasurer (Principal Accounting
Richard S. Rosenfeld                and Principal Financial Officer)



*By:/s/ Richard S, Rosenfeld 
    _________________________
        Richard S. Rosenfeld
        (Attorney-in-Fact)
    

<PAGE>

   
<TABLE>
<CAPTION>
                                INDEX TO EXHIBITS


<S>               <C>                                                           <C>
Exhibit No.       Description                                                   Page No.

   4.1*           Certificate of Incorporation of the Company, as amended.

   4.2**          By-laws of the Company.

   5.1            Opinion of Lowenstein, Sandler, Kohl, Fisher & Boylan, P.A.

   23.1           Consent of BDO Seidman, LLP.

   23.2           Consent of Lowenstein,  Sandler,  Kohl, Fisher & Boylan,  P.A.  (included in
                  Exhibit 5.1)

   24.1***        Power of Attorney (included on signature page).

</TABLE>
     _________________ 

 *   Incorporated  by  reference  to  Exhibit  3.1A to the Company's  Annual  
     Report on Form 10-K for the fiscal  year ended  December  31, 1995, 
     File No. 0-3207.

**   Incorporated by reference to Exhibit 3.2A to the Company's Annual Report on
     Form 10-K/A-2 for the fiscal year ended December 31, 1994, File No. 0-3207.

***  Previously filed.
    




                                                            Exhibit 5.1


                               September 26, 1996


Barringer Technologies Inc.
219 South Street
New Providence, New Jersey 07974

Dear Sirs:

     In connection  with the  registration  under the Securities Act of 1933, as
amended  (the  "Act"),  of (i) 382,500  shares (the  "Issued  Shares") of Common
Stock, par value $.01 per share (the "Common Stock"), of Barringer  Technologies
Inc.  (the  "Company"),  (ii) 432,500  shares of Common Stock  issuable upon the
exercise of certain  Warrants issued by the Company (the  "Warrants")  (together
with such  indeterminate  number  of  additional  shares of Common  Stock as may
become issuable  pursuant to the anti-dilution  provisions of the Warrants,  the
"Warrant  Shares"),  and (iii) 363,629  shares of Common Stock issuable upon the
conversion of the Company's 6% Subordinated Convertible Debentures due 1997 (the
"Debentures")  (together with such indeterminate  number of additional shares of
Common Stock as may become issuable pursuant to the anti-dilution  provisions of
the  Debentures,  the  "Debenture  Shares"),  we have  examined  such  corporate
records,  certificates  and other documents and such questions of law as we have
considered necessary or appropriate for the purpose of this opinion.

     Upon the basis of the foregoing, we advise you that, in our opinion (i) the
Issued   Shares   are  duly   authorized,   validly   issued,   fully  paid  and
non-assessable,  (ii) when the  Warrant  Shares  have  been  duly  issued by the
Company  upon the due  exercise of the  Warrants so that the number of shares of
Common  Stock  then  outstanding  does not exceed the number of shares of Common
Stock then  authorized,  and the  Company  has  received  payment in full of the
exercise price  therefor,  the Warrant Shares will be duly  authorized,  validly
issued, fully paid and non-assessable,  and (iii) when the Debenture Shares have
been duly issued by the Company upon the due  conversion  of the  Debentures  so
that the number of shares of Common Stock then  outstanding  does not exceed the
number of shares of Common Stock then  authorized,  the Debenture Shares will be
duly authorized, 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 us under the  caption  "Legal
Matters" in the Prospectus. In giving such consent, we do not thereby admit that
we are in the category of persons whose  consent is required  under Section 7 of
the Act.

                             Very truly yours,

                            /s/ Lowenstein, Sandler, Kohl, Fisher & Boylan




                                                                    Exhibit 23.1


                             CONSENT OF INDEPENDENT
                          CERTIFIED PUBLIC ACCOUNTANTS


Barringer Technologies, Inc.
New Providence, New Jersey


We  hereby  consent  to  the  incorporation  by  reference  in  the   Prospectus
constituting a part of this Registration Statement of our report dated March 27,
1996,  relating  to  the  consolidated  financial  statements  and  schedule  of
Barringer  Technologies  Inc.  appearing in the Company's  Annual Report on Form
10-K for the year ended December 31, 1995.

We  also consent  to  the  reference  to  us under the caption  "Experts" in the
Prospectus.


/S/ BDO Seidman, LLP
BDO Seidman, LLP

Woodbridge, New Jersey
September 26, 1996




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