<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Bioanalytical Systems, Inc. consolidated financial statements contained in the
company's annual report on Form 10-K and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<CIK> 0000720154
<NAME> Bioanalytical Systems, Ltd.
<MULTIPLIER> 1000
<S> <C> <C>
<PERIOD-TYPE> 3-MOS YEAR
<FISCAL-YEAR-END> SEP-30-2000 SEP-30-2000
<PERIOD-START> JUL-1-2000 OCT-1-1999
<PERIOD-END> SEP-30-2000 SEP-30-2000
<CASH> 478 478
<SECURITIES> 0 0
<RECEIVABLES> 3,128 3,128
<ALLOWANCES> 0 0
<INVENTORY> 2,235 2,235
<CURRENT-ASSETS> 6,620 6,620
<PP&E> 18,913 18,913
<DEPRECIATION> 5,538 5,538
<TOTAL-ASSETS> 26,662 26,662
<CURRENT-LIABILITIES> 5,689 5,689
<BONDS> 0 0
0 0
0 0
<COMMON> 1,011 1,011
<OTHER-SE> 15,051 15,051
<TOTAL-LIABILITY-AND-EQUITY> 26,662 26,662
<SALES> 2,147 8,224
<TOTAL-REVENUES> 5,235 19,223
<CGS> 817 2,974
<TOTAL-COSTS> 3,199 12,219
<OTHER-EXPENSES> 2,143 8,196
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> (177) (554)
<INCOME-PRETAX> (370) (1,813)
<INCOME-TAX> 75 (431)
<INCOME-CONTINUING> (444) (1,382)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (444) (1,382)
<EPS-BASIC> (.10) (.30)
<EPS-DILUTED> (.10) (.30)
</TABLE>