<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-START> MAY-01-2000
<PERIOD-END> JUL-31-2000
<CASH> 703
<SECURITIES> 0
<RECEIVABLES> 2,167
<ALLOWANCES> 0
<INVENTORY> 1,762
<CURRENT-ASSETS> 5,344
<PP&E> 3,825
<DEPRECIATION> 2,244
<TOTAL-ASSETS> 7,827
<CURRENT-LIABILITIES> 2,510
<BONDS> 0
0
0
<COMMON> 5
<OTHER-SE> 4,897
<TOTAL-LIABILITY-AND-EQUITY> 7,827
<SALES> 2,331
<TOTAL-REVENUES> 2,670
<CGS> 1,186
<TOTAL-COSTS> 1,369
<OTHER-EXPENSES> 1,091
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 2
<INCOME-PRETAX> 238
<INCOME-TAX> 83
<INCOME-CONTINUING> 155
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 155
<EPS-BASIC> 0.34
<EPS-DILUTED> 0.34
</TABLE>