<TABLE> <S> <C>

<ARTICLE>                     5
<LEGEND>
                                         THE SCHEDULE CONTAINS SUMMARY FINANCIAL
                                     INFORMATION EXTRACTRD FROM THE CONSOLIDATED
                                   FINANCIAL STATEMENTS AND ITS QUALIFIED IN ITS
                                         ENTIRETY BY REFERENCE TO SUCH FINANCIAL
                                                                      STATEMENTS
</LEGEND>
<RESTATED>
<CIK>                                                                     724904
<NAME>                                            ARIZONA INSTRUMENT CORPORATION
<MULTIPLIER>                                                                   1
<CURRENCY>                                                          U.S. DOLLARS

<S>                                         <C>                  <C>                  <C>
<PERIOD-TYPE>                                     3-MOS                6-MOS                 9-MOS
<FISCAL-YEAR-END>                           DEC-31-1997          DEC-31-1997           DEC-31-1997
<PERIOD-START>                              JAN-01-1997          JAN-01-1997           JAN-01-1997
<PERIOD-END>                                MAR-31-1997          JUN-30-1997           SEP-30-1997
<EXCHANGE-RATE>                                       1                    1                     1
<CASH>                                          174,285              189,330               275,345
<SECURITIES>                                          0                    0                     0
<RECEIVABLES>                                 3,799,648            5,294,498             3,109,785
<ALLOWANCES>                                    152,841              162,173               568,024
<INVENTORY>                                   2,045,755            2,597,970             2,858,223
<CURRENT-ASSETS>                              6,172,947            8,240,881             5,848,749
<PP&E>                                        3,041,318            3,287,791             3,355,977
<DEPRECIATION>                                2,444,489            2,480,137               2520247
<TOTAL-ASSETS>                               10,937,862           13,025,968            10,768,424
<CURRENT-LIABILITIES>                         2,100,670            4,200,862             3,251,766
<BONDS>                                       2,100,670              169,817               163,407
<PREFERRED-MANDATORY>                                 0                    0                     0
<PREFERRED>                                           0                    0                     0
<COMMON>                                         67,109               67,259                67,684
<OTHER-SE>                                            0            8,588,030             7,285,567
<TOTAL-LIABILITY-AND-EQUITY>                          0           11,024,164            10,768,424
<SALES>                                       3,219,880            7,285,821            10,364,558
<TOTAL-REVENUES>                              3,224,674            7,290,498            10,373,005
<CGS>                                         1,384,953            3,398,989             5,257,138
<TOTAL-COSTS>                                 1,601,686            3,423,570             5,974,936
<OTHER-EXPENSES>                                      0                    0                     0
<LOSS-PROVISION>                                      0                    0                     0
<INTEREST-EXPENSE>                               24,997               26,240                46,946
<INCOME-PRETAX>                                 203,450              213,250            (1,373,953)
<INCOME-TAX>                                     80,890              155,928              (362,052)
<INCOME-CONTINUING>                             122,560              260,772              (595,200)
<DISCONTINUED>                                  (41,883)             (99,459)             (599,298)
<EXTRAORDINARY>                                       0                    0                     0
<CHANGES>                                             0                    0                     0
<NET-INCOME>                                     80,677              161,312            (1,194,499)
<EPS-PRIMARY>                                      0.01                 0.01                  0.18
<EPS-DILUTED>                                      0.01                 0.01                  0.18


</TABLE>