<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED NOVAMETRIX MEDICAL SYSTEMS INC. CONDENSED CONSOLIDATED STATEMENTS OF
INCOME FOR THE NINE MONTHS ENDED JANUARY 30, 2000 AND THE CONDENSED CONSOLIDATED
BALANCE SHEETS AT JANUARY 30, 2000, AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          APR-30-2000
<PERIOD-END>                               JAN-30-2000
<CASH>                                         224,531
<SECURITIES>                                         0
<RECEIVABLES>                               15,531,299
<ALLOWANCES>                                 (300,000)
<INVENTORY>                                 10,906,140
<CURRENT-ASSETS>                            27,520,436
<PP&E>                                      11,606,528
<DEPRECIATION>                             (8,073,635)
<TOTAL-ASSETS>                              46,804,506
<CURRENT-LIABILITIES>                       12,142,950
<BONDS>                                      8,490,983
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        94,236
<OTHER-SE>                                  26,076,337
<TOTAL-LIABILITY-AND-EQUITY>                46,804,506
<SALES>                                     30,360,284
<TOTAL-REVENUES>                            30,360,284
<CGS>                                       12,794,919
<TOTAL-COSTS>                               12,794,919
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             756,322
<INCOME-PRETAX>                              2,120,771
<INCOME-TAX>                                   679,100
<INCOME-CONTINUING>                          1,441,671
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                    (223,544)
<NET-INCOME>                                 1,218,127
<EPS-BASIC>                                        .15
<EPS-DILUTED>                                      .15