<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
unaudited Novametrix Medical Systems Inc. Condensed Consolidated Statements of
Operations for the six months ended November 2, 1997 and the Condensed
Consolidated Balance Sheets at November 2, 1997, and is qualified in its
entirety by reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          MAY-03-1998
<PERIOD-END>                               NOV-02-1997
<CASH>                                         303,466
<SECURITIES>                                         0
<RECEIVABLES>                                7,012,292
<ALLOWANCES>                                 (250,000)
<INVENTORY>                                  7,419,247
<CURRENT-ASSETS>                            17,315,433
<PP&E>                                       8,045,161
<DEPRECIATION>                             (5,679,620)
<TOTAL-ASSETS>                              25,939,888
<CURRENT-LIABILITIES>                        2,932,282
<BONDS>                                        102,510
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        87,390
<OTHER-SE>                                  22,817,706
<TOTAL-LIABILITY-AND-EQUITY>                25,939,888
<SALES>                                     14,872,421
<TOTAL-REVENUES>                            14,872,421
<CGS>                                        6,392,882
<TOTAL-COSTS>                                6,392,882
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             104,332
<INCOME-PRETAX>                              1,597,646
<INCOME-TAX>                                   447,000
<INCOME-CONTINUING>                          1,150,646
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 1,150,646
<EPS-PRIMARY>                                      .13
<EPS-DILUTED>                                      .13