Sper Scientific 810024RC Count Up/Count Down Timer 99 Min, NIST Certificate of Calibration
Digital Count Up / Countdown Timer - 99 Minute
Numeric keypad allows for fast programming. Counts up or down for 99 minutes in intervals of 1 second. Has a built in stand, pocket clip, and magnet. Button cell battery included. N.I.S.T. traceable certificate of compliance available.
Dimensions: 2½ x 2â¬â¡¬¨√°¥¬¨√°°¡¢¡¬¨√°°¡¢ x ¾"
Weight: 1.4 oz
Comes with a NIST certificate of calibration. The NIST certificate specifies that the standards against which the product has been certified or calibrated were themselves calibrated by the National Institute of Standards and Technology (N.I.S.T.), or with N.I.S.T. calibrated equipment under conditions specified by N.I.S.T.