Sper Scientific 810029RC 8 Memory Stopwatch, NIST Certificate of Calibration
Digital Count Up / Countdown Timer and Stopwatch
Counts up or down for 100 hours in intervals of 1 second. In count down mode unique feature tells you how much time has elapsed after the alarm sounds. Memory allows repeat of just completed cycle. Alarm clock mode. Has a built-in stand, pocket clip, and magnet. A button cell battery is included. N.I.S.T. traceable certificate of compliance available.
Dimensions: 2¾" x 2¼" x ¾"
Weight: 2.7 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.
