Sper Scientific 810022C Large Display Stopwatch, NIST Certificate of Calibration
Large Display Digital Stopwatch
Large LCD for good visibility. Rugged ABS plastic case. Built-in stand. Counts to 24 hours in 1/100th second resolution for the first 30 minutes. Split interval, clock, and calendar functions. Comes with leatherette case and a "AA" battery. N.I.S.T. traceable certificate of compliance available.
Dimensions: 3¾" x 2½" x ¾"
Weight: 2.6 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.