Times to 24 hours. Timing resolution is 1/100 of a second for the first 30 minutes, continues timing to 23 hours, 59 minutes, 59 seconds with a 1-second resolution. Accuracy is 0.001% regardless of resolution. Largest stopwatch digits (1/2-inch-high) provide ease in reading. Water-resistant, O-ring-sealed, and shock-resistant ABS plastic case has non-slip rubber sides—ideal for lab and plant use. As a chronograph, the unit displays time of day in hours, minutes, and seconds, AM/PM, date, and day of the week. It also has a time-of-day alarm.

An individually-numbered Traceable Certificate provided with each unit, assures accuracy from our ISO/IEC 17025:2005 (1750.01) calibration laboratory accredited by A2LA.  It indicates traceability of measurements to the SI units through NIST or other recognized national measurement institutes (NMI) that are signatories to the CIPM Mutual Recognition Agreement.

Supplied with hook and loop tape, Traceable Certificate, battery, lanyard, and clip.