Stopwatch times to 9 hours, 59 minutes, 59 seconds, 99 hundredths. Accuracy is to 0.001%. Three-line display simultaneously shows running time, cumulative split, and interval split. Sixty memories recall all splits, display sample numbers 1-60, and show interval split longest, shortest, and average times.

Provides repeat functions of countdown alarm timing. Set it to count down at any time from 10 hours to 1 second. When zero is reached, the timer alarms and begins to count down again from the programmed time. Repeat cycle continues automatically until stopped. As a chronograph, the stopwatch displays time of day, 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 Traceable Certificate, battery, and lanyard.