Thomas 1035 ABS Plastic Traceable Countdown Stopwatch, 0.001 Percent Accuracy, 2-1/2" Diameter x 5/8" Depth

Unique stopwatch provides countdown and alarm timing in preprogrammed increments of 1, 2, 3, 5, 10, 12, 15, 20, 25, 30, 35, 40, 45, 50, 55, and 60 minutes. Display continually shows running time remaining to zero. When zero is reached, timer sounds an alarm for 5 seconds. Stopwatch mode times to 10 hours with 1/100 second resolution. Accuracy is 0.01%. Stopwatch functions include single action, time in/out, cumulative/interval split, 8 recallable memories, and continuous timing. Manually set it to count down at any time from 99 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. The ideal stopwatch to dedicate to an analysis that must be noted at routine intervals. The dual display timer mode can be used in three ways: Two simultaneous countdown alarm timers, two individual countdown alarm timers and two independent count up timers. This unit also has a pacer. To assure accuracy an individually serial numbered Traceable Certificate is provided from our ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability to standards provided by NIST (National Institute of Standards and Technology). Extra tough ABS plastic shockproof construction is perfect for use in the lab or field. Measures 2-1/2" diameter by 5/8" depth, and weight is 1-1/2 ounces. Supplied with battery, Traceable Certificate, and lanyard.