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Traceable digital stopwatch. Precise, Traceable timing for enzyme tests, viscosity measurements, animal studies, and all timed lab tests. Made for scientists in industrial, educational, hospital, and governmental labs who insist on the finest instrumentation. Engineered for ease of operation, accuracy, and reliability. Traceable to NIST for accuracy. 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). Quartz crystal design is accurate to 0.0005 percent over 100 times more accurate than other stopwatches. Ten hour timing. Functions include single action, time out, interval split, cumulative split, continuous roll over timing, and countdown alarm timing. Resolution is 0.01 second. Times to 9 hours, 59 minutes, 59 seconds, and 99 hundredths. Vivid, 1/2 inch high LCD digits are ideal for viewing in lab and field. Tough, water resistant ABS plastic case features tongue and groove craftsmanship and O-ring construction to seal out moisture, dust, and fumes encountered in harsh lab, plant, or field environments. Measures 3" length by 2-1/2" width by 3/4" thick. Weight is 2 1/2 ounces. Lanyard is 48 inches. Supplied with individually serial numbered Traceable Certificate. Tongue and groove craftsmanship. 25/64 inch high LCD digits.

Thomas 1030 ABS Plastic Traceable Digital Stopwatch with 25 64" High LCD Digits 0.0005 Percent Accuracy 3" Length x 2-1 2" Width x 3 4" Thick - B3OK19JUQ