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LCD Digital stopwatch reads time up to 24 hours. Accuracy is 0.003 percent. Utility unit has complete stopwatch functions and full chronograph features. In the stopwatch mode it provides single action, time out, cumulative split, and continuous timing. Resolution is to 0.01 second. 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). The extra large display is 3/8" for ease in reading. Shows times to 29 minutes, 59 seconds, 99 hundredths. For times exceeding half an hour, the unit automatically goes into an expanded range and times up to 23 hours, 59 minutes, and 59 seconds. As a chronograph, the unit displays time of day in hours, minutes, and seconds, AM/PM, date, and day of the week. Also has a time of day alarm. Extra tough ABS plastic shockproof construction makes the unit ideal for lab and plant use. Measures 2-3/8" diameter by 5/8" depth. Weight is 1-1/2 ounces. Comes complete with 2-year, replaceable silver-oxide battery and lanyard.

Thomas 1047 ABS Plastic Traceable LCD Big Digit Stopwatch Chronograph with 3 8" Extra Large Display 0.003 Percent Accuracy 2-3 8" Width x 5 8" Thick - B0TPVCU8S