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Traceable® 300-Memory Stopwatch


Three-line display simultaneously shows running time, cumulative-split, and interval-split. Can recall up to 300 memories both during and after event timing. 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. This repeat cycle continues automatically until stopped. Display always shows running time remaining to zero and cycles counted from 1 to 300. Features also include functions of pacer, stroke, and speed calculations. 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.

  • Features water-resistant, 300 memories, count up/down, repetitive programmable countdown alarm, alarm, clock
  • Stopwatch functions include single-action, time in/out, continuous timing, cumulative split, interval split
  • Unit recalls 300 memories and displays sample numbers 1 through 300
  • Interval split shows longest, shortest and average times

Water-resistant, O-ring-sealed, and shock-resistant ABS plastic case has non-skid rubber sides - ideal for lab and plant use.

An individually-numbered Traceable® Certificate provided with each unit, assures accuracy from our ISO/IEC 17025:2017 (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.

Part Number: 1052
Attribute nameAttribute value


Time Range :9 hours, 59 minutes, 59 seconds, 99 hundredths
Time Resolution :0.01 second
Time Accuracy :0.001%
Dimensions LxWxH :3" x 2½" x ⅞"
Weight :2.5 oz