Traceable® 3-Button Stopwatch

  • The first disposable stopwatch
  • Stopwatch functions: single action timing, time-in/time-out timing, cumulative split timing, continuous timing


# Channels/zones 1
Timing Capacity 23 hours, 59 minutes, 59 seconds
Timing Accuracy 0.01% accuracy
Timing Resolution .01 second
Additional Functions Time-out/Time-in, Continuous Timing, Cumulative Split
Memory N
Count Up/Count Down Count Up
Dimensions 2-1/8″x2-1/8″x5/8″
Supplied With battery, lanyard, Traceable® Certificate




Three-Key Stopwatch is so inexpensive that it’s the first disposable stopwatch. Appropriate for easy-duty, occasional-use needs. At only 7/8 ounces, it’s the lightest of all stopwatches. Wear it around your neck on the lanyard and never know it’s there.

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. Times to 24 hours with a resolution of 1/100 of a second for 30 minutes and 1 second thereafter. It also displays time and date. Provides a sound confirmation each time a key is pressed. Accuracy is 0.1%. Supplied with a Traceable® Certificate, 1-year battery, and lanyard. Size is 2-1/8-inch diameter x 5/8-inch. Replacement battery Cat. No. 1104.

Additional information

Weight 0.054 lbs

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