Traceable Three-Button Stopwatch

The first disposable stopwatch
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.

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). Times to 24 hours with a resolution of 1/100 of a second for 30 minutes and 1 second thereafter. Functions are single-action, time-out, cumulative-split, and continuous roll over timing. 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.

Instruction Manual