Timer counts down from 99 minutes, 59 seconds in second increments with 3- button ease and big-digit visibility. Automatic memory resets the display to the last programmed time‚Äîideal for repetitive tests. Quartz-crystal accuracy is 0.01%. To assure accuracy an individually serial- numbered Traceable® Certificate is provided from the manufacturer's ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability to standards provided by NIST (National Institute of Standards and Technology). Three-quarter-inch-high digits are readable from 20 feet. Alarm sounds for 30 seconds. Size is 2-1/2 x 2-1/2 x 1/2 inches. Weight is 2 ounces. Supplied with 2-year AAA battery, magnet, stand, clip, and Traceable® Certificate. Replacement battery Cat. No. CON1105.
