Waterproof to three atmospheres
O-ring-sealed and shock-proof ABS plastic case is ideal for lab and plant use. Unit is waterproof to three atmospheres. Tactile-feel, click switches provide a positive action. 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).
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. Accuracy is 0.01%. Digits are 1/4-inch-high. Stopwatch is 2-1/8 x 2-3/8 x 1/2 inches and weight is 1 ounce. Supplied complete with 2-year always-on battery and lanyard.