VWR Water-Resistant Shock-Resistant Waterproof Stopwatch

Fine time-keeping resolution Water-resistant, shock-resistant ABS plastic housing Different models are color-coded for water resistance Traceable® Timing resolution is 0.01 seconds for the first 30 minutes. Housed in a water-resistant/shock-resistant or waterproof/shockproof ABS plastic case. Water-resistant model is black. Waterproof model is yellow in color. Continues timing to 23 hours, 59 minutes, 59 seconds with a 1 second resolution. Accuracy is 0.01%. Modes include single action, time-out, cumulative split, and continuous timing. Displays time-of-day in hours, minutes, and seconds, and features time-of-day alarm. Displays date and day of the week. Tactile-feel with 'click' switches provide positive action. Certifications: A serial numbered certificate is provided from an ISO 17025 calibration laboratory accredited by A2LA to indicate instrument traceability to standards provided by the National Institute of Standards and Technology. Ordering information: Supplied with lanyard, instructions, and two-year, 1.5 V silver-oxide battery.