Stopwatch/Timers
QRS Calibrations offers high quality stopwatches and timers manufactured by Extech Instruments. All of these digital stopwatches and timers are ISO 9001:2008 certified by TUV. Extech stop watches and timers offer model-specific features including decimal display, HeatWatch, humidity and temperature reading, calendar indicator, and alarms.
Stopwatches and timers measure and indicate intervals of time. The equipment can be instantly stopped or started. These can be used in a wide range of applications including fitness, laboratory, and medical testing.
Extech 365510 Stopwatch/Timers, Digital LCD Stopwatch plus Calendar and Alarm
Extech 365515 Stopwatch/Timers, Digital LCD Stopwatch plus Calendar and Alarm
Extech HW30 Stopwatch/Timers, HeatWatch™ Humidity/Temperature Stopwatch