The Wahl T150 is a highly accurate all-in-one temperature calibration solution for thermocouple, RTD, and thermistor thermometers. Featuring two channels, configurable for IN / IN or IN / OUT settings allows comparison of calibration and temperature differential measurement. Simulate temperature on the OUT channel to control temperature recorders, indicators, hand-held thermometers and more. Integrated process functions make it the perfect device for maintenance, quality control and sensor calibration.