The EXTECH PRC30 is a Multifunction Process Calibrator. This calibrator provides precision sourcing and measurements for thermocouples (eight types), current (mA), and voltage (mV and V) devices. Featuring 24 volt loop power, five user adjustable calibration presets, and temperature output in Fahrenheit, Celsius, and millivolts. Product includes test leads, alligator clips, thermocouple calibration cable, universal calibration cable, 100-240V AC universal adapter with 4 plugs, AA batteries, hard case, and user manual.