412400 Multifunction Process Calibrator sources and measures Thermocouples (J, K, and T), mA, mV, and V devices. The 24V Loop Supply drives current loads up to 1000 ohms. Memory for 5 user settable output values of each type for fast calibrations. Single/continuous step function for Voltage and Current. Comes complete with six AA batteries and calibration cable with spade lug terminals.