The ACA60 multi-function calibrator can be used to calibrate and maintain industrial thermodynamic instruments. It has functions for output, measurement, temperature query and 24VDC power supply. It can check and calibrate sensors, transmitters, displays and control systems on site. It has a large backlit LCD display and can source and read mA, mV, V, Ohms, RTD, frequency and thermocouples. It is compact, portable and battery powered for at least 6 hours of continuous use.