Source and measure 8 thermocouple type devices (J, K, T, E, C, R, S and N),CJC - Cold Junction Compensation function,Palm-sized double molded housing and large dot-matrix backlit LCD,High accuracy calibration function simulates precision thermocouple outputs for use in calibrating thermometers, transmitters, controllers or recorders,Displays output in terms of millivolts or temperature based on thermocouple tables,Zero adjustment, auto zero when power on and change mode