The Triplett PCAL100 Multifunction Process Calibrator combines voltage, resistance, and temperature process functions in one unit for a wide range of industrial applications. It features source and measure accuracy up to 0.05%, 2-, 3- and 4-wire resistance and thermal resistance (RTD) measurement and can measure and source 11 Thermocouple and 5 RTD types. Additional features include adjustable temperature compensation, built-in flashlight, and auto power off to conserve battery life. Includes test leads, thermocouple adapter, (3) AA batteries, and latch key (for opening battery door). 1-year warranty.