s Signal Source Calibrator                Features:                 1 output of the basic accuracy of 0.02%, the output is displayed as 6                 2 output function:                 DC voltage, DC current, Ohm, analog transmitter, thermocouple, RTD, frequency, pulse, switch                 3 DC current output, can provide 25% and 100% of the manual step, automatic stepping and automatic ramp output                 4 thermocouple output, can provide high-precision automatic cold junction compensation, & 8451; or & 8457; temperature display                 5 can be equipped with high-precision temperature probe, accuracy: ± 0.2 & 8451;                 6 large screen LCD multiple data display, can simultaneously display: DC current and% value, thermocouple, thermal resistance temperature value and its corresponding index value                 7 operating performance superior keyboard configuration, output set up and down keys and LCD display settings corresponding to the bit                 8 panel calibration technology, without having to open the case can be calibrated                 9 with white LED backlight, with automatic backlight off and automatic power off, suitable for field use                    Specifications:                      Notes:the package not included batteries                       Pictures for reference only.