... , records, calibration, accumulate, alarm functions etc. It can be used to measure the voltage, low current (0-24mA), high current (0 ... RTD), etc. Features:1. Long time record2. USB port connect to PC to browse the recording data, and generation curve, export the file ... voltage etc7. (0~24)mA,(0~600)A output signal to choose;8. Auto power offSpecifications:Temperature (built-in NTC):-30 ...