... 40000 4.224*172*59mm 5.auto range I.Multi-Function Process CalibratorII.Brief Introduction1. Measure V, mA, Ω, frequency, temperature, ... and output echelon voltage and current3. With PC photoelectricity interface, transfer the results to a PC, save and print transfered data ... source two functions, show and control in double display5. 32 function keys and numeric keys, setup and modify source value by ...