... Max 40000 4.224*172*59mm 5.auto range I.Multi-Function Process CalibratorII.Brief Introduction1. Measure V, mA, Ω, ... With PC photoelectricity interface, transfer the results to a PC, save and print transfered data and data ... functions, show and control in double display5. 32 function keys and numeric keys, setup and modify source ... + 100.1% + 100.05Hz0.5Hz2Hz0.3% + 1°C Multi-Function Process Calibrator