... at the same time, Automatic calculation of three-phase unbalanced rate-Automatic selection of the output current, the max. value can reach up ... ~100Ω,accuracy, 0.2%±0.2μΩ,resolution, 0.1μΩ -Test current,0~10A, automatic selection as per test range -Test Voltage ... dew -Size :410mm×330mm×190mm -Weight: 10 Kg TO713 10A Three Phase Transformer Ohmmeter