... ,USB Shockproof case Product Features:-Test three phase resistance at the same time, Automatic calculation of three-phase unbalanced rate-Automatic selection of the ... , automatic selection as per test range -Test Voltage:24Vdc -Input, AC 220V±10%,50Hz±1 Hz, fuse,2A -Working temperature: 0 ... dew -Size :410mm×330mm×190mm -Weight: 10 Kg TO713 10A Three Phase Transformer Ohmmeter