... ,USB Shockproof case Product Features:-Test three phase resistance at the same time, Automatic calculation of three-phase unbalanced rate-Automatic selection of the ... : -Range,0~100Ω,accuracy, 0.2%±0.2μΩ,resolution, 0.1μΩ -Test current,0~10A, automatic selection as per test range ... -Test Voltage:24Vdc -Input, AC 220V±10%,50Hz±1 Hz, fuse,2A -Working temperature: 0 ° C to 40 ° C ...