High Voltage Insulation Meter Megohmmeter Short-circuit current: 3 mA; Testing voltage; 250V~5KV; Insulation 5T 5T Ohm 5KV High Voltage Insulation Meter Tester Megohmmeter YH510 FeaturesChecking the insulation of high- voltage electrical equipment(electric motor, transformer and cable, etc)Test Voltage from 250V~ 5000V. Insulation Resistance up to 5T Ω. Short Current up to 3mA. Auto calculate PI ...