Withstanding Voltage Tester Dimensions L x W x H: 482 x 330 x 148 mm Insulation: 1...50000 MOhm Weight: 27 kg Display: LCD Electrical supply: 110 VAC / 230 VAC Interfaces: RS232 / USB / IEEE-488 (Optional) Measuring function: Withstanding Voltage Tester / Insulation tester Test voltage: 50 VDC / 100 VDC / 250 VDC / 500 VDC / 1000 VDC