Voltage Range 1000V Insulation Range 200MOhm DENKO ABS Battery Operated 1000V Insulation Tester is perfect for testing the insulation of your electrical wiring. It has a 200MOhms resistance and can test up to 1000V. It comes with a 1 year manufacturer warranty and is calibrated to industrial standards. Working principle includes, A push pull oscillator is used to convert DC voltage to AC, which is stepped up and further rectified to give the test voltage which is DC. A sensitive movement is used to detect the change in current due to insertion of resistance in the circuit
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