FAQs Filter by Free word/Model name Search View All Filter by Product MULTIMETER CLAMP METER INSULATION TESTER EARTH TESTER POWER METER LOGGER MULTIMETER All ANALOG MULTIMETER DIGITAL MULTIMETER DIGITAL MULTIMETER WITH AC/DC CLAMP SENSOR The readings do not vary when the test is on. The readings vary at the DC voltage range when the test is off. The pointer does not move to zero even by the zero ohm adjustment knob. The pointer moves abnormally. Unable to measure the resistance. Unable to measure the current. The pointer does not deflect. (=Unable to measure.) CLAMP METER All AC CLAMP METER AC/DC CLAMP METER LEAKAGE CLAMP METER FORK CURRENT TESTER DC MILLIAMP CLAMP METER DC MILLIAMP CLAMP LOGGER INSULATION TESTER All ANALOG INSULATION TESTER ANALOG INSULATION / CONTINUITY TESTER DIGITAL INSULATION / CONTINUITY TESTER HIGH VOLTAGE INSULATION TESTER EARTH TESTER All EARTH TESTER SIMPLIFIED EARTH TESTER EARTH CLAMP TESTER EARTH RESISTANCE & RESISTIVITY TESTER The pointer does not deflect. (=Unable to measure.) POWER METER All POWER METER LOGGER All CURRENT & VOLTAGE LOGGER CURRENT LOGGER LEAK LOGGER If you cannot find the answer on the FAQ pages, please contact us from here.