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 pointer does not move to zero even by the zero ohm adjustment knob. The readings do not vary when the test is on. The readings vary at the DC voltage range when the test is off. When the power is tuned on, nothing is displayed in the LCD. 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. CLAMP METER All AC CLAMP METER AC/DC CLAMP METER LEAKAGE CLAMP METER FORK CURRENT TESTER DC MILLIAMP CLAMP METER DC MILLIAMP CLAMP LOGGER When the power is tuned on, nothing is displayed in the LCD. INSULATION TESTER All DIGITAL INSULATION / CONTINUITY TESTER HIGH VOLTAGE INSULATION TESTER When the power is tuned on, nothing is displayed in the LCD. EARTH TESTER All EARTH TESTER SIMPLIFIED EARTH TESTER EARTH CLAMP TESTER EARTH RESISTANCE & RESISTIVITY TESTER When the power is tuned on, nothing is displayed in the LCD. If you cannot find the answer on the FAQ pages, please contact us from here.