Filter by Product All MULTIMETER CLAMP METER INSULATION TESTER EARTH TESTER POWER METER LOGGER CLAMP METER All AC CLAMP METER AC/DC CLAMP METER LEAKAGE CLAMP METER FORK CURRENT TESTER DC MILLIAMP CLAMP METER DC MILLIAMP CLAMP LOGGER DIGITAL MULTIMETER AC/DC CLAMP SENSOR CLAMP POWER METER How does a clamp meter measure current? It detects the magnetic field around a conductor and converts it to a current reading. If you cannot find the answer on the FAQ pages, please contact us from here.