Filter by Product All MULTIMETER CLAMP METER INSULATION TESTER EARTH TESTER POWER METER LOGGER EARTH TESTER All SIMPLIFIED EARTH TESTER EARTH CLAMP TESTER What is an earth tester used for? It measures the earth resistance (grounding resistance) of electrical installations. Why is earth resistance important? Low earth resistance ensures safety by allowing fault current to flow safely to the ground. If you cannot find the answer on the FAQ pages, please contact us from here.
