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OhmKart

Earth Resistance Testers

Earth testers measure how well an earth electrode connects to the ground. A good earth pit protects people and equipment during a fault, and the reading is a routine requirement for substations, factories and buildings.

  • Earth pits and electrodes
  • Substations
  • Factories and buildings
  • Soil resistivity

How to choose.

Still unsure? Call us and describe the job, and we will point you to the right model.

  1. 1

    3-terminal or 4-terminal

    Three terminals are enough for a standard earth pit. Four terminals let you also measure soil resistivity, which helps when you are designing a new earthing system.

  2. 2

    Spikes and leads matter

    The reading depends on the auxiliary spikes and leads. Confirm what is supplied with the tester before you order.

  3. 3

    Analog or digital

    Analog earth testers are hand-cranked and need no batteries. Digital models are quicker to read and easier to repeat.

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