Earth & Ground Resistance Testers

Earth and ground resistance testers are essential electrical instruments used to ensure the grounding resistance of appliances and equipment is sufficient. Ground and earth meters are vital for ensuring a safe path to earth is established, in case of utility over voltage or lightning strike.

What types of testers are available?

Ground and earth testers are available in a variety of formats including

  • Clamp
  • Desktop
  • Handheld
  • Plug in

Why is grounding important?

Testing the earth resistance of an appliance is an important test and measurement procedure as it ensures appliances are safe to use and also stabilises voltage levels. Grounding also prevents the risk of injury or death from a sudden over voltage or fault.

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Description Price Absolute Maximum Resistance Measurement Calibrated Best Accuracy Display Type Safety Category Battery Life Battery Type Power Source Dimensions Weight Height Includes Length Maximum Operating Temperature
RS Stock No. 447-7779
Mfr. Part No.P01126501
1.999kΩ - ±2% + 3 Digits LCD - - AA, Rechargeable NiMH Battery 273 x 247 x 127mm 2.8kg 127mm Battery, User Manual 273mm -
RS Stock No. 705-9286
Mfr. Part No.P01126506
99.99kΩ - - LCD CAT IV 50 V - - Battery 272 x 250 x 128mm 3kg 128mm Label, Mains Charger, Software, User Manual 272mm -
RS Stock No. 447-7785
Mfr. Part No.P01126502
1.999kΩ - ±2% + 3 Digits LCD - 6 h Rechargeable NiMH Battery, Mains 273 x 247 x 127mm 3.3kg 127mm Mains Lead, User Manual 273mm -