Greenlee CMGRT 100A Ground Resistant

Ground Resistance Tester


IMPROVE SAFETY. MAXIMIZE PRODUCTIVITY. INCREASE PERFORMANCE.

    Measure the earthing circuit performance without disrupting services. Fast and accurate “Stakeless method” to measure earth resistance compared to Fall-of Potential (FOP) test. Includes customizable audio-tone and visual alarms with three user-defined settings for impedance, voltage and current to increase operators’ performance.


  • Reads earth resistance down to 0.10 Ω
  • Fully auto-ranging with data hold to capture readings
  • Accessories included: molded carrying case, 4 x AA Batteries and calibration verification loop
  • Impedance function capable of testing 4 separate frequencies (50Hz, 60Hz, 128Hz, & 2083Hz)

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