Ground Earth Testers

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  1. Extech 382252 Earth Ground Resistance Tester Kit

    £170.95

    £205.14

    • Large dual display with backlight
    • Test Hold function for easy operation
    • Automatic Zero adjustment
    • AC/DC Voltage, Resistance, and Continuity
    Learn More
  2. Extech 382357 Clamp-On Ground Resistance Tester

    £968.95

    £1,162.74

    • Autoranging ground resistance measurements from 0.025Ohm to 1500Ohm with 0.002Ohm resolution
    • True RMS AC Leakage current range of 0.2mA to 30A with 1.000mA resolution
    • Programmable Datalogging with 116 data points
    • Programmable Hi/Lo Alarm
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