Measure total earthing resistance (RA) with 3 or 4-pole Fall of Potential method, selective earth resistance measurement and 4-pole soil resistivity testing (0.001 ohm to 19.99 k ohm). Stakeless ground loop measurements (0.001 ohm to 199.9 ohm). Includes automatic frequency control to minimise interference effects. Battery powered.
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Instructional video for the Fluke 1625 GEO Earth Ground Tester
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