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There are 3 terminals of an Earth Tester meter. Connect two terminals of meter to earth as far as cables can. Fix the two rods in to soil with the help of a small Hammer. Then connect two knobs of the meter with these rods.Connect the third terminal to the Earth Pit,to whom earth resistance is to be measured. The meter reading will indicate the resistance of the earth pit.The Best resistance of an earth pit must be under unity(<1).
Answer BY: Naeem Ahmad Electrical Engineer.
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ReneAn Earth resistance meter works by sending a small electrical current through the ground using test leads or probes. The meter measures the voltage drop across the ground to determine the resistance of the earth. Lower resistance values indicate better grounding systems, which is important for safety in electrical systems.
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