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The ability to properly measure ground resistance is essential in preventing costly downtime due to service interruptions caused by poor grounds. The Fall-of-Potential (3-point) test method measures the ability of an earth ground system or an individual electrode to dissipate energy from a site and is the most thorough and reliable test method.
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The Ground Resistance Tester Model 6471 is a portable, versatile instrument for measuring ground resistance, bond/connection resistance, and soil resistivity plus clamp-on testing. It features auto-ranging, a large LCD for clear readings, and is CAT IV rated to 50 V with over-voltage protection. Housed in a durable, dust and water-sealed case, it operates on rechargeable NiMH batteries and includes an external charger. Ideal for maintenance crews, it meets IEC standards for shock, vibration, and drop tests, and its adjustable test frequency ensures accurate results even under challenging conditions.
