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The Earth Ground Resistance Tester from Extech is a versatile tool designed for accurate testing of earth ground resistance in various settings. With an impressive range of 0.002k ohms to 2k ohms, this device offers unparalleled precision and accuracy in measurements. It operates at 820 Hz with an operating current of 2mA, making it suitable for both residential and commercial applications. Its lightweight design makes it easy to carry around while its rechargeable battery feature ensures long hours of use. The unit is perfect for electricians, maintenance personnel or anyone who needs to ensure proper grounding in their workspace. Invest in this reliable Earth Ground Resistance Tester and avoid potential hazards that could result from improper grounding.