Earth impedance testers

... electrical equipment and other earth resistance, earth voltage measurement. Also called: Precision Ground Resistance tester Four-wire Ground Resistance Tester Two/three/four ...

HDJD-470 Earth resistance tester is specially designed and manufactured for ground resistance, The testing current reaches 20mA. The digital and micro-processing technology, precision 3-wire method and ...

... community. All British Standard Tester ER models (ER-80A / 80M / 81 / 82M / 83A) can perform Earth resistance tests (using the 2, 3 & 4 terminals rod method) to determine the connection from equipment ...

... Then connect the crocodile clip to earth and place the 740 on the surface to be tested. Press the button the reading is resistance to ground in Ohms. Automatic ranging. Supplied with carrying case, battery and earth ...

Measurement range: Earth resistance:10/100/1000Ω Earth voltage:30V AC(5KΩ/V approx.) ﹒Accuracy Earth resistance:Within±5% of full scale Earth ...

... ■AC 30V range to avoid indication errors caused by leak current ■Power saving design with push switch ■Auxiliary grounding value excess indicator lamp

Perform earth resistance measurements of simple or complex electrode systems, ground resistivity measurements (4-wire Wenner‘s principle), and spurious voltage measurements according to IEC 61557-5. The equipment injects ...

GDCR3000B Digital Earth Resistance Tester Soil Resistivity Tester Product Description GDCR3000B Earth Resistance/Soil Resistivity Tester is special ...

FEATURES •Measures earth resistance without need to disconnect from the electrical system or need for auxillary ground electrodes or reels •Ground Resistance is auto-ranging from 1 to 199Ω •Current Measurement is auto-ranging ...