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Ad #: 416095

Digital Ground Resistance Tester

Viewed: 69 time(s)


Posted: 8/26/2021
Expires: 2/24/2022

Asia, Pacific and Middle East : China > wuhan
Nearby Cities
Zip: 430200 Digital Ground Resistance Tester Rejects the traditional manual manual power generation method adopts advanced media and large scale integrated circuits, and uses DC / AC conversion techniques to combine the triple buttons and four-end button measurement modes with new ground resistors. . The working principle is that the DC / AC converter in the machine changes the DC constant current, and the circuit is formed by the auxiliary ground electrode C and the measurement object E, which generates an AC voltage drop on the measuring object, and feeds the AC amplifier through assist grounding. The electrode P amplified, and then multiplied by multiplying by multiplying by a power switch to display the instrument header head, you can get three different number limits: 0 ~ 2Ω0 ~ 20Ω0 ~ 200Ω. Nearly the resistance tester is suitable for measuring the electrical resistance of low resistance of various departments such as various devices and power postal railway communication mining; Nearly the ground resistance tester also measures soil resistivity and ground voltage. Technical parameters: Working Conditions Ambient temperature 0℃~+45℃ Relative humidity ≤85%RH Measurement range and constant current value (effective value) Resistance 0~20Ω(10mA),2~200Ω(1mA),20~2000Ω(0.1mA) Voltage AC0~19.99V Measurement accuracy and resolution Precision rowspan 0~0.2Ω≤±3%±1d 0.2Ω~1999.9Ω≤±1.5%±1d 1~19.99V≤±3%±1d Resolution 0.01Ω、0.1Ω、1Ω、0.01V Measurement error caused by auxiliary grounding resistance and ground voltage Allow auxiliary grounding resistance RC(between C1 and C2) 0~20Ω≤1kΩ 20~2000Ω≤2kΩ RP(between P1 and P2) < 40kΩ, Error≤±5%

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