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Question: What instrument is used to measuring grounding resistance
Answer: It can be measured with a grounding resistance tester.
The grounding resistance tester is based on the new lightning protection grounding resistance detection standard, and is specially designed and manufactured for on-site measurement of grounding resistance, soil resistivity, grounding voltage, and AC voltage. The test current is up to 20mA. It uses digital and micro-processing technology and is precise. The 4-wire method, 3-wire method and simple 2-wire method are used to measure the ground resistance. FFT (Fast Fourier Transform) technology and AFC (Automatic Frequency Control) technology are introduced to automatically identify interference and select the measurement frequency to minimize the impact of interference and provide more Accurate ground resistance value. It has unique anti-interference ability and environmental adaptability, and good consistency of repeated tests, ensuring high precision, high stability and high reliability of long-term measurement. It is widely used in electric power, telecommunications, meteorology, oil fields, construction, lightning protection and industrial electrical equipment, such as ground resistance, soil resistivity, ground voltage, AC voltage measurement.
