KDWS-5A Ground resistance meter

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KDWS-5A type large ground network grounding resistance tester, can measure the substation ground network (4Ω), water and thermal power plant, microwave station (10Ω), lightning rod (10Ω) multi-purpose model, the use of new frequency conversion AC power supply, and the use of microcomputer processing control and signal processing measures, a good solution to the anti-interference problem in the test process, simplify the test operation process. The precision and accuracy of test results are improved, and the labor intensity and test cost of test personnel are greatly reduced.

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Mga katangian ng pagganap
1. Good power frequency equivalence of measurement. The test current waveform is sine wave, and the frequency is only 5Hz different from the power frequency, and two frequencies of 45Hz and 55Hz are used for measurement.
2, malakas na kakayahan laban sa panghihimasok. The instrument adopts different frequency method and modern software and hardware filtering technology, which makes the instrument have high anti-interference performance, and the test data is stable and reliable.
3, mataas na katumpakan. The basic error is only 0.005Ω, which can be used to measure large ground grids with small ground impedance.
4, can measure the current pile, voltage pile, grounding resistance, step voltage, contact voltage.
5, simpleng operasyon. Chinese menu operation, directly display the measurement results.
6, wiring labor is small, no need for large current line.

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