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frequency digital earth resistance tester
Selling leads
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Product Introduction 1, the measured frequency equivalent good. Test current waveform is a sine wave, frequency, frequency difference is only 5Hz, ...
2024-12-09 10:42:20
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Product Introduction Dual current source design, CPU programmable charge and discharge protection order and perfect, very suitable for high and low ...
2024-12-09 10:42:20
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...improved about 10 times more than traditional resistivity method. 2. Easy to carry: Without heavy power supply, it uses low frequency signals in ...
2024-12-09 10:45:57
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