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Earth Resistance Tester, Grounding Grid Earth Resistance Test, Earthing Network Ground Resistance Test manufacturer / supplier in China, offering Earth Reisistance Tester for large-scale grounding Grid (ZXDW-3A), Electricity Meter Handheld Single Phase Three Phase Power Quality Analyzer, Three-phase Multifunction power check meter reference energy meter and so on.

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Supplier Homepage Product Resistance Tester Earth Reisistance Tester for large-scale grounding Grid (ZXDW-3A)

Earth Reisistance Tester for large-scale grounding Grid (ZXDW-3A)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Wuhan, China
Production Capacity: 5000PCS/month
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: ZXDW-3A
  • measurement range: 0-150Ω
  • Measurement error: ±(reading×2%+0.005Ω)
  • Size and weight: 440×350×210mm, 18KG
  • Transport Package: Carton
  • HS Code: 9030332000
  • Warranty: 1 Year
  • resolution: 0.001Ω
  • Power supply: AC 220V±10%, 50Hz
  • Trademark: GDZX
  • Origin: China
Product Description

This device applies to test frequency ground resistance, contact voltage, pace voltage and earth electric resistivity. Can test substation grounding grid (4Ω), fire and water electric power plants, microwave stations (10Ω), lightning rod multi-purpose model (10Ω). It adopts different frequency anti-jamming technique, can get the data under 50Hz in strong interference circumstance. measured current from 0~3A, which will not cause the electric potential of the grounding device too high. It's with strong anti-interference ability, so no need power off during the test

1. Good frequency equivalence. The measured current waveform is sine wave, the difference between frequency and power frequency is 5Hz, use 45Hz and 55Hz two frequency to test.
2. Strong anti-jamming ability, use different frequency method , assorted with modern hardware and software filtering techniques, make the device with strong anti-jamming ability, test results stable and reliable. Error caused by 15V/50Hz interference voltage: 0.001Ω
3. High precision, can test the ground network of small impedance.
4. Powerful: can test all characteristic parameters of grounding devices, only only ground impedance but also resistive component, reactance component can be measured
5. disconnection alarm function
6. Easy to operate, menu operated, directly display the test results.
7. Do not need high current wire.
8. small volume, little weight, convenient to carry


Impedance measurement range0~150Ω
Measurement error±(reading×2%+0.005Ω)
Maximum output voltageAC 420V (45Hz,55Hz, double frequency, sine wave)
Maximum output currentAC 3A (45Hz,55Hz, double frequency, sine wave)
Anti-jamming capabilityAnti- frequency 50Hz voltage 10V
Measured wire required valueSection surface of current wire copper core≥1.5 mm2
Section surface of voltage wire copper core≥1.0 mm2
Power supplyAC 220V±10%, 50Hz

Earth Reisistance Tester for large-scale grounding Grid (ZXDW-3A)

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