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WUHAN GUODIAN ZHONGXING ELECTRICAL POWER EQUIPMENT CO., LTD.

Earth Resistance Tester, Grounding Grid Earth Resistance Test, Earthing Network Ground Resistance Test manufacturer / supplier in China, offering 3A Large-Scale Grounding Grid Earth Resistance Tester, PT on-Site Calibrator, Instrument Transformer Calibrator and so on.

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Supplier Homepage Product Ground test Instrument 3A Large-Scale Grounding Grid Earth Resistance Tester

3A Large-Scale Grounding Grid Earth Resistance Tester

FOB Price: US $2,200 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $2,200/ Piece
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Transport Package: Carton
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
  • Output Voltage: AC 420V (45Hz, 55Hz, double frequency, sine wave)
  • Origin: China
  • Warranty: 1 Year
  • resolution: 0.001Ω
  • Power supply: AC 220V±10%, 50Hz
  • Max output current: 3A
  • Trademark: GDZX
  • HS Code: 9030332000
Product Description
Introduction

 

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

 

Features
 
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

 

Parameters
 
Impedance measurement range0~150Ω
Resolution0.001Ω
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
Dimension440×350×210mm3
Weight18kg

 

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