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GYDW-III large-scale ground network resistance tester (5A)

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Product Details
 

Technical Specifications:

 
 

Measuring range

0 200Ω (including current pole impedance)

 

Resolution

0.001Ω

 

Measurement error

± (reading × 1% + 0.005Ω)

 

Maximum output voltage

AC 400V (45Hz, 55Hz, dual frequency, sine wave)

 

Maximum output current

AC 5A (45Hz, 55Hz, dual frequency, sine wave)

 

Current output range

5 / 4.5 / 4 / 3.5 / 3 / 2.5 / 2 / 1.5 / 1A, step: 0.5A, a total of 9 ranges

 

Anti-interference ability

Power frequency 50Hz, voltage 10V

 

Wire requirements

Current wire copper core cross-sectional area ≥1.5mm2

 

Voltage wire copper core cross-sectional area ≥1.0mm2

 

Power supply

AC220V ± 10%, 50Hz

 

Dimensions

295 × 340 × 310mm3

 

Instrument weight

30kg

      Product Features:

1. The measured power frequency has good equivalence. The test current waveform is a sine wave with a frequency difference
of only 5 Hz from the power frequency. Two frequencies of 45 Hz and 55 Hz are used for measurement.

2. Strong anti-interference ability. The large-scale ground network grounding resistance tester adopts the different frequency
method for measurement, and cooperates with modern software and hardware filtering technology, which makes the instrument
have high anti-interference performance and stable and reliable test data.

3. High precision. The basic error is only 0.005Ω, which can be used to measure the ground network with a small grounding impedance.

4. Powerful. It can measure current pile, voltage pile, grounding resistance, step voltage and contact voltage.

5. Simple operation. All Chinese menu operation directly displays the measurement results.

6. The wiring labor is small, and no large current wire is needed.


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