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Ground Network Grid Earth Resistance

Ground Network Grid Earth Resistance

Type: ZC2571
        Large Digital Intelligent Grounding Grounding Resistance Tester Overview This equipment is suitable for testing power frequency grounding resistance, contact voltage, step voltage and grounding resistivity. Can test substation ground grid (4Ω), water and fire power plants,
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Product Features
       1. Has good power frequency measurement performance.
       2. Strong anti-interference ability,the instrument is measured by the pilot method, matched with modern software and hardware filtering technology, strong anti-interference ability, and the test data is stable and reliable.
       3.High precision.since the basic error is only 0.005Ω, it can be used to test the small grounding impedance of large grounded grids.
       4. Powerful features. It can measure the grounding resistance i, the grounding resistance u, the grounding resistance, the gate grounding resistance, the grounding resistance on, and the soil resistivity.
       5. Simple operation.
       6. Wiring labor costs are small and do not require large current lines.

Parameter
Measuring range Constant current value Measurement accuracy and error Resolving power Auxiliary grounding resistance
0~1.999Ω
2~19.99Ω
20~199.9Ω
AC:0~19.99V
10mA (2Ω file)
10mA (20Ω file)
1mA (200Ω file)
<±(10%+1d)
0~0.2Ω<±(3%+1d)
0.2~199.9Ω
<±(1.5%+1d)
1~20v=±(3%+1d)
0.001Ω
0.01Ω
0.1Ω
0.01V
Rc: 2Ω
20Ωfile<1kΩ
200Ωfile<10kΩ
Rp: <50kΩ
error<±5%
Voltage to ground: 5V power frequency effective value 5% Humidity ≤85%RH Maximum power consumption≤2W Volume: 200mm×200mm×110mm
Power: DC7.2~9V or AC 220V Temperature: 0℃-40℃ Weight: 1.8kg

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