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KGW-5A Large Ground Grid Grounding Resistance Tester Soil Resistivity Tester ISO9001
Product Introduction
KGW-5A large-scale ground network grounding resistance tester is suitable for testing power frequency grounding impedance, contact voltage, step voltage, transfer potential, field surface potential gradient and other power frequency characteristics of various grounding devices and soil resistivity. It can measure the ground network of substation (4Ω), water and thermal power plant, microwave station (10Ω), lightning rod (10Ω). The instrument adopts different frequency anti-interference technology, and can accurately measure the data under power frequency 50Hz under strong interference environment. The small test current (maximum 3A) will not cause the potential of the grounding device to be too high during the test, and it also has a strong anti-interference ability, so it can be measured without power failure.
KGW-5A Large Ground Grid Grounding Resistance Tester Soil Resistivity Tester ISO9001
Product Parameters
1, impedance measurement range: 0 ~ 200Ω
2, resolution: 0.001Ω
3, measurement error: ± 2% +±2d
4, anti-ground voltage interference ability: 15V power frequency interference voltage caused by the error is only 0.002Ω
5, test current waveform: sine wave
6, test current frequency:
45, 50, 55, 60, 65Hz single frequency
45/55Hz, 55/65Hz, 47.5/52.5Hz automatic double frequency conversion
7. Maximum output current: 0.5A 1A 1.5A 2A 2.5A 3A 3.5A 4A 4.5A
8. Maximum output voltage: 400V
9, measurement line requirements:
The cross-sectional area of the copper core of the current wire is ≥1.5mm2
The cross-sectional area of the copper core of the voltage wire is ≥1.0mm2
10, power supply: AC220V± 10%, 50Hz±1Hz
11, the use of environment: temperature: 0ºC ~ 40ºC; Relative humidity: <90%
12. Overall size: 440×350×210
13, instrument weight: 8.5kg
KGW-5A Large Ground Grid Grounding Resistance Tester Soil Resistivity Tester ISO9001KGW-5A Grounding Resistance Tester
Product Characteristics
1. Good power frequency equivalence of measurement. The test current waveform is sine wave, the difference between frequency and power frequency is only 5Hz, and two frequencies of 45Hz and 55Hz are used for measurement.
2, strong resistance to voltage interference. The instrument adopts different frequency method and modern software and hardware filtering technology, which makes the instrument have high anti-interference performance, and the test data is stable and reliable.
3, high precision. The basic error of only 0.002Ω can be used to measure large ground grids with very small ground impedance.
4, powerful. All characteristic parameters of the grounding device specified in the relevant standards can be measured. Not only the ground impedance, but also the resistance and reactance components can be measured.
5, simple operation. Full Chinese menu operation, directly display the measurement results.
6, wiring labor is small, no need for large current line.
7, the instrument is small, light weight, easy to carry.
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