Product Details
Hipot GDWR-5A Earth Resistance Tester for Ground Grid
Sold By :HV Hipot
Delivery duration : * 8 to 10 Days
Quantity:
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GDWR-5A Earth Resistance Tester is a high-precision test instrument used in various fields such as substations for testing grounding resistance and related parameters. The instrument has the characteristics of small volume, light weight, convenient carrying, strong anti-interference performance and high accuracy.
Product Features:-
● Full touch large LCD
The operation is simple, the instrument is equipped with a high-end full-touch liquid crystal display, a large and full graphical operation interface, each process is very clear, and the operator can use it without additional professional training. The entire process can be measured with a single touch, making it an ideal smart measurement device.
● Frequency conversion technology, accurate measurement
Strong anti-interference ability. The instrument measurement output power supply is provided by the internal variable frequency power supply module of the instrument, the frequency is variable to 45Hz or 55Hz, adopts the digital filtering technology, effectively avoids various power frequency interference signals on the spot, so that the instrument can achieve high precision, accurate and reliable measurement.
●DSP high speed processor
Accurate and fast, the instrument uses a professional DSP fast digital signal processor as the processing core. on the premise of guaranteeing the accuracy of measurement data, the operation and processing ability of the instrument itself is greatly improved.
● Whole process intelligent measurement and control
With the strong support of the internal high-performance processing core, the instrument quickly and automatically completes a series of complicated calculation steps such as current output, voltage acquisition and frequency conversion during the whole measurement process. The instrument can automatically judge the impedance of the current loop, and automatically adjust the output current value of the inter-frequency power supply (rated output current is 5A), and the test task can be automatically completed without human intervention. The measurement content of the instrument includes the grounding impedance Z of the grounding grid, the pure resistance component R and the pure inductance component X.
● Mass storage data
The instrument is equipped with a calendar chip and a large-capacity memory. The test results can be saved in chronological order, and the historical records can be viewed at any time, and can output and print.
● Data processing of PC
The data measured by the instrument can be exported through the U disk, and then the relevant data can be consulted and managed on the PC.
Specifications:-
| 1 | Use condition | -15ºC-40ºC | RH<80% |
| 2 | Anti-interference principle | Frequency conversion method | |
| 3 | Power supply | AC 220V ±10% (110V ±10% optional) | Generator is allowable. |
| 4 | Measuring output current | 1A-5A adjustable | |
| 5 | Measuring output voltage | 0V-400V | |
| 6 | Measuring frequency of power supply | 45, 50, 55, 60, 65HZ single frequency 45/55, 55/65, 7.5/52.5HZ auto dual frequency | |
| 7 | Rated output power | 2000W | |
| 8 | Resolution | Ground impedance: 0.0001 | |
| Impedance angle: 0.0001° | |||
| 9 | Accuracy | Ground impedance: ±(1%*reading+0.002) | |
| Impedance angle: ±(1%*reading+0.02°) | |||
| 10 | Resistance measuring range | 0.001Ω-5kΩ | |
| 11 | Dimension | 370(L)*295(W)*358(H) mm | |
| 12 | Memory size | 100 groups, support U disk data storage | |
| 13 | Weight of host | 22 kg | |
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