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HYBO Energy
HYBO Energy
The GDWR-30A Earth Resistance Tester is a high-precision test instrument designed for demanding applications such as substations. It effectively measures Soil Resistivity, Ground Grid Impedance, Earth Surface Potential, Step Voltage, and other critical parameters. Featuring a compact and lightweight design, this integrated unit includes a variable frequency power supply module (45Hz or 55Hz) to ensure portable and accurate testing.
By utilizing high-end digital filtering technology, the core processor eliminates power frequency interference, making it an ideal choice for precise measurements even in harsh electromagnetic environments.
| No. | Parameter Item | Technical Data | |
|---|---|---|---|
| 1 | Use Condition | -15ºC ~ 40ºC | RH < 80% |
| 2 | Anti-interference Principle | Frequency conversion method | |
| 3 | Power Supply | Auxiliary: AC220V±10% / Main: 3-Phase AC380V | Generator allowable |
| 4 | Measuring Output Current | 1A~50A adjustable | |
| 5 | Measuring Output Voltage | 0V~800V | |
| 6 | Measuring Frequency | 45, 50, 55, 60, 65Hz Single / 45/55, 55/65, 47.5/52.5Hz Auto Dual | |
| 7 | Rated Output Power | 12kW | |
| 8 | Resolution | Impedance: 0.0001Ω / Angle: 0.0001° | |
| 9 | Accuracy | Impedance: ±(1%*reading+0.002) / Angle: ±(1%*reading+0.02°) | |
| 10 | Resistance Range | 0.001Ω ~ 5kΩ | |
| 11 | Dimension | Host: 450*350*480mm / Transformer: 450*350*540mm | |
| 12 | Memory Size | 100 groups (Support U-disk) | |
| 13 | Weight | Host: 20kg; Transformer: 35kg; Cables: 3kg; Pile: 4kg | |
