| Customization: | Available |
|---|---|
| Output signal frequency: | 2.5Hz |
| Output port impact resistance: | 400V DC shock |
|
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PDF-3000A DC System Ground Fault Tester can be applied to dc systems of any voltage level, equipped with a high-precision detection clamp table, which greatly improves the detection range and anti-interference ability through efficient processing of multiple signals. By using excellent algorithm and advanced fuzzy control calculation theory, the advantages of the insulation branch detected are expressed in numerical form, which fully reflects the advantages of artificial intelligence.
Technical Indicators
| 1. Signal Generator | |
| 1) Output signal frequency: | 2.5Hz |
| 2) Signal no-load output voltage: | ±20V±5% |
| 3) Signal voltage amplitude error: | <5% |
| 4) Signal short circuit output current: | ≤80mA |
| 5) Output port impact resistance: | 400V DC shock |
| 6) Power supply voltage: | AC220V±10% |
| 7) Voltage frequency: | 50Hz ± 5% |
| 8) Input insurance: | 2A |
| 9) Maximum power: | 3W |
| 10) Volume: | 300mm * 270mm *200mm |
| 2. Signal Receiver | |
| 1) sensitivity of signal current detection: | 0.5mA |
| 2) signal generator impedance: | 40 k Ω |
| 3) maximum output current: | 2.5ma |
| 4) receiver display: | number 0-19 |
| 5) volume: | 210mm* 100mm*32mm |
| 6) A: jaw size: Φ 50 mm 7) B: jaw size Φ 7 mm x 9 mm |
|
| 3. Machine | |
| 1) Detect the maximum grounding resistance: | 300KΩ |
| 2) Grounding resistance measurement accuracy: | 0-4.5KΩ Error ≤ 0.5KΩ; |
| 4.5KΩ-300KΩ error ≤10% | |
Features
1. The use is simple: this instrument can be directly used only by switching on the power switch, and no other key operation is needed.
2. Safety and reliability: This instrument does not need to stop floating charger and all other power supply, no impact on the DC system.
3. Applicable voltage level: DC system 220V, 110V, 48V and 24V can be used.
4. Wide range of application: any type of power plants, substations, coal mines, chemical plants and other power supply departments can be used.
5. Easy to carry: the receiver has its own battery, no external power supply, you can carry anywhere to find the grounding point.
6. The DC system continuously searches for the grounding point without affecting the normal operation of the system.
7. It has strong anti-interference ability and overcomes the influence of distributed capacitance of the system.
8. Intelligent charging management, reduce charging time and prolong battery life.
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