MSZD-1000 Portable DC grounding fault detector
Used to accurately locate ground faults in the DC system of power plants and substations without interrupting power. It can quickly locate the grounding point for all types of ground faults with 100% accuracy.
1. Signal Generator
Output signal frequency: 2.5Hz
Signal no-load output voltage: ±20V±5%
Signal voltage amplitude error: <5%
Signal short-circuit output current: ≤80mA
Output port surge withstand capability: 400V DC surge
Power supply voltage: AC 220V±10%
Voltage frequency: 50Hz±5%
Input fuse: 200mA
Maximum power: 3W
Dimensions: 300mm×270mm×200mm
2. Signal Receiver
Signal current detection sensitivity: 0.5mA Used to accurately locate ground faults in the DC system of power plants and substations without interrupting power. It can quickly locate the grounding point for all types of ground faults with 100% accuracy.
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 surge withstand capability: 400V DC surge
⑥ Power supply voltage: 220V±10%
⑦ Voltage frequency: 50Hz±5%
⑧ Input fuse: 200mA
⑨ Maximum power: 3W
⑩ Dimensions: 300mm×270mm×200mm
2. Signal Receiver
⑪ Signal current detection sensitivity: 0.5mA
⑫ Signal generator impedance: 40K
⑬ Maximum output current: 2.5 mA
⑭ Receiver display: Digital 0-19
⑮ Dimensions: 210mm×100mm×32mm
⑯ A clamp size: Φ50mm
⑰ B clamp size: Φ7mm× 9mm
3. Complete Unit
⑱ Maximum ground resistance detection: 300KΩ
⑲ Maximum capacitance detection: 20μF
⑳ Ground resistance measurement accuracy: 0-4.5KΩ error ≤ 0.5KΩ
21 Ground capacitance detection range: 3-60uF
22 Ground capacitance measurement accuracy: 3-10uF error ≤ 1uF
Signal generator impedance: 40K
Maximum output current: 2.5 mA
Receiver display: Digital 0-19
Dimensions: 210mm × 100mm × 32mm
A clamp size: Φ50mm
B clamp size: Φ7mm × 9mm
3. Complete Unit
Maximum ground resistance detection: 300KΩ
Maximum capacitance detection: 20μF
Ground resistance measurement accuracy: 0-4.5KΩ error ≤ 0.5KΩ
Ground capacitance detection range: 3-60uF
Ground capacitance measurement accuracy: 3-10uF error ≤ 1uF