PDF1000 DC System Grounding Fault TesterDetailed product description：

Technical parameters of PDF1000 DC system grounding fault tester

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 shock resistance: 400V DC shock
Power supply voltage: AC220V ± 10%
Voltage frequency: 50Hz ± 5%
Input insurance: 200mA
Maximum power: 3W
Volume: 300mm × 270mm × 200mm

2. Signal receiver
Signal current detection sensitivity: 0.5mA
Signal generator impedance: 40K Ω
Maximum output current: 2.5mA
Receiver display: digits 0-19
Volume: 210mm × 100mm × 32mm
Jaw size: Φ 50mm
B jaw size: Φ 7mm × 9mm

3. Whole machine
Maximum grounding resistance detected: 300k Ω
Grounding resistance measurement accuracy: 0-4.5K Ω, error ≤ 0.5K Ω