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General features
Portable cable fault location system
Graphical interface: Graphical interface, more intuitive and easy to operate.
Operation: Turn and click a single knob (jog dial) on the control unit
Data management: General database
Data synchronization: Universal Serial Bus
Control unit
Display: Industrial grade TFT color panel with LED backlight
Anti-glare: Yes
Multi-touch: Yes
LCD size: 10”
Aspect ratio: 16:9
Resolution: 1024×768 Full HD
Brightness: 450 cd/m²
Safety
Adaptability: CE Compliance; EN 61010, EN 50191, VDE 0104, VDE 015, DGUV 203-034 (BGI 891)
Discharge and grounding devices: 72kJ, equivalent to 10µF capacitor charged to 120kV DC; discharge time constant <1s
System status: Real-time monitoring and indication
Intrinsically safe: Ground immediately when there is a power outage
F-U safety interlock: Operating voltage connection monitoring (high voltage circuit)
F-Ohm safety interlock: Operational earth connection monitoring (high voltage circuit)
Security features: Front panel – power on/off, lockout switch, emergency stop, residual pressure indicator, high voltage switch; Control unit – jog dial
Safety devices: System grounding status indicator, power input protection, high voltage room monitoring via door contact, external safety device
Power input monitoring: Overvoltage protection, undervoltage protection, RCD protection
Defining wiring: Internal switchboard included
System function
Use DC or high-voltage pulse to make the cable fault point flash over and discharge.
Use traveling wave reflection principle to measure the distance of insulation faults.
I. High voltage surge generator
Output mode: DC, Single, Cycle
Output voltage: 8kV, 16kV, 32kV
Built-in capacitor: 64µF, 16µF, 4µF
Discharge energy: 2048J per voltage level
Impact power: 2000VA
Impulse rate: Auto ~6s, manual control optional
Surge voltage level switch: Manual
Voltage adjustment type: Continuous
Indication: Real-time voltage/current display on HV side
Operating mode switch: Manual
Coupler: Built-in multiple pulse sampling box
Safe protection: Zero-start protection, safe and reliable
Discharge: Auto discharge of internal capacitance when stopped
Working power: AC220V±15%, 50Hz±2Hz(60Hz)
DC withstand voltage test: Output adjustable 0–32kV, current range 0–20A
Burn current: 60mA@32kV, 120mA@16kV, 240mA@8kV
Safety: Over-voltage, over-current, overheating protection; auto discharge after use
Protection rating: ≥IP54
Dimensions (mm): 534L×444W×805H
Weight: ≤130kg
II. TDR cable fault locator
Test method: Low voltage pulse, Impulse current, Impulse voltage, ARC multiple pulse
Sampling rate: 1MHz–400MHz
Pulse output: Unipolar
Pulse amplitude: 300V
Pulse width: 0.15μs, 0.30μs, 0.60μs, 1.20μs, 2.4μs, 5.0μs, 7.5μs, 10μs
Measurement scope: ≥120km
Measurement range: 100m, 300m, 500m, 1km, 3km, 5km, 10km, 25km, 50km, 100km
Minimum resolution: 0.07m
Measurement error: ≤±(0.5%×L+1m), L = cable length
Signal gain: 0–100%, adjustable
Propagation speed: 10–999.9m/μs
Output impedance: Auto matching
Trigger: Auto continuous
Result analysis: Automatic fault distance calculation
Working conditions: Temperature -25°C~+65°C; Humidity ≤85%; Pressure 750±30mmHg
V. Test cables
High voltage output cable: Core 2.5mm² red, withstand 50kV DC, shielded, outer diameter 14mm, customizable length, supplied with large reel.
Ground cable: 3-core grounding line, main core 16mm² transparent, branch 2.5mm², customizable length, supplied with small reel.
