It can meet the detection and location of different types of faults in power cables of different voltage levels, including open circuit, short circuit, low resistance, high resistance leakage, and high resistance flashover faults. It can also measure cable length. It can accomplish functions such as locating the path of live (or non-live) cables, detecting burial depth, and identifying target cables.

System Composition:

1. Fully intelligent multi-pulse cable fault tester main unit

2. Multi-pulse generator

3. Ultra-quiet intelligent precision locator

4. Integrated high-frequency high-voltage power supply

5. Path unit

Technical Specifications
 

• Display: 12.1-inch industrial-grade LCD screen (Win7 operating platform)
• Test Distance: Not less than 100km
• Operation Method: Dual operation, stylus and touch mouse
• Test Methods: Low-voltage pulse method, impulse current method, multi-pulse method
• Storage Space: Fixed 32G
• Minimum Test Distance (Blind Zone): 0-5 meters or no blind zone
• Precision Location Error: ±0.2m
• Resolution: V/fm; V is propagation speed m/μs; software cursor 0.10 meters
• Test Error: System error less than ±1%
• Real-time Sampling Frequency: 3.125 MHz, 6.25MHz, 12.5MHz, 25MHz, 50MHz, 100MHz, 200 MHz, 250 MHz
• Pulse Width: 50ns, 80 ns, 100ns, 200 ns, 1μs, 2μs, 5μs, 10μs (software auto-match)
• Standby Time: Approximately 6 hours continuous use
• Weight: 7kg
• Dimensions: 180mm×300mm×400mm

Multi-Pulse Generator Used in conjunction with the cable fault distance meter to achieve automatic analysis of fault waveforms.

• Output Voltage: <40kV

Ultra-Quiet Intelligent Precision Locator Technical Features:

• Excellent discharge sound quality, quieter background, uses monitoring headphones for quick and reliable fault location.
• Magnetic field signals can be selectively recorded for higher precision, fully automatic setup of audio and magnetic field channel trigger thresholds.
• Uses ultra-quiet technology and BNR intelligent background noise reduction technology. Controls shock discharge volume limits.
• Receiver's black arrow automatically shows direction when pinpointing the exact location, indicating return after passing the fault point.
• Yellow arrow indicates relative left-right position of the fault cable centerline, ensuring it stays directly above the cable.
• Utilizes time difference comparison before and after shock discharge sounds to determine the precise fault location.
• Special self-falling ground sensor designed for different surface types like soft pavement, hardened roads, and lawns.
• Reliable imported connectors, adjustable probe handle design for user convenience

1. Sensor Dynamic Range: Audio channel >104dB, magnetic field channel >110dB
2. Sensor Frequency Range: 100 Hz~1500Hz
3. Shock Discharge Sound Amplification: >90dB, shock discharge volume limit 84dB(A) can be turned on/off
4. Filter Settings: No filter 100Hz~1500Hz, Low-pass filter 100Hz~400Hz, Band-pass filter 150Hz~600Hz, High-pass filter 200Hz~1500Hz
5. LCD Display: High brightness true color screen, pixels 320 x 240 suitable for outdoor use
6. Continuous Working Time On-site: Alkaline replaceable batteries for convenient on-site use

Integrated High-Frequency High-Voltage Power Supply Provides high-voltage impulse energy for testing high-resistance faults, used in flashover methods or multiple pulse methods for precise fault location
Performance Features:

• Pure integrated design, built-in capacitor, simple wiring
• Touchscreen human-machine interaction, simple setup and intuitive display of instrument status
• Voltage regulation, automatic voltage stabilization, and protection features
• Output high voltage with single pulse and continuous pulse functions, respectively, for fault detection and precise location
• DC output capability for external ball gap work, versatile applications
• Software-controlled vacuum impact spark discharge, adaptive discharge and pulse period
• Emergency stop button, automatic discharge function, safe and reliable
• Continuous working time not less than 6 hours, meeting the longest working time for cable fault testing
• Compact engineering design, small size, light weight, easy for single-person carry

1. Output Mode: Pulse output, DC output
2. Output Voltage: Negative, ≤32kV continuously adjustable
3. Working Current: ≤40mA
4. Operating Modes: Single pulse, continuous pulse, DC output
5. Built-in Capacitance: 4uF/32kV
6. Discharge Energy: ≤2450J
7. Pulse Period: 3s～8s adaptive
8. Automatic Discharge: Automatic discharge upon shutdown
9. Power Supply: Industrial frequency 220V±10%
10. Display Screen: 800×480 resolution touchscreen
11. Operating Temperature: -10℃～40℃
12. Operating Humidity: ≤80%
13. Altitude: ≤1000 meters
14. Dimensions: 478(L)370(W)448(H) mm
15. Weight: ≤28kg

1. Multiple functions: Path detection + cable identification
2. Color compass display: Clear view of underground pipelines
3. Ultra-high sensitivity, 2Hz ultra-narrow bandwidth reception, highly resistant to interference
4. Tracking correctness prompts: Eliminates interference from adjacent pipelines
5. Enhanced depth measurement: Real-time accurate depth measurement
6. Depth auxiliary sensors: Signal distortion reminders
7. Enhanced passive detection: Power frequency + radio passive frequency measurement, displays multiple pipelines simultaneously
8. Passive detection spectral analysis: Excludes interference frequencies
9. High-performance transmission clamp: Couples signals to operational cables
10. Flexible clamp cable unique identification: Convenient and highly reliable, capable of current measurement
11. Step voltage detection: Locates insulation damage to ground
12. Supports customized frequencies
13. High-power digital amplifier transmission, fully automatic impedance matching, automatic protection
14. Transmitter has various signal output modes: Direct connection output, clamp coupling, radiation induction
15. Fully digital processing for transmission/reception, stable and reliable
16. Built-in large-capacity lithium-ion battery pack, automatic shutdown under low voltage, automatic shutdown after prolonged inactivity
17. IP65 protection rating

1. Output Mode: Direct connection, clamp, radiation
2. Output Frequencies: 640Hz, 1280Hz, 8kHz, 33kHz, 82kHz, 197kHz
3. Output Power: Max 15W, 10 adjustable levels
4. Impedance Matching: Fully automatic
5. Overvoltage and Overcurrent Protection: Fully automatic
6. Human-Machine Interface: 320×240 dot matrix black-and-white LCD
7. Power Supply: Built-in lithium-ion battery pack, nominal 7.4V, >6Ah
8. Charger Input: AC100-240V, 50/60Hz
9. Charger Output: DC8.4V, 2A
10. Dimensions: 280×220×90mm
11. Weight: 2.3kg
12. Protection: IP65
13. Operating Conditions: -25℃－60℃, <90%RH, <4500m

1. Reception Mode: Built-in coil, flexible clamp
2. Detection Modes: Wide peak, narrow peak, valley value, historical curve, spectrum
3. Active Frequencies: 640Hz, 1280Hz, 8kHz, 33kHz, 82kHz, 197kHz
4. Passive Bands: Power frequency 50/60Hz, 4-24kHz RF
5. Human-Machine Interface: 320×240 dot matrix color LCD, sunlight readable
6. Power Supply: Built-in lithium-ion battery pack, nominal 7.4V, >3Ah
7. Charger Input: AC100-240V, 50/60Hz
8. Charger Output: DC8.4V, 2A
9. Dimensions: 680×120×277mm
10. Weight: 2.0kg
11. Protection: IP65
12. Operating Conditions: -25℃－60℃, <90%RH, <4500m