Underground Power Cable Fault Locator
I.Product introduction
Measure the power cable of different sections, different media of various materials, Coaxial cable, Street light cables and short circuit, open circuit short line fault of the low resistivity underground wire. Superior cable management system, automatically generate test reports.
II.Advanced features
- The system adopts an integrated design and it's convenient and flexible to move.
- Suitable for testing all kinds of main insulation fault and outer sheath fault of 380V-220kV cable.
- Fault test, high voltage power supply, insulation resistance test, cable path test and other function are integrated in one device .
- The fault test unit adopts the industrial control embedded computer platform and Windows7 operating system.
- The high frequency and high voltage power supply unit adopts touch screen control system, which reflects man-machine interaction, convenient operation, simple and intuitive display.
- The insulation resistance testing unit is digital and the LCD can display the working status and test results of the instrument
- The CABLE path test unit LCD displays the transmitter, receiving signal frequency and signal strength.
- The system is equipped with 25m test lines to facilitate cable fault testing in far, near and complex environments.
III.Technical Parameter
Size:530(L)*430(W)*960(H)mm
Weight:£50Kg
Power supply:AC220V,50Hz
Charging adapter :DC12V,DC16.8V
1. Cable fault pre-locator unit
It can test various faults of power cables with different voltage classes, different sections, different media and various materials under 35kV, including: open circuit, short circuit, low resistance, high resistance leakage, high resistance flashover faults.
It can test various faults of railway communication control cable, street lamp cable and airport signal cable
It can test the speed of radio wave propagation in any cable of known length.
Display mode: 12.1-inch industrial LCD touch screen (Windows7 operating system).
Test method: low voltage pulse method, lightning flow method, multiple pulse method
Memory space:fixed 8G
Test distance :not less than 60km
Operation mode:dual operation:touch pen and touch mouse
Minimum test distance(blind zone):0-5m or without blind zone
Precise fix point error:±0.2m
Test error:system error less than ±1%
Multi pulse generator :pulsevoltage≤40kV
Standby time:continuous running 6 hours
Temperature:-20ºC~+40ºC
Relative humidity:≤80%
Resolution:V/fm;V refer to pulse wave velocity:m/μs;software cursor 0.10m
Sample frequency:3.125MHz ,6.25MHz,12.5MHz,25MHz,50MHz,100MHz,200MHz,250MHz.
Pulse width:50ns,80ns,100ns,200 ns,1μs,2μs,5μs,10μs(automatic matching ).
Service mode and technology
A.4G wireless remote synchronous measurement and control service.
B.Waveform transfer by mail, real-time service by Android mobile
C. Equipped with teaching video about how to operate cable fault locator .
2.High voltage power supply unit :
This unit is mainly used for sample pulse discharge and precise pinpoint pulsewhen test medium and high resistance fault waveform for 35kV cable or below it . It can also be used for high resistance fault breakdown, and precise fault pinpoint for outer sheath of ultra HV cable above 110kV .
Output mode:pulse output,DC output
Output voltage:negative voltage,0~35kV continuous adjustable
Working current:≤40mA
Working mode:single pulse,continuous pulse,DC output
Built in capacitor:4uF/35kv
Discharge energy:≤2450J
Pulse period:3s~8s self adaption
Automatic discharge:Shut down , automatic discharge
Power:power frequency 220V±10%
Display screen:800×480 resolution, touch screen
Working environment:temperature :-10ºC~40ºC;Humidity:≤80%
Altitude:≤1000meter
3.Cable path tracer :
Signal frequency:9.6KHz since wave
Detecting distance:<15km
Detecting depth:≤3m
Error:<5cm
Transmitter:
Output signal frequency:9.6kHz
Output power:2W
Receiver:
Input signal frequency:9.6kHz
Error of detecting path:±2cm
Error of detecting depth:±5cm
Battery:9V ,continuous working 8 hours
4.Insulation resistance test unit
Output voltage:500V,1000V,2500V,5000V.
With absorption ratio, polarization index, fast test and automatic insulation test functions.
Automatic discharge in fast speed.
Protection of short circuit , over load, over current and under voltage.
Turn off automatically if standby time reach 10 minutes .
Working environment :temperature:-10ºC-40ºC relative humidity :20%-90%RH
Altitude:<3000m
Storage environment:temperature:-10ºC-50ºC;Humidity:<90%RH
Power:adapter input:AC220V,50Hz,output:DC16.8V
5.Super mute intelligent fault pinpointer Unit
Dynamic range of sensor:sound channel >104dB ,magnetic field channel>110 dB Frequency range:100 Hz---1500 Hz
Amplification factor of impact discharge sound >90dB,impulse Impact discharge volume limit: 84dB(A),can be turned on or off
Wave set:No filter 100 Hz---1500 Hz
Low pass filtering:100Hz---400 Hz, band-pass filtering:150Hz---600 Hz, High-pass filtering:200Hz---1500 Hz
LCD display:bright true color screen,pixel 320 x 240 ,suitable for outdoor .
Alkaline replaceable battery convenient for file application.
IV. Related products
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