underground electric cable fault locator/cable fault detector
Product features
HM-300 full intelligent multi-pulse cable fault tester is catering to the rapid development of industrial-grade power industry solutions and IT era, using the industrial control embedded computer platform system, network service business, USB communication technology for the limitations of the original cable fault tester. Systematization greatly improves the use and utilization of the instrument and the convenient on-site environment operation. The biggest feature of the multi-pulse cable fault tester is to avoid the defects that 90% of the complex high-resistance fault waveform is difficult to read. The test software automatically recognizes the card bit to read the fault distance, especially for the increasing number of buried cable faults. Unique multi-program service and management learning software. The whole system meets the general technical conditions of the power equipment special test equipment of the People's Republic of China power industry standard "DL/T849.1 ~ DL/T849.3-2004", and the production follows the license of the manufacturing instrument of the People's Republic of China, Shaanxi 00000548, the set The equipment is a qualified supplier of the State Grid and China Southern Power Grid. The system test consists of four parts: system host, multiple pulse generator, fault locator and cable path instrument. It is used for testing various faults of power cables, cable path and cable burial depth. And accurate testing of railway airport signal control cables and streetlight cable faults.
Advanced features
- Domestic leading industrial control embedded computer platform system, full computer win7 system operating platform, integrated software testing, and equipped with cable fault testing software
- Leading domestic use of 12.1in large-screen touch system, touch mouse dual control, high-bright screen display, adapt to outdoor sunlight, lithium battery power supply, convenient field test. Engineering aluminum alloy chassis, strong stability against shock and moisture
- Adopting the latest USB communication interface, the acquisition signal is stable. The host can automatically select the lowest sampling frequency of 3.125MHz and up to 250MHz,total 8 kinds of frequency sampling . The adaptive pulse width can meet the test requirements of different length cables, reduce the rough measurement error and improve the test Precision.
- The software realizes the low-voltage pulse and multi-pulse method automatic identification search, the waveform fault inflection point automatic card position, the fault distance instrument automatically reads and displays, the same screen three areas display waveform, the same screen randomly displays ten low-voltage pulse waveforms for selection, At the same time, automatic and artificial processing modes are realized, which enables double card position operation on the waveform, and the double cursor movement can be accurate to 0.15 meters, which improves the rough measurement accuracy and reduces the waveform error.
- Unique multi-pulse generator design, three methods can be completed without reversing the field, and one discharge can obtain ten low-voltage short-circuit pulse waveforms, which greatly reduces the interference of large oscillations, and the multi-pulse generator is small in size. With a weight of only 5KG, it is truly lightweight
- The host supports the host's own WIFI receiving function. The dedicated 3G software can realize the expert remote real-time testing technology service at any time. The expert remotely controls the user host. The business technology is equipped with the mobile phone Android version test software, providing users with on-site testing, timely and accurate waveform analysis anytime, anywhere. And exchange guidance, so that you can work without worry (optional)
- Built-in field waveforms and live physical wiring diagrams for on-site test comparison and daily learning, and automatic generation of test reports and printing
- The key precision point meter part can directly display the distance of the tester from the fault point. The squelch technology is another innovation of the same kind of fixed point technology in China. It provides a powerful guarantee for quickly and accurately finding cable faults and reducing power outage losses.
- High-voltage discharge part HM-350 built-in capacitor integrated high-frequency high-voltage power supply high-voltage impact part, wide application range, truly integrated and lightweight, leading domestic
Componet's information:
Application:
I. Power cable fault pre-locator
- It is used for main insulation fault pre-locating, It can test various faults of power cables of different voltage levels, different cross sections, different media and various materials under 35KV, including: open circuit, short circuit, low resistance, high resistance leakage, high resistance flashover fault etc. And accurate testing of railway airport signal control cables and streetlight cable faults.
- Working method: TDR,ICE,ARC
Main Technical parameter
1.It can test various faults of power cables of different voltage levels, different cross sections, different media and various materials under 35KV, including: open circuit, short circuit, low resistance, high resistance leakage, high resistance flashover fault etc.
2.It can test various faults of railway communication control cable, street light cable, airport signal cable,
3.Measure the speed of radio wave propagation in any cable of known length.
4.Testable power cable buried path and buried depth
5.It shall be capable of locating /detecting all underground transmission cable fault up to 35 KV network
6.Display method: 12.1-inch industrial grade LCD screen (win7 operating platform)
6.Testing distance≤100km.
7.Operation method: Dual operation, touch pen and touch mouse operation
8.Testing method: Low-voltage pulse method, flash current method, multiple pulse method.
9.Storage: 8G
10.Shortest test distance (blind area):0-5m or no blind area
11.Resolution: V/fm; V is the wave velocity m/μs; software cursor 0.10 m
12.Accuracy Pointed error: ±0.2m
Testing error: system error ≤±1%
13.Instrument sampling frequency:3.125 MHz ,6.25MHz,12.5MHz,25MHz,50MHz,100MHz,200 MHz,250 MHz;
14.Pulse Width: 50ns,80 ns,100ns,200 ns,1μs,2μs,5μs,10μs (automatic match)
15.Standby time: Can be used continuously for about 6 hours
16.Host net weight: 8kg
17.Host measuring size: 180mm×300mm×400mm
18. Environment temperature :-20ºC~+40ºC,relative humidity:80%
19. Power and power consumption:AC 220V±10% ≤15W DC 12V(7AH) ≤ 20W
II.Power cable fault location multiple impluse generator
Application:
- Used to offer the multi-impluse coupling signal for the cable fault location
- Automatically analyse the fault waveform cooperated with HM-300 Host
Main parameter
- Output voltage <40kV
- Power supply: AC 220V, 50hZ.
III. Cable fault locating HV signal generator
Application:
Inject the impluse high voltage into the faulty cable to repeat the fault for pre-locating and pinpointing
Main Technical Parameter
1.Output voltage:Negative pressure, 0~-35kv continuously adjustable
2.Working current:≤40mA
3.Operating mode: Single pulse, continuous pulse, DC output
4.Built-in capacitor:2uF/35kv
5.Discharge energy:≤1225J
6.Pulse period:3s~8s automatic
7.Automatic discharge: Automatic discharge at shutdown
8.Working power:220V±10%
9.Operating temperature:-10ºC~40ºC
10.Working humidity:≤80% Altitude:≤1000m
IV.Cable Fault Tracing and Pinpointer
Application:
Power cable main insulation path tracing and fault p
Inpointing.
HM-R10 path meter
- Detection distance< 15km
- Detection depth ≤ 3m
- Routing error< 5cm
- Transmitter
Output frequency:9.82kHz
output power:2W
- Routing receiver:
Input frequency:9.82kHz
Detection routing error:±2cm
Detection of buried depth error:±5cm
Battery: 9V laminated battery, working 8 hours continuously
- HM-C10A cable fault sound magnetic precision point meter
- 1.Sensor dynamic range:Sound channel>104dB.
2.Shock discharge sound amplification>90dB,Shock discharge volume upper 3.limit84dB(A)
4.LCD Monitor: Highlight true color screen 320 x 240,adopt to outdoor.
5. On-site continuous working hours:Alkaline replaceable battery for easy on-site use
v.Appilication:
){kind=link}