Customization: | Available |
---|---|
After-sales Service: | Warranty Certificate |
Warranty: | 1 Year |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
XZH TEST portable 0-35KV and below voltage cable fault locator system cable fault detector can accurately and quickly detect the main insulation failure of power cables with voltage levels of 35KV and below; calibrate the cable length; accurately detect the direction and depth of the cable buried.
The system include a TDR cable fault pre locator, a high voltage surge generator and a cable fault pinpointer.
Model number: XHGG502A2, XHHV535-2L, XHDD503C
XHGG502A2 | Cable fault pre locator |
XHDD503C | Cable fault pinpointer |
XHHV535-2L | High voltage surge generator |
The system can quickly detect low-resistance, short-circuit, open-circuit and disconnection faults of various types of power cables with different cross-sections and different media, high-frequency coaxial cables, local telephone cables, street lamp cables, and buried wires, as well as high-resistance leakage and high-resistance flashover For permanent main insulation faults , calibrate the cable length.
1) Cable fault pre locator XHGG502A2: 10" color display touch operation mode, strong anti-interference ability;
2)System functions: fault distance measurement, fault pinpoint location, propagation speed test.
3)System test methods: low-voltage pulse,Impulse Current Method (ICE-Method = Impulse
Current Equipment), audio method, acoustic-magnetic synchronization method, electromagnetic induction method, etc.;
4)TDR Test distance: ≥65km
5)Measurement accuracy: Rough measurement error: ±10m (absolute value) or 1% (relative value), fine measurement error: ±0.2m (fixed point, path, depth);
6)TDR Sampling frequency: 400MHz, minimum resolution 0.5m (100m/us)
7)TDR Sampling method: automatic continuous sampling, never miss any discharge waveform.
8)Low voltage pulse: Width: Adaptive Amplitude: 300Vpp
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
XHDD503C
503C has a powerful background noise reduction function, especially suitable for complex environment cable fault accurate fixed point, acoustic magnetic synchronous detection, acoustic and magnetic wave time difference directly displayed on the screen, making fault judgment more simple.
503C also has auxiliary path detection function, when the fault point, the screen shows the probe on the left or right side of the cable, so that the operator does not deviate from the cable path.
Portable waterproof carrying case with no less than IP54 protection grade.
Features
1. 5-inch touch-high brightness LCD ensures visibility under sunlight.
2. Adopt acoustic and magnetic synchronous positioning technology to automatically calculate the acoustic and magnetic time difference.
3. The gain value and trigger value of the acoustic signal and magnetic signal can be manually adjusted to adapt to various environments.
4. It has background noise reduction technology and can choose from a variety of filtering methods.
5. It has BNR background noise reduction and mute noise reduction functions.
6. It has path deviation indication.
7. Equipped with multi-layer physical isolation signal sensors, waterproof grade IP65.
8. Built-in large-capacity lithium battery, long standby time, equipped with fast charger.
9. Small and lightweight, easy to operate, and simple human-machine interface.
1 | Filter parameters | All-pass: 100Hz~1600Hz. Low pass: 100Hz~300Hz. Qualcomm: 160Hz~1600Hz. Bandpass: 200Hz~600Hz. |
2 | Channel gain | 8 levels adjustable. |
3 | Magnetic channel gain | 8 levels adjustable. |
4 | Output gain | 16 levels (0~112db) |
5 | Output impedance | 350Ω |
6 | Acoustomagnetic positioning accuracy | less than 0.2m. |
7 | Path identification accuracy | less than 0.5m. |
8 | Power supply | 4*18650 standard lithium batteries. |
9 | Standby time | more than 8 hours. |
10 | Volume | 428L×350W×230H |
11 | Screen pixels | 854-480 |
12 | Brightness | 800nit |
13 | Transmission speed unit | 0-100ms |
14 | Accuracy | 1ms |
15 | Sound bandwidth | 100-1.6khz |
16 | Magnetic coil bandwidth | 100-20kHZ |
17 | Both sound and magnetism are | greater than 75db |
18 | Weight | 6.5kg. |
19 | Ambient temperature | -25~65ºC; Relative humidity: ≤90%. |
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
XHGG502A Cable fault pre locator
Accurately and quickly detect the main insulation failure of power cables with voltage levels of 35KV and below; calibrate the cable length; roughly test cable fault distance.
There are two test mode of XHGG502A2, low voltage pulse, high voltage flashover.
--------------------------------------------------------------------------------------------------------------------------------------------------------
The below picture shows cable fault distance measured by using high voltage flashover test mode of XHGG502A2
--------------------------------------------------------------------------------------------------------------------------------------------------------
The below picture shows cable length or cable open circuit fault distance measured by using low voltage pulse test mode of XHGG502A2. When using the low voltage pulse method, it is not necessary to connect the high voltage pulse generator. Other test methods must be used in conjunction with a high-voltage pulse generator.
The system has a one-button automatic testing function, which does not require manual analysis by technicians. Save you time, more convenient and faster.
Features
• 10.1-inch full-color TFT touch display;
• Embedded system, safe, stable and simple display and operation mode;
• With the function of testing cable wave speed, cable length and fault distance;
• Fully automatic continuous sampling, waveform capture at all times, timely and accurate.
• Equipped with automatic test range setting, automatic waveform analysis and display of test distance.
• Full English menu, two operation methods of touch and coded buttons, simple, fast and reliable.
• Equipped with testing technology of low-voltage pulse method, high-voltage flashover method, the waveform display is smooth and easy to interpret.
• The instrument has powerful data processing capabilities, making it convenient for users to manage and archive waveform files.
• Has a massive test waveform storage function: the waveforms tested on site can be conveniently stored in the instrument in the order specified by Chinese naming for recall and observation at any time; it can store more than 8,000 records of low-voltage pulses and high-voltage flashover waveforms, and multiple pulses More than 250 waveform records can be recorded, and waveform files can be imported into computer software for management and analysis using USB communication.
• Ultra-high brightness, LED backlight brightness reaches 280nit, resolution 1024*600, convenient for environments exposed to direct sunlight in operation.
Technical specification
Sampling frequency | 80MHz |
Low voltage pulse amplitude | 100V±15% |
Ranging range | ≥65km |
Test range | 300m/1km/5km/25km/65km |
Pulse width | 0.125uS/0.50uS/2.50uS/7.25uS/10.0uS |
Minimum resolution | 0.1m |
Test blind area | ≤20m |
Measurement error | ≤±(0.5%×L+1m), L is the cable length |
Power supply mode | charging AC110V~240V, 50Hz/60Hz |
Volume and weight | L358mm×W284mm×H168mm-4.7kg |
Working conditions | Temperature -20ºC~+65ºC, relative humidity 90%, atmospheric pressure 750±30mmHg |
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
The XHHV535-2L high voltage pulse generator is mainly used for shock discharge during low-voltage cable fault testing. The equipment completely replaces the traditional test transformer, operation box and pulse energy storage capacitor weighing hundreds of kilograms, and integrates the energy storage capacitor, DC high voltage source, and discharge ball gap. It adopts high precision, high stability special high voltage electronic components and high-frequency technology, simple structure, ultra-light weight, and user-friendly design and operation mode, which is safe and reliable.
The XHHV535-2L High voltage pulse generator with over-current, over-voltage, over-heating automatic protection function, When working, the high-voltage pulse output is uniform and controllable. The panel is equipped with a relay, and the discharge time interval can be arbitrarily set within 0-100 seconds.
This high voltage surge generator has a super short circuit protection function, which can make the high voltage output work directly to the ground.
With 1.5 level. The voltage pointer meter shows that the impact discharge process is clearly visible. In addition, it measures the high-voltage side voltage, making the measurement accurate in real time. It has zero start protection and potentiometer zero output function. In the stop state, the voltmeter can indicate the capacitor voltage in real time, which is convenient for users to check and discharge after operation.
Technical parameters
Impact high voltage | 0~32kV |
High voltage partial pressure | 2.5 level |
Built-in capacitor | 2μF |
Discharge power | 0-1024J |
Output voltage polarity | negative polarity |
Impact power | 250W@peak |
Working mode | Selectable or adjustable impulse rate and Single shot |
Minimum Output current in DC mode | 7.5mA at 32kV |
Length of test cable | The high-voltage output line of the pull-rod type high-voltage pulse generator is 2 meters long, the ground line is 3 meters long, and the power line is 1.8 meters long. |
Over temperature protection | 65ºC |
Over current protection | 8mA (more than 3 seconds) |
Volume(mm) | 540L×300W×450H |
Weight | not more than 25kg |
Power supply | AC220V±15%, 50Hz±2Hz(60Hz) |
Ambient temperature | -20~+60ºC |
Cable length | High voltage output cable - 2 meters, ground wires - 2.5 meters, power cable - 1.8 meters. |
We are a professional manufacturer of cable fault detection equipment.
XZHTEST
Welcome you contact us for more information.