| Customization: | Available |
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| After-sales Service: | Warranty Certificate |
| Warranty: | 12 Months |
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XZH TEST cable fault location system is designed for 35kV and below underground cable fault detection. 
★Cable fault pre-location: with the reflectometer XHGG502 based on the low-voltage impulse reflection method(TDR), ICE(impulse current test method), multiple impulse(ARC-multi-short)arc reflection method.
★cable path tracing, buried depth detection and live and unlive cable identification: XHGX507 multi-functional cable pipe locator is an all-digital locator with clear display and reliable positioning. Graphical operation instructions and sound indication, making it the easiest-to-use pipe locator available today. Powered by rechargeable battery, it can also display cable depth and current.
★Cable fault pinpoint location: XHDD503C uses acoustic-magnetic synchronization method, digital display waveforms of sound and magnetic, judge cable fault point by time difference and earphone, make detection more easier.
The portable cable fault location system is configured with the removable ARC cable fault locator with ultra-high brightness, large LCD screen 12.1" display with touch control, making the process of fault pre-location quick, easy and efficient.
High voltage 2048 J surge generator XHHV535-4TS is accompanied by a surge levels switch which allows to achieve the maximum surge impulse energy at 8, 16 and 32 kV.
It has features operator safety assurance systems and provides a reliable and comprehensive technical solution for low- and medium-voltage cables faults.
| XHGG502 | ARC cable fault pre-locator | For cable fault rough distance test , test method: low voltage pulse, ICE, ARC(multi-shot), DECAY, ARC(single-shot) |
| XHDD503C | Digital cable fault pinpointer | For precise location of cable fault point |
| XHGX507 | Comprehensive cable fault tester | detect cable path, buried depth, identify cables, locate low voltage to ground cable fault |
| XHHV535-4TS | High voltage pulse generator | discharge during cable fault location/cable thumping |
Welcome you contact us for more information of each equipment.
The cable fault location instrument XHDD503C uses the acoustic and magnetic synchronization method to determine the power cable fault point. The electronic flashover is generated by the impact discharge generator, picked up and amplified by the corresponding probe, and the precise location of the fault point is determined by auditory and visual judgment. It is a device that completes the precise positioning of the cable fault point within the rough measurement range and collects the acoustic and magnetic time difference. It integrates positioning technology, path-assisted testing and other technologies, providing multiple test modes and rich and diverse prompt information to efficiently and accurately complete cable fault location.
This fixed-point instrument is suitable for low-resistance, short-circuit, open-circuit and disconnection faults of power cables, high-frequency coaxial cables, street light cables, and buried wires made of various materials with different cross-sections and media, as well as high-resistance leakage and high-resistance flashover. Fault. The technical parameters comply with "GB/T 18268.1 Anti-interference requirements for test equipment used in industrial sites".
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.
Technical indicators
| 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 | Weight | 6.5kg. |
| 12 | Ambient temperature | -25~65ºC; Relative humidity: ≤90%. |
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XHGG502 ARC 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
Cable fault pre-location: with the reflectometer XHGG502 based on the low-voltage impulse reflection method(TDR), and high-voltage decay(flashover) method (DECAY), arc reflection method(single-shot/ multi-shot).
There are three test mode of XHGG502, low voltage pulse, high voltage flashover, ARC multi-shot.
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The below picture shows cable fault distance measured by using ARC multi-shot test mode of XHGG502.
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The below picture shows cable fault distance measured by using high voltage flashover test mode of XHGG502
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The below picture shows cable length or cable open circuit fault distance measured by using low voltage pulse test mode of XHGG502. 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.
Technical specification
| Sampling frequency | 400MHz |
| Minimum resolution | 0.5m (100m/us) |
| Low voltage pulse width | 0.2uS/2uS/4uS |
| Test blind zone | ≤20m |
| Ranging range | ≥68km |
| Measurement error | ≤±(0.5%×L+1m), L is the cable length |
| There are three test cable lengths | <1km (short distance); <3km (medium distance); >3km (long distance), (low-voltage pulse test amplitude: 400Vpp) |
| Pulse coupler withstand voltage | DC 35kV |
| Measuring pulse | Low voltage pulse 300V±10% |
| Output impedance | 350 Ohm |
| Input signal gain | ±64dB |
| Power consumption | 120VA |
| propagation speed factor | 10-300m/μs |
| Working conditions | temperature -25ºC~+65ºC, relative humidity 85%, atmospheric pressure 750±30mmHg |
| Volume and weight | Cable fault tester 430×380×220mm-10kg; Pulse coupler 430×380×220mm-10kg |
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XHGX507 underground cable pipe locator is mainly used for cable fault location, cable identification, cable path and depth measurement. It can complete tasks that could only be accomplished by a few sets of instruments in the past.
Features
The large-screen LCD displays the signal strength, and the bar, arrows and voice prompts make it easy for the operator to judge the underground position of the cable and the fault point. One person can do it all.
All-digital design, clear large-screen LCD graphic display and reliable positioning
Portable and lightweight, easy to carry
Built-in rechargeable battery
Built-in ohmmeter to measure cable loop resistance
Can be used to detect insulation faults up to 2MΩ to ground
With backlight function to adapt to night operation
Built-in ohmmeter to measure cable loop resistance
Display cable depth and current
All accessories
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The XHHV535-4TS high voltage pulse generator can be used impulse discharge and withstand voltage test in low and high voltage cable fault test. High-precision test cable fault sampling waveform module and small transformer are installed inside, which can truly achieve the effect of not being damaged by impact, and it also has the functions of automatic timing impact, manual impact and withstand voltage test.
This device integrates a high-voltage DC source, an energy storage capacitor, a discharge ball device, an automatic discharge device, and a voltage level switching device into a cart-type high-end experimental instrument. It is a trolley-type high-end experimental instrument. The equipment completely solves the problems of ease of use, portability, safety and reliability of traditional experimental devices.
When the XHHV535-4TS trolley-type high-voltage pulse generator is in use, after selecting the function switch, press the start button to perform high-voltage boosting work. After use, press the stop button, and the internal system will automatically release the remaining high voltage on the accumulator.
The high voltage surge generator also has the function of zero-start protection, which can make the operation of the device more safe and reliable. It has super short-circuit protection function, which can make the high-voltage output work directly to the ground. With three-gear voltage range and capacitance capacity switching function, users can choose different equipment voltage adaption gears according to different cable voltage needs, making the test process easier.
High voltage surge generator XHHV535-4TS |
Surge voltage levels and adjustment ranges |
Level 1 : 0-8KV Level 2: 0-16KV Level 3: 0-32KV |
| Surge voltage levels switch | Manual | |
| Voltage adjustment type | Continuous | |
| Indication | High-voltage side voltage metering, indication of output voltage and current in real time | |
| Surge energy at each level | Up to 2048J | |
| Operating mode | Single trigger, cycle, DC | |
| Operating modes switch | Manual | |
| Impact time | about 5 seconds for automatic impact, arbitrary control time for manual impact | |
| Impact power | 2KVA | |
| Continuous output current | 60mA | |
| Built-in capacitor | 4μF/32kV, 16μF/16kV, 64μF/8kV three-speed adjustment | |
| Safe protection | With zero start protection function, safe and reliable | |
| Discharge | Unique high-voltage measurement design, in the stop state, it will automatically discharge the internal capacitance of the device | |
| Working power | AC 220V±10% 50Hz±2Hz (other voltage and frequency can be customized) | |
| DC withstand voltage testing | Output voltage adjustment and indication range 0-32KV, Output current indication range 0-20A |
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| Burn current | Fault conditioning (burning) with current up to 60 mA @ 32 kV,When the voltage is low, the current will be larger, reaching to 1A |
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| Connecting cable | High voltage output cable: 5m, Protective earthing cable:5m,power cord 2.5m | |
| Safety | Over-voltage, Over-current, Overheating protection. Automatic discharge after operation. |
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| Protection rating | Not lower than IP54 | |
| Working power | AC 220V±10% 50Hz±2Hz(other voltage and 60Hz optional) | |
| Dimensions(mm) | 534L×444W×805H | |
| Total weight | About 120kg |
2024 new update-The power socket, fuse holder, and signal socket have been moved to the side, making it more convenient to use when you put the device in the car to detect cable faults.
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XZH TEST is professional manufacturer of underground cable fault location system. We can provide you with customized services or provide the perfect solution for your cable fault detection program.
Welcome you contact us for more information~
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