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Test InstrumentCable TesterCable Fault LocatorCable Fault Tester
Xian XZH Electric Power Technology Co., Ltd.
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Product Description Low voltage underground cable fault locator setXHGG502A2, XHDD503E, XHHV515-8LAccurately and quickly detect the main insulation failure of power cables with voltage levels of 35KVand below; calibrate the cable length; accurately detect the direction and depth of the cable buried. XHGG502A2 XHDD503E XHHV515-8LXHGG502A2DescriptionThe cable fault tester adopts an industrial-grade 10.1-inch touch-integrated computer, a simple operating software interface, industrial-grade integrated circuits and devices, and a built-in large-capacity lithium-ion battery, which is stable, reliable, and easy to use.This cable fault tester is a special instrument for measuring and analyzing the status and fault distance of power cables. This cable fault tester uses a combination of modern electronic technology and computer technology to achieve signal filtering, acquisition, data processing, graphic display, and graphic analysis. Cable speed measurement, cable length test, cable fault distance test.This cable fault tester 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. Network failure. The technical parameters comply with "GB/T 18268.1 Anti-interference requirements for test equipment used in industrial sites", "DL/T 849.1-2019 General technical conditions for special testers for power equipment Part 1: Cable fault flash tester", "JJF1042-2020" "Calibration Specifications for Cable Fault Testers" standard requirements.Work mode: TDR(low voltage pulse), High voltage flashover( ICE(Impulse current)/Decay)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 frequency80MHzLow voltage pulse amplitude100V±15%Ranging range≥65kmTest range 300m/1km/5km/25km/65kmPulse width0.125uS/0.50uS/2.50uS/7.25uS/10.0uSMinimum resolution0.1mTest blind area ≤20mMeasurement error ≤±(0.5%×L+1m), L is the cable lengthPower supply modecharging AC110V~240V, 50Hz/60HzVolume and weightL358mm×W284mm×H168mm-4.7kgWorking conditionsTemperature -20oC~+65oC, relative humidity 90%, atmospheric pressure 750±30mmHgPacking listXHDD503EDescriptionThe cable fault locator uses the principles of vibration pickup and electromagnetic induction to determine the specific location of the cable fault point. A high-voltage pulse generator is used to cause flash over discharge at the fault point. Physical phenomena such as vibration waves, sound waves, and electromagnetic waves generated by the flash over discharge at the fault point are picked up by a special probe of the pointing instrument, amplified, processed, displayed, and output by the cable fault pointing instrument. The precise location of the fault point is determined by the tester's hearing and vision. That is, the task of accurately locating the cable fault point "directly above the cable and within the range of rough measurement" is completed.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 flash over fault.Product features1. 5-inch touch-high brightness LCD ensures visibility under sunlight.2. It has 4 test modes: standard, enhanced, noise reduction, and customized.3. It has 4 positioning functions: acoustic-magnetic synchronization, pure acoustic, pure magnetic, and step voltage.4. It has background noise reduction technology and can choose from a variety of filtering methods.5. Equipped with BNR and mute functions.4. It has path deviation indication.5. Equipped with multi-layer physical isolation signal sensors, waterproof grade IP65.6. Built-in large-capacity lithium battery, long standby time, equipped with fast charger.7. Small and lightweight, easy to operate, and simple human-machine interface.Technical specificationFilter parameterslAll-pass: 100Hz~1600Hz.lLow pass: 100Hz~300Hz.lQualcomm: 160Hz~1600Hz.lBandpass: 200Hz~600Hz.Channel gain: 8 levels adjustable.Magnetic channel gain: 8 levels adjustable.Step voltage gain: 8 levels adjustable.Output gain: 16 levels (0~112db)Output impedance: 350ΩAcoustomagnetic positioning accuracy:≤0.1m.Step voltage positioning accuracy: ≤ 0.5m.Path identification accuracy: ≤ 0.5m.It has BNR background noise reduction and mute noise reduction functions.Display control method: 5-inch high-brightness touch screen control.Power supply: 4*18650 standard lithium batteries.Standby time: more than 8 hours.Volume: 428L×350W×230HOverall Weight:7kg.Ambient temperature: -25~65oC; Relative humidity: ≤90%.Instrument layout and instructionsComposition of the instrument1. Cable fault locator: accurately locate cable fault points within the rough measurement range.2. Probe: including probe, probe, three claws, and connecting rod, connected to the input channel to receive signals.3. Wear headphones; connect the input channel of the pointing instrument (feedback of the output signal).4.7-core signal line: connecting cable between the pointing instrument and the probe (connecting the pointing instrument and the probe).5. Charger: Connect to the charging socket of the instrument for charging.6.A frame: used when testing using the step voltage method.7. A-frame connection cable: cable fault locator and A-frame connection cable.8. Ground pin: A matching accessory for the A-frame. XHHV515-8LDescriptionThe XHHV515-8L High voltage pulse generator is a tie-rod portable integrated device, which is mainly used for shock discharge during low-voltage cable fault testing. The pulse generator adopts humanized design operation mode, high-precision dedicated high-voltage electronic components and high-frequency high-voltage technology, which is easy to operate, light in weight and easy to carry. Panel introductionPanel function description 1. Safety ground: The ground of the instrument shell must be reliably connected to the ground in order to prevent the instrument shell from being electrified or electric shock to personnel. 2. High-voltage ground: Also known as high-voltage tail, it must be grounded reliably to prevent high-voltage leakage and discharge. Poor contact may cause failure to boost the voltage, high voltage breakdown of the internal components of the instrument, and safety accidents caused by leakage or discharge inside the instrument. 3. Sampling ground: The negative terminal of the pulse energy storage capacitor has a high voltage and must be grounded reliably. It is used for sampling when the waveform is sampled under the high-voltage flashover state of the cable fault tester. (WithoutHigh voltage surge generator high-voltage flashover sampling, reliable grounding is still required). 4. Discharge button: Press this button to make contact with the ball gap, and discharge manually. (The duration of each key press cannot exceed 1s). 5. High voltage start button: When the start button light is on, it means that the voltage output is in the zero position. When the light is on, the start button is valid. If the start button light is not on after turning on the power switch, turn the voltage adjustment knob counterclockwise until the light is on. When the button light is on, press this button to start the device and generate high voltage output. 6. High-voltage stop button: When the test is completed or an abnormality occurs, press this button to cut off the high-voltage output, the high-voltage light goes out, and the internal discharge ball stops working. When the stop key is on, it means there is high voltage output, and when it is off, it means there is no high voltage output. 7. Over-current protection switch: When pressed, it means that the over-current protection function has started; when it is popped up, it means that the instrument has triggered the over-current protection. 8. Voltage adjustment: After turning on the device, you must first turn the knob counterclockwise to the end, press the start button, and then adjust clockwise to increase the output high voltage from small to large, and adjust counterclockwise to reduce the output high voltage from large to small. 9. Power switch: "I gear" turns on the AC 220V power supply switch, and "0 gear" turns off the system power. 10. The fuse holder: the place where the fuse of the AC 220V power supply system is installed. 11. Power socket: the working power supply of the instrument, AC 220V connection port.12. Time setting: Set the discharge time interval. 13. Ammeter: indication of the current on the high voltage side. 14. Voltmeter: high voltage output voltage indicating kV meter. 15. High-voltage output (EMP): When impacting discharge, connect the high-voltage output line. 16. High voltage output (DC): When DC withstand voltage, connect the high voltage output lineTechnical parametersImpact high voltage0~15kVHigh voltage partial pressure2.5 levelBuilt-in capacitor8μFDischarge power0-900JOutput voltage polaritynegative polarityImpact power250W @peakWorking modeSelectable or adjustable impulse rate and Single shotMinimum Output current in DC mode 16mA at 15kVLength of test cableThe 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 protection65oCOver current protection8mA (more than 3 seconds)Volume(mm)540L×300W×450HWeightnot more than 25kgPower supplyAC220V±15%, 50Hz±2Hz(60Hz) Ambient temperature-20~+60oCPacking ListOn-site photosWe are professional manufacturer of cable fault locator system~Welcome you contact us for more product information~Welcome customers visit us from all over the world!~
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