Characteristics of High Voltage Cable Fault Tester

High voltage cable fault tester is a comprehensive cable fault detection instrument. It can test the high resistance flashover fault, high and low resistance grounding, short circuit, cable disconnection, poor contact and other faults of the cable. If it is equipped with an acoustic point detector, it can accurately determine the accurate position of the fault point. It is especially suitable for testing power cables and communication cables of various models and different levels of voltage. 1. Complete functions, safe, rapid and accurate fault test. The instrument adopts low-voltage pulse method and high-voltage flashover method to detect various faults of cables, especially the flashover and high resistance faults of cables can be tested directly without burning through. If equipped with acoustic method pointing instrument, the accurate position of fault can be measured accurately. 2. The test precision is high. The instrument adopts high-speed data sampling technology. The A / D sampling speed is 100MHz, so that the reading resolution of the instrument is 1m and the detection blind area is 1m. 3. High degree of intelligence. The test results are automatically displayed on the large screen LCD with waveform and data, and the fault judgment is intuitive. It is equipped with full Chinese menu display operation function, without special training for operators. 4. It has the functions of waveform and parameter storage and call out. It adopts nonvolatile devices, and the waveform and data are not volatile after shutdown. 5. It has double trace display function, which can compare the test waveform of the faulty cable with the normal waveform, which is conducive to further judgment of the fault. 6. It has the function of waveform expansion ratio. By changing the waveform ratio, the expanded waveform can be tested accurately. 7. The position of the double cursor can be changed arbitrarily to directly display the direct distance or relative distance between the fault point and the test point. 8. It has the function of modifying the propagation speed at any time according to different tested cables. 9. Small volume, portable appearance, built-in rechargeable battery power supply, easy to carry and use. Dear customers: Hello, our company is a high-quality development group with strong technical force, providing users with high-quality products, complete solutions and superior technical services. The main products are underground cable fault tester, intelligent cable fault tester, buried cable fault detector, etc. The enterprise adheres to the tenet of building a business in good faith, keeping the business with quality and developing the business with enterprising. It continues to climb new peaks with a firmer pace and make contributions to the national automation industry. New and old customers are welcome to buy their favorite products at ease. We will serve you wholeheartedly!

Characteristics of High Voltage Cable Fault Tester 1

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Theory of Cable Fault Locator
The basic function of cable fault locator is in the power industry and some industries using cables, especially in some complex power systems. It is very difficult to find the fault of underground cable lines. However, in this regard, the continuous emergence of equipment with various functions and simple operation can not only reduce the high cost of fault detection, but also reduce the inevitable long-time power failure when difficult to find (cable fault locator) cable fault, which brings a lot of convenience to troubleshooting. Direct buried cable fault detection in underground direct buried cable and underground residential power distribution (URD) system is a very time-consuming thing, and will cause very inconvenient power failure to users. Some technologies may also damage the cable. For some equipment with high technical requirements, its operation is more complex, and only operators with strict training can use it, which brings a lot of inconvenience to the popularization and application of this kind of technical equipment. Therefore, the selection of appropriate technology depends partly on the knowledge of cable system design understood by the designer of fault detector, and also partly on the professional and technical knowledge of equipment and operators in this regard. With appropriate equipment and professional technology working on site, it is the first step to detect faults quickly and effectively. Hammering (pulse) method many power companies use hammering (pulse) method. This technique is effective in detecting high resistance faults in a simple (cable fault locator) cable system. The hammering method includes using a pulse or impulse voltage to impact the power cut cable. When an effective high voltage pulse strikes the fault area, the fault point flashover and produces a hammering sound that can be heard by the operator along the cable surface. However, detecting cable faults often requires several hammers, and repeated shocks may damage the cable. Dear customers: Hello, our company is a high-quality development group with strong technical force, providing users with high-quality products, complete solutions and superior technical services. The enterprise adheres to the tenet of building a business in good faith, keeping the business with quality and developing the business with enterprising. It continues to climb new peaks with a firmer pace and make contributions to the national automation industry. New and old customers are welcome to buy their favorite products at ease. We will serve you wholeheartedly!
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