NOYAFA Electronic specializing in testing instruments and cable testers for 16 years
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NOYAFA Electronic specializing in testing instruments and cable testers for 16 years
Author: Noyafa–Noyafa Cable Tester
How to distinguish high and low voltage of cable fault tester How to distinguish high and low voltage of cable fault tester The detection of low-resistance, short-circuit, open-circuit and various high-resistance faults of frequency coaxial cables and local telephone cables Tester high and low voltage cable fault tester manufacturers 1. First, it is necessary to determine whether the cable fault is high resistance or low resistance or grounding. The cable fault tester manufacturer adopts different test methods according to this condition. The fault distance can be measured by the second or third pulse. Compared with the traditional test method, the advanced point of the second and third pulse method is to simplify the complex waveform in the shock high voltage flashover method into a simple low voltage pulse short circuit fault. Therefore, the interpretation is extremely simple, and the fault distance can be accurately calibrated. 2. When looking for the path, the manufacturer of the cable fault tester should add a signal to the cable, then use the receiver to receive the signal, and walk along the path with the signal to determine the path of the cable.
3. Accurate positioning according to the measured distance. When the manufacturer of the cable fault tester hears the loud sound from the earphone of the pointing device, it is the location of the fault point. Shenzhen Noyafa Electronic Technology Co., Ltd.
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