Three Steps to Identifying Cable Faults

2022/06/09

Author: Noyafa–Cable Locator Suppliers

Cable fault test steps Three steps to find out the cable fault Cable fault test steps Each product will have some small problems in the process of use, and these problems will not affect the normal use of the product, as long as it is mastered The use and diagnosis of the instrument can help you use it correctly. The editor will briefly explain the three steps to find out the cable fault. The fault test is generally divided into the following steps: First, find out the basic situation of the faulty cable: First, measure the insulation resistance of the faulty cable with a shaker and a multimeter, and use a low-voltage pulse to measure the full length of the cable, whether there is a broken wire, a short circuit, etc. Second, determine the appropriate test method according to the specific situation of the fault, and measure the fault distance of the cable.

Generally, we put the disconnection fault and the DC resistance value at 100ΩThe following cable faults are called low-resistance (open-circuit) faults, and are tested by the low-voltage pulse method. Third, detect the path and depth of cable burial near the fault point. Finally, determine the exact location of the fault point.

Disconnect all wires from the beginning and end of the cable before testing. The panel of the test system has“input amplitude”and“displacement”Two knobs are used to adjust the amplitude of the input signal for the next sampling and the up and down position of the waveform. Three steps to find out the cable fault Cable fault test steps Shenzhen Noyafa Electronic Technology Co., Ltd.

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