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–Cable Tester Manufacturer
What is the working principle of the cable identification instrument? When the receiving clamp detector detects a special signal applied to the cable, the meter pointer on the signal detector swings synchronously with the frequency of the applied signal, while the signals detected on other cables are much smaller and In the opposite direction, what is the working principle of the cable identification instrument? When the receiving clamp detector detects a special signal applied to the cable, the meter pointer on the signal detector swings synchronously with the frequency of the applied signal, while the signals detected on other cables must be It is much smaller and the direction is opposite. It is easy to determine the cable under test by indicating the amplitude and direction of the power meter. When the receiving clamp signal detector is used in combination with the signal generator, it can be used for judging the live state of the cable, or assisting in finding the short-circuit position of the cable. When the receiver clamp signal detector is used, the cable should be clamped by the clamp jaw.
The cable identification instrument consists of three parts: a signal generator, a receiving clamp signal detector and an indicator meter. The signal generator mainly generates a special pulse modulation signal, which is added to the stopped cable under test through the output line. cable under test.
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