Analyze cable recognizers and other power fault detection equipment

2022/04/11
Noyafa Cable Tester

The cable recognition instrument and cable fault tester Xiaobian introduced in the previous article, I believe that everyone has a simple understanding of the role and characteristics of these two devices. Previously, netizens had consulted Xiaobian. What is the difference between these two devices? For cable recognition instruments and cable fault tester, Xiaobian introduced in the previous article, I believe that everyone has a simple understanding of the role and characteristics of these two devices. Previously, netizens had consulted Xiaobian. What is the difference between these two devices? In order to meet everyone's curiosity, Xiaobian will give you a brief introduction today.

Differences between cable recognizers and cable fault testers: First, the cable recognizers are identifying cable functions, and the cable fault tester is the path function of finding the path, the principle is large, the function and the method is very different, for example, The cable fault tester measurement must be in power out, and the cable recognizer is a chargeable measurement; the cable recognizer can accurately identify a single cable, and the cable fault tester can only be accurate path direction, today, we speak Cable recognizer technology principle and method of use of cable recognizers. First, the cable identifier technology is first identified by the cable needs to be grounded at the distal end, and the generator will periodically introduce the currently identified cable, and the current flowing only from this cable, all other All adjacent cables are returned to current, but their polarity is opposite, in addition to the difference in current, the current amplitude is also a identification feature, flowing out of the current through a cable, while returning the current can pass several cables, this It means that the current is larger than the return current flowing through other cables, the receiver detects the current direction and size of the cable, and the generated magnetic field is inductive in the coil of the sensor, the voltage polarity by the current direction and the sensor coil. The direction is determined that the voltage in the sensor coil displays the results of the measurement in the header. Second, the difference between the cable recognition instrument and the cable fault tester 1. Set the test circuit to ensure the normal use of the instrument, pay attention to the test circuit.

Connect the red output jack to the core wire of the cable to be identified, connect the black output jack to the ground, connect the cable core wire to the ground. 2. When the instrument calibrates the calibration receiver, you should pay the cable (close to generator) at the beginning, the arrow points to the current direction, that is, point to the distal end of the cable, and then detect the same reception sensitivity in need to detect, use the sensor Card each cable is over again, the arrow direction points to the distal end of the cable. When the cable needs to be identified, the receiver header shows the reading of 4-6 grid, and the right flap, all other cables are either no reading. Either the reading is extremely small and the inverting of the current direction is reversed to the left. The cable recognizer is only the function that is identified by the cable. Waiting for operation.

The above is the difference between the cable identifier and the cable fault tester, hoping to bring some help to people need.

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