What are the detection methods of pipeline detectors?

2022/05/26

Author: Noyafa–Noyafa Cable Tester

What are the detection methods of the pipeline detector? The price of the pipeline detector? Several detection methods of the pipeline detector are a new type of instrument for detecting the depth and damage of underground pipelines and cables. During the detection process, it will not cause damage to the surface and harm the environment. Very friendly. What are the detection methods of the pipeline detector? The price of the pipeline detector? Several detection methods of the pipeline detector are a new type of instrument for detecting the depth and damage of underground pipelines and cables. During the detection process, it will not cause damage to the surface and harm the environment. Very friendly. Today, I will introduce you to several common pipeline inspection methods.

1. Signal clamping method. At the same time, apply the transmitting signal to the fixture, and then put the fixture on the metal pipe or cable under test.

The clip is equivalent to the primary coil, and the coil formed by the pipe and the ground is equivalent to the secondary coil. When the AC current output by the transmitter enters the primary winding and the annular magnetic field passes through the pipeline loop, an induced secondary current is generated in the pipeline. 2.

Dynamic source emission method. The power source launch method is to place the receiver above the detection target pipe or pipe dew point, move the transmitter to an appropriate distance (perpendicular to the pipe direction), and observe the change of the receiver signal. When the signal is strongest, the position of the transmitter is the position of the projected point of the target pipe on the ground.

3. Offset sensing. Offset induction is to excite the target pipeline in the relatively thin section of the pipeline to reduce the impact of the side pipeline, and highlight the effective signal of the measured pipeline in the section with high pipeline density, so as to achieve high signal-to-noise ratio and high resolution. the purpose of rate detection.

They have certain requirements for the launch location. Shenzhen Noyafa Electronic Technology Co., Ltd.

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