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Guided wave radar level meter when there is a kind of fault how to solve?

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Guided wave radar level meter when there is a kind of fault how to solve?

Guided wave radar level meter when there is a kind of fault how to solve?

2022-12-24

I believe that many users in the use of guided wave radar level meter have encountered fluctuations in the reading, many users do not know how to solve a moment, some users even directly want to replace the instrument, which does save time, but invariably greatly increased the cost. We should analyze the reasons for this situation, and then the correct debugging can be solved, today to introduce you to the next few methods.


Guided wave radar is based on the time travel principle of measuring instruments, radar waves run at the speed of light, running time can be converted into level signals through electronic components. The probe sends out high-frequency pulses and propagates along the cable or rod probe. When the pulses meet the material surface, they are reflected back and received by the receiver inside the instrument, and the distance signal is converted into a level signal. Thanks to the advanced microprocessor and the unique Echo Discovery echo processing technology, the magnetrol guided wave radar can be used in a variety of complex working conditions. A variety of process connection methods and detection component types make the 70X series of guided wave radar level meter suitable for a variety of complex working conditions and applications. Such as: high temperature, high pressure and small dielectric constant media, etc. Adopting pulse working mode, the guided wave radar level meter has extremely low emission power and can be installed in various metal and non-metal containers, which is harmless to human body and environment.

news-Guided wave radar level meter when there is a kind of fault how to solve-Kaidi Sensors-img

Guided wave radar level meter must pass the level meter identification standard calibration before use, but after using for a long time, the readings sometimes fluctuate, there are several reasons for this failure. Guided-wave radar level, measurement of the measurement blind area is too small. Changes in medium fluctuations can cause changes in the guided-wave radar level measurement readings, this phenomenon is caused by process deviations and does not belong to the instrument failure. Generally, after the medium fluctuation stops, the guided wave radar level measurement readings will return to normal. The installation position of the steel cable of the guided wave radar level measurement is too close to the inner wall of the equipment, which will easily cause the cable to swing and collide with the inner wall of the equipment. The installation position of the guided-wave radar level meter is close to the inlet, and the inlet scours the steel cable, resulting in fluctuations in the indicated value of the guided-wave radar level measurement. The guide wave strength of the meter wave radar is too strong or too weak, resulting in large changes in the reading. The steel wire rope of the guided wave radar level meter is installed loosely or without counterweight, which easily makes the steel wire rope swing and collide with the inner wall of the equipment, resulting in large fluctuation of the level meter indication.

news-Kaidi Sensors-Guided wave radar level meter when there is a kind of fault how to solve-img

There are several solutions to the above problems. The blind setting of the guide wave radar level meter must be adjusted according to the needs of the site, and the guide wave strength of the guide wave radar level meter must be adjusted according to the needs of the site. When installing the steel cable of the vega guided wave radar level transmitter, it should be strained and fixed, or reconfigured, and counterweights should be placed at the bottom of the steel cable of the guide wave radar level meter to prevent the steel cable from shaking during the measurement process. The installation position of the guide wave radar level meter must avoid the inlet and keep a proper distance from the tank wall. It is believed that doing these points can effectively avoid the fluctuation of the reading of the guided wave radar level meter.

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