The solution to the random jump of the measured value of the ultrasonic liquid level meter

There will be some failures in the ultrasonic level gauge during use. Sometimes the liquid level meter will appear the phenomenon of random jumping, how to solve it? 1. The signal strength of the ultrasonic level gauge fluctuates greatly. The reason why the ultrasonic liquid level count value jumps around may be that the signal strength of the ultrasonic liquid level meter fluctuates greatly, and the measurement value itself fluctuates greatly. It is recommended to adjust the position of the probe to ensure stable signal strength. For example, if its own value fluctuates greatly, it is recommended to re-select the installation position. 2. The horn mouth of the ultrasonic level gauge sensor has freezing phenomenon, or there may be suspended solids and electromagnetic field interference. It is recommended to install the level gauge away from the variable frequency motor, high-power electric equipment and strong magnetic field interference, and to have a good grounding wire. If the installation position cannot be changed, a metal instrument box should be installed outside the ultrasonic level gauge to isolate and shield, and the instrument box also needs to be grounded. 3. Whether the installation meets the requirements of the manufacturer, such as the covering layer, the length of the PVC pipe insertion, etc. It is recommended to reinstall the level gauge again. Fourth, the echo adjustment parameters, and also check whether the upper limit blind zone is exceeded. 5. Check whether the liquid level is stable, such as whether there is foam. If there is no foam, the flowmeter needs to be re-calibrated.

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