How to solve the inaccurate measurement of ultrasonic level gauge due to large fluctuation of liquid level?

What should I do if the measurement of the ultrasonic level gauge with large liquid level fluctuation is inaccurate? The ultrasonic sensor is an ultrasonic pulse signal sent by an ultrasonic probe, which propagates in the gas, and is reflected after encountering the interface between the air and the liquid. high. However, if there is agitation in the on-site container and the liquid fluctuation is relatively large, it will affect the measurement of the ultrasonic level gauge, and there will be no signal or severe data fluctuation. The reason for the measurement failure of the ultrasonic level gauge is that the measurement distance of the ultrasonic level gauge refers to the calm liquid level. When the liquid level in the container fluctuates or is stirred, the liquid level is not calm, and the reflected signal will Attenuate to less than half of the normal signal, so the measurement value of the ultrasonic level gauge will be disturbed. To eliminate the influence of the stirring in the container on the measurement of the ultrasonic level gauge, we need to choose an ultrasonic level gauge with a larger range. If the actual range is 5 meters, we need to use an ultrasonic level with a range of 10 meters or 15 meters. If you do not replace the ultrasonic level gauge and the liquid in the tank is non-viscous, you can also install a still-pipe, and place the ultrasonic level gauge probe in the still-pipe to measure the height of the level gauge, because the liquid level in the still-pipe It is basically stable, and it is recommended to change the two-wire ultrasonic level gauge to a four-wire one.

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