Water meters play a vital role in the irrigation sector in many countries (especially in areas where water is scarce).
In the past few decades, the traditional irrigation industry has been using mechanical irrigation large watches, as shown in the following figure.
However, this meter is not suitable for all countries and regions. Because water quality is poor in some areas, many places extract irrigation water directly from rivers and puddles. Water is often accompanied by impurities such as wood chips, water plants, silt, and even small stones.
The sediment will continuously impact the movement of the water meter, causing internal scaling, which will hinder the normal rotation of the water movement.
If the water grass does not flow smoothly through the water meter, it will wrap around the impeller for a long time, causing the water meter to pass through the water but not counting.
The pebbles are even worse. Usually the water used for irrigation water is very fast. The pebbles can easily hit or even break through the impeller, causing the water meter to not work properly.
The ultrasonic water meter is a new type of water meter. There is no rotatable part inside the water meter. The tube section adopts a hollow structure, which can make the impurities in the water flow easily through the water meter. It is difficult to cause impurities in the water to cause the water meter to malfunction.
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