Ultrasonic open channel flowmeter
Key words:
Ultrasonic open channel flowmeter
Classification:
- DESCRIPTION
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Open channel flowmeter, according to the different measurement principles, is divided into ultrasonic open channel flowmeter, Doppler open channel flowmeter, multi-channel open channel flowmeter, they are in the open channel or channel measurement fluid flow system monitoring equipment. The open channel flowmeter monitoring system is suitable for the flow measurement of rectangular and trapezoidal open channels and culverts such as reservoirs, rivers, water conservancy projects, urban water supply, sewage treatment, farmland irrigation, water and water resources. It has been widely used in recent years.
Working principle
The physical quantity directly measured by the open channel flowmeter instrument is the liquid level. For open channel flow, a measuring weir groove is installed on the open channel. The measuring weir groove converts the flow rate in the open channel into the level of the liquid. The instrument measures the water level in the measuring weir trough, and then calculates the instantaneous flow rate according to the relationship between the water level and the flow rate of the corresponding measuring weir trough.
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