Ultrasonic waves carry information about the flow rate of the fluid as it travels in the flowing fluid. So by receiving the ultrasonic wave can detect the flow rate of the fluid, which converted into the flow. According to the detection method, can be divided into propagation velocity difference method, Doppler method, beam offset method, noise method and correlation method, different types of ultrasonic flowmeter. Ultrasonic flowmeter is the rapid development of integrated circuit technology with the rapid development of a non-contact instrument, suitable for measuring difficult to contact and observe the fluid and large diameter flow. It is linked with the water level gauge can be open flow measurement. The use of ultrasonic flow than do not install the measurement components in the fluid will not change the fluid flow state, does not produce additional resistance, the installation of the instrument and maintenance can not affect the production pipeline operation and thus is an ideal energy-efficient flowmeter.
Portable Ultrasonic Flow Meter :http://www.kunlunsensors.com/productpage.php?pid=101
Handheld Ultrasonic Flow Meter :https://www.youtube.com/watch?v=lc3UQMjPm20
Automatic Tank Gauges :http://www.kunlunsensors.com
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