Proflow Huf 20 Series Ultrasonic Clamp-on Flowmeter

"For external flow measurement on pipes DN 15 to DN 6000
Proflow HUF 20 series ultrasonic flowmeters are reliable flowmeters which are used to measure the flow rate with 2 ultrasonic sensors mounted on the outside of the pipes.
The Proflow HUF 20 ultrasonic flowmeters are easy to install and operate, with virtually no maintenance."