Wall-Mount Ultrasonic Transit-Time Flowmeter:   The FV2000 Ultrasonic flowmeter General Purpose Wall-Mount Clamp-on Ultrasonic Flowmeter is the first member of the 7rd generation ultrasonic flowmeters from Shenitech. Compared with the predecessors, the 7rd generation ultrasonic flowmeters offer better performances and a richer feature set, all at a lower price. The FV2000 Ultrasonic flowmeter is designed to be installed at a fixed location for long-term flow measurement from outside of a pipe that carries pure liquids and liquids with minor suspended particles.