TDS-100F-M2 Fixed Ultrasonic Flowmeters Wall-Mount Flow Meter DN50-700mm 1.97-27.56in with M2 Transducer: Amazon.com: Industrial & Scientific
ultrasonic water flow meter-GAIMC Group
Ultrasonic Flow Meters
Sensors | Free Full-Text | Measurement of Pipe and Liquid Parameters Using the Beam Steering Capabilities of Array-Based Clamp-On Ultrasonic Flow Meters
Ultrasonic flow meter - DeltawaveC-Fix - systec Controls - for gas / for liquids / DN10 - 3/8"