Dn15-6000mm Clamp On Ultrasonic Flowmeter With Sensor ( -30c - +160c ) - Flow Sensors - AliExpress
Amazon.com: CNYST Ultrasonic Flow Meters Liquid Flowmeter Wall Mounted Type TUF-2000SW with TL-1 Large Transducer for Pipe Diameter DN300 to 6000mm Max Liquid Temperature 90 Celsius Degree : Industrial & Scientific