The Greyline Instruments SE4-A is a non-intrusive, single-head ultrasonic velocity sensor for measuring flow in any pipe material that conducts ultrasound including PVC, carbon steel, stainless steel, cast iron, fiberglass, and lined pipes. The clamp-on sensor is designed to fit on the outside of any pipe diameter 1/2″ or larger. The sensor can withstand accidental submersion.
