P116 portable ultrasonic flow meter enables the user to do flow measurement checks at many points in a flow process without the need for a permanent installation. Battery powered,Website:http://www.pflowmeter.com, lightweight, and rugged, the P116 is a totally self-contained flow measurement package. This universal transit-time meter features a dual-function push button interface, ergonomic handheld design and a beautiful backlit color digital display that significantly simplifies setup and data collection.