SL 1278 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. 

This universal transit-time meter features a dual-function push button interface, ergonomic handheld design and a beautiful 3.5in TFT back lit digital display that significantly simplifies setup and data collection. 

Comparing with other traditional flow meter or ultrasonic flow meter, it has distinctive features such as high precision,high reliability, high capability and low cost, the flow meter features other advantages: 

TVT technology designed.Less hardware components, low voltage broadband pulse transmission, low consumption power.Clear, user-friendly menu selections make flow meter simple and convenient to use. Daily, monthly and yearly totalized flow. Parallel operation of positive, negative and net flow totalises with scale factor (span) and 7 digit display, while the output of totalize pulse and frequency output are transmitted viarelay and open collector.