about P118i P118i portable ultrasonic flow meter enables the user to do flow measurement checks at many points in a flowprocess without the need for a permanent installation. This ultrasonic flowmeter adopts Gentos unique PICOFLY time measurement technology,Website:http://www.pflowmeter.com, which could make the resolution reach to 10 picoseconds(0.01 nanosecond). It realizes the high respondence and high accuracy ultrasonic measurement technology and application. Comparing with other traditional flowmeter or ultrasonic flowmeter, it has distinctive features such as high precision, high reliability, high capability and low cost, the flowmeter features other advantages: PICOFLY technology designed.Less hardware components, low voltage broadband pulse transmission, low consumption power.Clear, user-friendly menu selections make flowmeter simple and convenient to use.Daily, monthly and yearly totalized flow.Parallel operation of positive, negative and net flow totalizes with scale factor (span) and 7 digit display, while the output of totalize pulse and frequency output are transmitted via relay and open collector.