F2 ultrasonic flow meter is invented, with all-in-one Compact Design, which allows fast installation and convenient flow measurement. The meter comprises of 2 flow sensors, clamps, and Central Processing Unit for flow metering. Non-invasive installation available, the sensors are installed outside the pipe.No pressure drop, low maintenance cost.It is unnecessary to cut the pipe, stop flow for installation and there is no pressure loss. F2 also has rich network functions, supporting Wi-Fi, 4-20mA output, Rs485, OCT/Relay, etc, with Cloud data storage and analysis management system. You can have access to "Gentos iCloud", or customize the version that connects to your own cloud system/intelligent management system, realized unattended and unified administration.