The TUF ultrasonic gas flowmeter adopts a multi-path design, which helps reduce the influence of eddy currents and asymmetric flows on metering. It is a metering instrument with stability, high precision and high reliability, and supports multiple communication methods to meet the diverse needs of users. It can be widely used for the measurement of natural gas, alkanes and industrial inert gases in industries such as petroleum, chemical engineering, power and metallurgy, and is suitable for city gas measurement.