Wall mounted ultrasonic flow meter has been one of the most popular type in product line of ultrasonic flow meters and have been developed for several generation. The wall mounted unit can support AC and PC power supply. With rugged die casting aluminum enclosure, the protection class can reach IP65 and can be used in many harsh environment. The flowmeter has versatile output,e.g. 4-20ma, relay switch signal, RS485(Modbus,M-bus), pulse output, frequency output. Also we have added built-in SD data logger to the meter which supports SD card of 1G-8G. The data is stored in *.TXT file which is easy to process.