GMF200-H series hand-held ultrasonic flowmeter realizes non-contact measurement of liquid flow. Install the sensor on the outer wall of the pipe to complete the flow measurement. With small size, easy to carry, accurate measurement and so on. Widely used in tap water, heating, water conservancy, metallurgy, chemical, machinery, energy and other industries. It can be used for production monitoring, flow calibration, temporary detection, flow inspection, water meter balance debugging, heating network balance debugging, and energy saving monitoring. It is a necessary tool for timely flow detection.