Radar Flow Meter is an automatic flowmeter based on microwave technology, which measures the flow velocity and level of the fluid in a non-contact way to enable flow measurement. The sensor is used to monitor the flow velocity of open channels such as rivers, irrigation canals or sewage systems, and for monitoring and control of hydroelectric plants and wastewater treatment plants. The product features low power consumption, small size, high reliability and easy maintenance; the measurement process is not affected by temperature, sediment, river pollutants, floatage on the surface and other factors.