RSBL type digital target flowmeter is a new type of force-sensitive target flowmeter. It has the characteristics of no moving parts of traditional target, orifice plate, vortex flow meter, and has the measurement accuracy comparable to that of volumetric flow meter. In addition, it has the characteristics of anti-interference, anti-sediment, light and reliable. It is widely used in petroleum, chemical, energy, food, environmental protection, water conservancy and other fields.