DF601 adopts the integral hot-film wind speed element, and the surface of the element has a glass protective layer, so that the sensor probe has good anti-vibration, anti-pollution and anti-moisture capabilities. The sensor has a plurality of installation structures, and different probe structures are selected according to different application occasions, so that the probe can be conveniently fixed at a reasonable position in the measured airflow field to obtain stable signal output. Accurate linear correction circuit design and detailed calibration process make the DF601 sensor have good accuracy and consistency.