DFRobot RS485 Wind Speed Transmitter is a professional meteorological instrument used to measure horizontal wind speed within 0~32.4m/s. The transmitter integrates a hall sensor. The shell and wind cups are made of aluminum alloy material and use special mold precision die casting process. It features small dimension tolerance and high surface accuracy. The sensor internal circuit is protected, which makes the sensor have the properties of high strength, weather resistance, anti-corrosion, and waterproof. The cable connector adopts a corrosion-resistant military plug that ensures the long service life of the product.