11.The wind direction sensor (transmitter) uses a high-precision magnetic sensitive chip inside, and uses a low inertia light metal wind vane to respond to the wind direction. 22.Dynamic characteristics are good. The product has the advantages of large measuring range, good linearity, strong anti-lightning ability, convenient observation, stable and reliable. 33.Can be widely used in meteorology, ocean, environment, airport, port, laboratory, industry and agriculture and transportation 44.Can be widely used in advertising barrier, weather, ocean, environment, airport, port, laboratory , industry and agriculture and transportation and other fields. 1 pc wind speed sensor 55.High strength, good start.Features: 1.The wind direction sensor (transmitter) uses a high-precision magnetic sensitive chip inside, and uses a low inertia light metal wind vane to respond to the wind direction. 2.Dynamic characteristics are good. The product has the advantages of large measuring range, good linearity, strong anti-lightning ability, convenient observation, stable and reliable. 3.Can be widely used in meteorology, ocean, environment, airport, port, laboratory, industry and agriculture and transportation 4.Can be widely used in advertising barrier, weather, ocean, environment, airport, port, laboratory , industry and agriculture and transportation and other fields. 1 pc wind speed sensor5.High strength, good start.Specification: Condition: 100% Material: PolycarbonateSize:Approx Height 19cm/7.4inch* length 18cm/7inch Measuring range: 0 ~ 360Accuracy: 3 Starting wind speed: 0.5m/s Output form: RS485 Instrument line length: 25m Current output impedance 250 Voltage output impedance 1K working environment: Temperature -40 C ~ 50 C Humidity 100%RH Protection level: IP45 Temperature class: 80 C Rated voltage: 300V Product power consumption: 5.5mW Package list: Main body *1line *1 Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.