Specification Brand : Haofy BulletPoint1 : [Extension Cable Included] The wind speed sensor comes with a 0.8m long extension line featuring a sealing washer design for . easily extend the of your sensor for customized installations. BulletPoint2 : [Wiring Mode Options] With compatibility for two cable outlet modes - bottom and side, this wind speed monitoring sensor provides flexibility in installation. choose the option that best suits your setup. BulletPoint3 : [Weather : Designed to withstand harsh environments, this wind speed sensor anemometer offers strong pressure and exceptional wind for various applications from greenhouses to airports. BulletPoint4 : [Strong Material] The wind cup is crafted from top-quality abs material, offering impressive strength, low starting wind speed, and excellent erosion this ensures durability and performance. BulletPoint5 : [Interference : Equipped with strong interference prevention, this wind speed sensor is compact and lightweight, making it easy to carry and assemble. enjoy accurate wind speed monitoring without disruptions. ItemName : Haofy Wind Speed Sensor Anemometer with Interference for Harsh Environments ItemPackageDimensions_Height : 15 centimeters ItemPackageDimensions_Length : 19 centimeters ItemPackageDimensions_Width : 17 centimeters ItemTypeKeyword : anemometers Manufacturer : Haofy ModelName : Haofyyn02w95vgb ModelNumber : Haofyyn02w95vgb PartNumber : Haofyyn02w95vgb ProductDescription : Spec: Item Type: Wind Speed Monitoring Sensor Material: ABS Size: Approx. 158 x 180 x 70mm / 6.22 x 7.09 x 2.76in Power Supply Voltage: DC9-30V Output: 4-20mA Measurement Range: Wind speed 0~45m/s Extension Line Length: Approx. 0.8m / 2.6ft Accuracy: ±(0.5+0.02V)m/s(V represent real time wind speed value) Resolution: 0.1m/s Startup Wind Speed: ≤0.8m/s Maximum Power Consumption: 0.48W Load Capacity: DC12V power supply, current output impedance ≤350Ω DC24V power supply, current output impedance ≤900Ω, voltage output impedance ≥1KΩ Working Environment: Temperature: -35℃~60℃, Humidity: ≤100%RH non condensing Level: IP64 Widely Used In: Greenhouses, environmental , ships, docks, aquaculture, advertising gate barriers, weather, marine, environmental, airports, ports, laboratories, industrial, agricultural and traffic environments for wind speed measurement Formula: 4-20mA: F=(I-4)/16xA+B F: Wind speed, m/s; I: Sensor output current value, mA; A: Sensor range width(range upper limit minus lower limit); B: Minimum value of sensor range(lower limit of range); Wire Connection Method: Red Output (voltage): Power supply positive Black Output (voltage): Power supply negative Yellow Output (voltage): Distribution Diameter: Approx. 63mm / 2.48in Mounting Hole Diameter: Approx. 3.2mm / 0.13in Aerial Plug Diameter: Approx. 15mm / 0.59in(recommended to reserve 25mm for wiring, wire connection first, then install and fix the sensor) Weight: Approx. 272.00g / 9.59oz packing list: 1 x Wind Speed Monitoring Sensor