Specification Brand : Haofy BulletPoint1 : [Wind Direction Measurement] Equipped with angle sensors and low inertia wind vane, this sensor accurately detects changes in wind direction for reliable data. BulletPoint2 : [Three Wind Cups Structure] The traditional three wind cups structure provides a wide range, excellent linearity, and stability, ensuring convenient and wind direction readings. BulletPoint3 : [Multiple Installation Methods] Designed with special fixing fittings, this sensor can be easily installed horizontally or vertically, offering flexibility with four different installation methods. BulletPoint4 : [Aluminum Alloy Material] This wind speed sensor is crafted with high-strength, lightweight aluminum alloy components, ensuring durability and easy installation. BulletPoint5 : [Outdoor Design] Featuring an external rain cover and built-in sealing , this professional wind sensor is and with an ip64 rating, ideal for outdoor use. ItemName : Haofy Wind Speed Sensor High Accuracy 3 Wind Cups in Meteorology, ItemPackageDimensions_Height : 16 centimeters ItemPackageDimensions_Length : 35 centimeters ItemPackageDimensions_Width : 27 centimeters ItemTypeKeyword : anemometers Manufacturer : Haofy ModelName : Haofyd7cavgkhno ModelNumber : Haofyd7cavgkhno PartNumber : Haofyd7cavgkhno ProductDescription : Spec: Item Type: Wind Speed Sensor Material: ABS. Aluminum Alloy Weight: Approx. 1569g/55.3oz Size: Approx. 458x232mm / 18.03x9.13in Measurement Object: Wind Speed, Wind Direction Supply Voltage: DC5V Output: 0-5V Measuring Range: Wind Speed 0-45m/S Cable Length: Approx. 5.2m/17.1ft Accuracy: Wind Speed: ± (0.3 + 0.03v) M/S (V Represents the Real Time Wind Speed Value), Wind Direction: ± 3° Resolution: Wind Speed: 0.1m/S, Wind Direction: 1° Start-Up Wind Speed: ≤0.5m/S Maximum Power Consumption: 0.9W Load Capacity: DC12V Power Supply, Current Type Output Impedance ≤ 350Ω DC24V Power Supply, Current Type Output Impedance ≤900Ω Voltage Type Output Impedance ≥1kΩ Operating Environment: Temperature -35℃-60℃ Humidity ≤100 Percent Rh Without Condensation Guard Grade: IP64 Cable Grade: Rated Voltage: 300V 80℃ Widely Used In: Meteorology, , Environment, Airports, Ports, Laboratories, Industry and Agriculture, And Transportation. Calculation Formula: 0-5V: F=V/5xA+B F: Indicates the Wind Speed or Direction Sensor Value, M/S or °; V: Sensor Output Voltage Value, V; A: Sensor Range Width (Upper Range Limit Minus Lower Limit); B: Sensor Range Minimum (Lower Range Limit); Four Installation Methods: 1. Horizontal Bottom Mounting, Wind Direction Must Face Up; 2. Horizontal Top Mounting, Wind Direction Must Face Up; 3. Vertical Side Mounting, Wind Direction Must Face Up; 4. Pole Mounting, Wind Direction Must Face Up; Note: Wind Direction Must Face Up Wire Color Output (Voltage) Red Power Positive Green Power Negative and Ground White Wind Speed Blue Wind Direction packing list: 1 x Wind Speed Sensor 1 x Hex Wrench