Feature: 1. Function: The ultrasonic anemometer is used to measure wind speed and direction, temperature, humidity, air pressure and altitude. 2. Parameter: Two electrical output, RS485 and RS232, configurable baud rate up to 38400 (4800, 9600, 19200 and 38400), standard for NMEA sentences output. 3. Applicable Software: Can be used in PC with supplied PC software, and can also be used for Land Applications with ONWA Weather software. 4. Practical: Every channel output is isolated, support for Modbus protocol for industry use, and support for MDA sentence: Meteorological Composite (obsolete). 5. Easy Installation: No moving parts, does not need constant maintenance, four position sensor probe, 20m power harness, easy installation with mounting accessories. Specification: Item Type: Ultrasonic AnemometerMaterial: ABSWind Speed Range: 0~40m/s Wind Speed Precision: ±2% (at 12m/s) Resolution: 0.01 m/s Measurement Unit: m/s Wind Range: 0~359.9° Resolution: 0.1° Temperature Measurement Range: -20°C~+75°C Temperature Measurement Accuracy: ±0.5°C (at 12m/s) Temperature Resolution: 0.1°C Measurement Unit: °C Humidity Measurement Range: 10%~99.9% Humidity Measurement Accuracy: ±2%RH (25°C) Humidity Resolution: 0.1%RH Pressure Measurement Range: 30000~ 110000 Pa Altitude Measurement Unit: m Altitude Measurement Range: +9000m~ 0m Waterproof Grade: IP65 Working Temperature: 20°C~ +75°C Storage Temperature: -30°C~ +80°C Working Humidity: <5%~100% Electromagnetic Compatibility: IEC60945 Input Source: 10.5 VDC ~ 40.5 VDC . Package List: 1 x Ultrasonic Anemometer (With Mounting Base)2 x Fuse1 x Power Cable Harness (20m)1 x Pack of Mounting Tools (9 Accessories)1 x Instruction Manual Note: We provide detailed product description electronic documents and software download links, if you need to check before shopping, you can contact customer service to request, and the product comes with a detailed instruction manual to help you quickly understand the use of the product, please buy with confidence