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. Item Type: Ultrasonic Anemometer Material: ABS Wind 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%~ Electromagnetic Compatibility: IEC60945 Input Source: 10.5 VDC ~ 40.5 VDC Package List 1 x Ultrasonic Anemometer (With Mounting Base)2 x Fuse 1 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