WeatherHawk WM-300 WindMate Hand-Held Weather Meter Blue http://www.amazon.com/gp/product/B006IXCG00?tag=sukses2015-20 Measures wind speed wind direction temperature and relative humidity Displays current temperature and current maximum and average wind speed Reports wind direction in both degrees and compass points Calculates head wind tail wind cross wind wind chill wet bulb dew point delta T and comfort index Accuweathercom patented A comprehensive instrument for agriculture forestry emergency management and other industries
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