A high specification windvane, with options available for marine environments.  Heating elements are available for the sensors for low temperature environments. Windvane Datasheet click HERE Windvane (Marine version) click HERE Side Arm Wind Sensor Mount click HERE Mount for 2 Wind Sensors click HERE  

High specification anemometer.  Marine versions are available, as are heating elements. A100R Datasheet click HERE A100R Marine Version click HERE Side Mount Pole Mount click HERE Pole Mount for 2 Wind Sensors click HERE Heating Elements click HERE