DNA821 Wind Speed Direction Vane & Cup (MTI.AWS.LS.821) combined wind speed and wind direction sensor. This sensor range includes, in a single apparatus, transducers for both wind speed and wind direction measurement.
Its use simplifies installation requirements, other than being smaller, lighter and cheaper than the general 2-sensors kit. Accuracy and thresholds are anyway near to be comparable with a 2-sensors cup and vane kit alternatives. Different data output signals are available.