Anemometer, measure wind speed in a variety of experiments. Hold the sensor in your hand to measure wind speed in dynamic environments or use the accessory rod to position it in front of wind tunnels or fans, standard camera mount on the back.
Simple Anemometer, This simple tool measures wind speed and direction, The wind speed range is 0 to 17 meters per second (+/-10%). The direction indicator is divided into 16 compass points, A built-in compass is provided, Dimensions: 9in x 6in x 6in