Founded in 1939 by father and son Aaron and David Davis, the company established patents on their wind speed and direction ...

Debris and insect meshes help keep the instrument clean. Cup anemometer with separate wind vane - Uses three cups to measure wind speed, while a wind vane measures wind direction. The vane always ...

To put the wind speeds into perspective, the fastest winds ever observed in our solar system are on Neptune, at a speed of 1,800 kilometers per hour.