Anemometer - Determine Wind Speed
Great for outdoor activities!
The Anemometer is useful in determining wind speed. Made of corrosive resistant materials for prolonged outdoor use. One cup is colored red for ease in determining the number of rotations.
The anemometer Is a simple device used to determine wind speed. It is
simple enough for elementary children to understand and use while accurate
enough to be used by professional meteorologists in weather forecasting.
The unit consists of a post with revolving wind cups. These cups are each
mounted on horizontal arms which extend from the axis of rotation. Make
sure that each cup is pointed in the same direction with its face perpendicular
to the ground.
The unit measures 220mm x 160mm. Instructions provided. (9" x 6-1/2" x 9"; .27lbs).