Instrument used to measure wind direction and speed

An anemometer is a tool that measures wind direction and speed. There are different types, such as cup, vane, and hot-wire. Cup anemometers use rotating cups to measure wind speed.
An anemometer is a tool that measures wind direction and speed. There are different types, such as cup, vane, and hot-wire. Cup anemometers use rotating cups to measure wind speed.