The 8-inch collection area offers superior accuracy, measuring every ... vane - Uses three cups to measure wind speed, while a wind vane measures wind direction. The vane always points in the ...

The bigger the difference in air pressure,the faster the wind. Winds are named by the compass direction they are ... so strong that they can destroy the measuring instruments!

To measure wind speed and direction, most people turn the traditional cup anemometer and wind vane. Another less-known method is to use an array of ultrasonic transducers, which doesn’t need any ...