Anemometer is an instrument meant for measuring wind speeds. The simplest type of anemometer is a counter cup anemometer which has 2 or 3 cups and the number of rotations of the cup over a time period indicates the wind speed. However, these days, the device is connected to a data-logger to record wind speeds every second. There are also thermal anemometers being used. More sophisticated ones are based on Sodar technology or Laser technology

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