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anemometer An instrument for measuring the speed of the wind. Some instruments also indicate the direction from which it is blowing. An electronic anemometer is basically a simple device, requiring no external power. Accurate models can be fabricated by rigging plastic cups to run an electric toy motor backwards. A milliamp-meter can read the output current which will be proportional to the wind speed. See also wind instruments, vane and wind indicator. WXT G141 diagrams an anemometer, windex and associated instruments.

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