cup anemometer


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Related to cup anemometer: wind vane

cup anemometer

[′kəp an·ə′mäm·əd·ər]
(engineering)
A rotation anemometer, usually consisting of three or four hemispherical or conical cups mounted with their diametral planes vertical and distributed symmetrically about the axis of rotation; the rate of rotation of the cups, which is a measure of the wind speed, is determined by a counter.