Anemometer, Cup Counter
Model No. HV-EXP275
As per 151 Specification No. IS 5912-70. The instrument has a cup wheel consisting of three conical cups in a horizontal plane. The cup wheel spindle Is of stainless steel and connected by worm gearing to a revolution counter mounted in a water proof housing. By observing the counter reading at the beginning and end 01 an period of interest the average wind speed during the Interval can be calucl:1lated. The C0unter observing window is sloped to permit easy reading when mounted on the mast..
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