Thissensorhasa16poleACtachogeneratorwhichoutputsasquarewavewithaspeedconstantofapproximately2.5HzperKnot.Theencodermakesitpossibletoreadlowwindspeedsveryaccurately,byincreasingthecountintegrationtime.产品详细信息:http://www.vibtel.com/CN/Products/MeteorologicalInstruments/WindSpeedandDirection/MTECH.Model%20911-WS.html