TheModel911Windspeedsensorsuseaproven3cupanemometer,andaerofoilvane&pointerreliabilityandenvironmentalcapability,withpassivesensorelementsforultralowpowerc***umptionapplicati***.Thesensorsetcomprisesthe911-AWindspeedsensorandthe911-BWindDirectionsensor.Specialattentionhasbeenpaidtothedesignoftheshaftforgreateststrength,thebearingsforlowfrictionandlowthreshold,thebalanceofthemovingpartsforhighwindspeedwithstandandthesealingsystembetweenthemovingpartsandthefixedbody,forenvironmentalintegrity.Thesensorsh***ebeencalibratedbyaNATAlaboratoryandtypetestedupto150km/hrforverificationofstrengthandbalance.Thesensoriseasilymountedonmoststandardexamplesofcrossarm.Thissensorhasa16poleACtachogeneratorwhichoutputsasquarew***ewithaspeedc***tantofapproximately2.5HzperKnot.Theencodermakesitpossibletoreadlowwindspeedsveryaccurately,byincreasingthecountintegrationtime.APPLICATI***WEATHERSTATI***METEOROLOGICALOFFICESOFFSHOREPORTSSHIPSMILITARYFEATURESSTANDARD5”CUPDESIGNRUGGED,RELIABLEENVIRONMENTALLYPROVENPASSIVESENSINGELEMENTSBRASSC***TRUCTIONSTAINLESSSTEELSHAFT)