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Weather station airspeed indicator TWI
without displaywith wind vane

weather station airspeed indicator
weather station airspeed indicator
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Characteristics

Applications
for weather stations
Display
without display
Other characteristics
with wind vane

Description

Application visual identification of direction and speed of wind at airports and heliports Certificate basis ICAO ANNEX 14 Volume I 3rd FAA Specification AC 150/5345-27 C Description/properties when air moves with the speed of at least 6 km/hour, the revolving system situated at the top part of the pole on bearing will turn in direction of this movement top hole of the wind sleeve takes in the air stream and the sleeve swings. At the wind speed of at least 28 km/hour the sleeve inflates and indicates thus visually wind direction and speed Wind Cone it is made from the mixture cotton and synthetic material in accordance with the standard EN 10204-2.2 two colour executions when inflated by air it gets shape of truncated cone Construction of shell it keeps the entry hole of the cone open even at absolute windlessness, it supports the cone and keeps it in the required shape at the distance of three eights of its total length structure made of Al tubes is designed in such a way that it prevents accumulation of water in the cone shell bearings are self-lubricating
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