034E-9800 REV A
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034E WIND SENSOR
1.0
GENERAL INFORMATION
1.1
The Met One Instruments Model 034E Wind Sensor consists of a wind speed sensor
and wind direction sensor. The wind speed sensor uses a three cup anemometer to
produce a series of contact closures in a magnetic reed switch. The frequency of the
closures is proportional to wind speed. The wind direction sensor uses a balanced
anodized aluminum vane assembly that changes the value of a linear potentiometer as
the wind direction changes. The output of the potentiometer is proportional to the wind
direction. A 1K ohm resistor in series with the wiper provides protection against overload
situations.
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