20
Issue: 8 (Applies to firmware 2387 6.09 onwards)
Document number: 1390-PS-0039
Alignment
The anemometer should be set to point North (or to another known reference direction), using the North Spar, which
can be identified from the red dot on the base of the instrument or vertical groove on short base, long base or pipe
mount adaptor.
See page 21, figure 2a.
Since all wind measurements are made relative to the North Spar, it is important to use only the North Spar for
alignment and not the red dot located at the base of the unit (only visible without base mount) nor the vertical
groove located on the base mount (only when fitted).
If the unit is used in a tunnel, (and the Tunnel format is used), the unit would normally be aligned with the N – S axis in
the horizontal plane.
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