Chapter 3 ________________________________________________________________ Installation
VAISALA ________________________________________________________________________ 49
Wind
Allow sufficient clearance for the wind sensors, that is, the station
should not be located next to a building or any other object that might
affect the airflow.
0201-015
Figure 32
Siting the Station
In general, any object of height h will not remarkably disturb the wind
measurement at a minimum distance of 10
×
h. For example, locate the
weather station at least 30 meters away from a 3-meter high tree. See
Figure 32 above.
Air Temperature and Relative
Humidity
NOTE
The radiation shield is important in protecting the sensor from direct
sunlight and must always be used.
For MAWS201, a suitable height for the sensor is already determined
by the tripod. For MAWS101 in mast installations, the height should
be set to 1.5 to 2 meters. In the northern hemisphere, the sensor should
usually be on the northern side of the mast. Avoid the following
installation sites to ensure correct measurements: shaded areas,
