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Pyranometers have viewing
angles horizon to horizon. The site selected
for exposing a pyranometer should be
free from any obstruction above the plane
of the pyranometer. The pyranometer should
not be near light colored walls or other
objects likely to refl ect sunlight on
to it. If the pyranometer is to be mounted
on an arm off of a tower, then in the
northern hemisphere the pyranometer should
be on the south side of the tower. In
the southern hemisphere it should be
mounted on the north side. |
