cias CORAL-S, Руководство по установке

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©
CIAS Elettronica S.r.l. Ed. 1.2
Installation Handbook
page
32
of
55 CORAL-S
2.3 Ground conditions
It’s advise against to install the equipment along sections where are present high grass
(more than 10 cm), ponds, longitudinal stream, and all those types of grounds which its
conformation is rapidly changeable.
2.4 Presence of Obstacles
The
fences
, are generally
metallic
therefore highly reflective. For this reason some precautions
are suggested:
- Make sure that the fence has been properly
fixed
in order to avoid that the wind moves it;
- when it’s possible the microwave beam shouldn’t installed in
parallel
to a metallic fence;
- if it’s necessary to install the microwave barrier between two fences, make sure that the
distance between those two isn’t less then 5 mt. In addition, in this case avoid to use the
barriers for more than half their maximum range.
- when there’s a metallic fences behind the barrier’s head, it can be a problem due to the
fact that it could generate some false alarm rates
-
Trees, hedges, bushes in general
, need
very great attention
if they’re near or within
the protection beams. These obstacles vary in size and position, in fact they grow and they
can be moved by the wind. So, it’s absolutely advise against tolerate the presence of the
cited obstacles within the protection sections.
Figure 2
It’s possible to tolerate the presence of these elements near the protection sections only if their
growth is limited through routine maintenance, and if their movement is stopped using
containment barriers. Various
Obstacles
might be present along the protection sections. For
them there is the necessity to make the same considerations and take the same precautions
adopted for the above cases. This cause of
Dead zones
not protected and
Hypersensitive
zones
which cause false alarm.