4
M
ounting
4
.
1
G
eneral instructions to use the instrument
M
ake sure that all parts of the instrument exposed to the process
,
in
particular the sensor element
,
process seal and process
fi
tting
,
are
suitable for the existing process conditions
.
T
hese include above all
the process pressure
,
process temperature as well as the chemical
properties of the medium
.
Y
ou can
fi
nd the speci
fi
cations in chapter
"
T
echnical data
"
or on the
type label
.
U
se the recommended cables
(
see chapter
"
C
onnecting to power
supply
"
)
and tighten the cable gland
.
Y
ou can give the instrument additional protection against moisture
penetration by leading the connection cable downward in front of the
cable entry
.
R
ain and condensation water can thus drain o
ff
.
T
his
applies mainly to outdoor mounting as well as installation in areas
where high humidity is expected
(
e
.
g
.
through cleaning processes
)
or
on cooled or heated vessels
.
T
he ventilation for the electronics housing is realised via a
fi
lter
element in the vicinity of the cable glands
.
2
1
2
1
2
1
1
2
F
ig
.
9
:
P
osition of the
fi
lter element with single and double chamber housing
1
F
ilter element for ventilation of the electronics housing
2
B
lind stopper
I
nformation
:
M
ake sure that the
fi
lter element is always free of buildup during
operation
.
A
high
-
pressure cleaner must not be used for cleaning
.
S
uitability for the pro
-
cess conditions
M
oisture
V
entilation
16
VEGADIF
65
•
F
oundation
F
ieldbus
4
M
ounting
36130
-
EN
-
110510
Содержание VEGADIF 65
Страница 1: ...Operating Instructions VEGADIF 65 Foundation Fieldbus Document ID 36130 Di erential pressure...
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