4
M
ounting
4
.
1
G
eneral instructions
M
ake sure that all parts of the instrument in contact with the measured
product
,
especially the sensor element
,
process seal and process
fi
tting
,
are suitable for the existing process conditions such as 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
"
in the or on
the type label
.
S
elect an installation position you can easily reach for mounting and
connecting as well as later retro
fi
tting of an indicating and adjustment
module
.
T
he housing can be rotated by
330
°
without the use of any
tools
.
Y
ou can also install the indicating and adjustment module in four
di
ff
erent positions
(
each displaced by
90
°
).
U
se the recommended cables
(
see chapter
"
C
onnecting to power
supply
"
)
and tighten the cable gland
.
Y
ou can give your 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
.
F
ig
.
2
:
M
easures against moisture penetration
T
he reference plane for the measuring range is the lower edge of the
transducer
.
M
ake sure that a min
.
distance
-
the so called dead zone
-
below the
reference plane is maintained in which a measurement is not possible
.
T
he exact value of the dead zone is stated in chapter
"
T
echnical data
"
.
S
uitability for process
conditions
M
ounting position
M
oisture
M
easuring range
VEGASON
61
•
4
…
20
m
A
/
HART
four
-
wire
11
4
M
ounting
28778
-
EN
-
081127
