4
M
ounting
4
.
1
G
eneral instructions
W
ith instruments with threaded process
fi
tting
,
suitable tools must be
applied for tightening the hexagon
.
W
arning
:
T
he housing must not be used to screw the instrument in
!
A
pplying
tightening force can damage internal parts of the housing
.
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
.
M
ake sure that all parts of the instrument exposed to the process
,
in
particular the active measuring component
,
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
"
and on the
type label
.
4
.
2
I
nstructions for installation
B
y using the standpipe version
,
the in
fl
uence of turbulence and vessel
installations
,
such as e
.
g
.
heating spirals or agitators
,
is excluded
.
I
f
turbulence or vigorous product movement occurs in the vessel
,
long
standpipe antennas should be fastened to the vessel wall
.
T
he standpipe antenna must extend all the way down to the requested
min
.
level
,
as measurement is only possible within the tube
.
I
f a good
mixing of the product is important
,
you should use a version with
perforated surge pipe
.
W
arning
:
R
emember that with the version with
¾"
thread
,
a max
.
torque of
80
N
m
(
59
lbf ft
)
must not be exceeded
.
S
crewing in
M
oisture
S
uitability for the pro
-
cess conditions
I
nstallation
12
VEGAPULS
62
standpipe version
•
F
oundation
F
ieldbus
4
M
ounting
36510
-
EN
-
120301