T
he process
fi
tting must be sealed if there is gauge or low
pressure in the vessel
.
B
efore use
,
check if the seal material is
resistant against the measured product and the process
temperature
.
T
he max
.
permissible pressure is speci
fi
ed in chapter
"
T
echnical data
"
or on the type label of the sensor
.
T
he vibrating level switch is a measuring instrument and must
be treated accordingly
.
B
ending the vibrating element will
destroy the instrument
.
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 hexagon above the thread for screwing in
.
4
.
2
M
ounting instructions
F
or welded socket with
O
-
ring in front and welding marking
.
SITRANS LVL
100
has a de
fi
ned thread outlet
.
T
his means that
every
SITRANS LVL
100
is in the same position after being
screwed in
.
R
emove therefore the supplied
fl
at seal from the
thread of
SITRANS LVL
100
.
T
his
fl
at seal is not required when
using a welded socket with front
-
fl
ush seal
.
B
efore welding
,
unscrew
SITRANS LVL
100
and remove the
rubber ring from the welded socket
.
T
he welded socket has a marking
(
notch
).
F
or horizontal
mounting
,
weld the socket with the notch facing upward or
downward
;
in pipelines aligned with the direction of
fl
ow
.
P
ressure
/
V
acuum
H
andling
W
elded socket
12
SITRANS LVL
100
l
CONTACTLESS ELECTRONIC SWITCH
M
ounting
33843
-
EN
-
080421
