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
T
he vibrating element should protrude into the vessel to avoid buildup
.
F
or that reason
,
avoid using mounting bosses for
fl
anges and screwed
fi
ttings
.
T
his applies particularly to use with adhesive products
.
M
ount the instrument in such a way that the tuning fork does not
protrude directly into the
fi
lling stream
.
20°
a.
b.
F
ig
.
3
:
H
orizontal mounting
a
P
rotective sheet
b
C
oncave protective sheet for abrasive solids
P
ressure
/
V
acuum
H
andling
S
ocket
F
illing opening
LBV
310
• -
R
elay
(
DPDT
)
11
4
M
ounting
35919
-
EN
-
091126
