SICK LFV 330, Руководство по эксплуатации

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F ig .
6
: M easures against moisture penetration
C aution :
D o not hold LFV
330
on the tuning fork
.
P articularly with
fl
ange or tube
versions
,
the tuning fork can be damaged just by the weight of the
instrument
.
T ransport coated instruments very carefully and avoid
touching the tuning fork
.
R emove the packaging or the protective cover just before installation
.
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
LFV 330 has a de
fi
ned thread starting point
.
T his means that every
LFV
330
is in the same fork position after being screwed in
.
R emove
therefore the supplied seal from the thread of LFV
330
.
T his seal is not
required when using a welded socket with O
-
ring in front
.
T ransport
P ressure / V acuum
H andling
W elded socket
LFV
330
• -
contactless electronic switch
13
4
M ounting
35914
-
EN
-
091126