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
M
ake sure that the max
.
permissible tensile load of the suspension
cable is not exceeded
.
T
he danger of this happening exists particularly
with very heavy solids and large meas
.
lengths
.
T
he max
.
permissible
load is stated in chapter
"
T
echnical data
"
.
I
n silos with bulk solids
,
material cones can form which change the
switching point
.
P
lease keep this in mind when installing the sensor in
the vessel
.
W
e recommend selecting an installation location where the
sensor detects the average value of the material cone
.
T
he tuning fork must be mounted in a way that takes the arrangement
of the
fi
lling and emptying apertures into account
.
T
o compensate measurement errors caused by the material cone in
cylindrical vessels
,
the sensor must be mounted at a distance of d
/
6
from the vessel wall
.
P
ressure
/
V
acuum
H
andling
T
ensile load
M
aterial cone
LBV
320
• -
NAMUR
11
4
M
ounting
35925
-
EN
-
091126
Summary of Contents for LBV 320
Page 1: ...D F GB S B E T R I E B S A N L E I T U N G LBV 320 NAMUR EN ...
Page 35: ...LBV 320 NAMUR 35 9 Anhang 35925 DE 091125 ...
Page 37: ...GB O P E R AT I N G I N S T R U C T I O N S LBV 320 NAMUR ...
Page 48: ...d d d 6 d 6 Fig 3 Filling and emptying centered 12 LBV 320 NAMUR 4 Mounting 35925 EN 091126 ...
Page 71: ...LBV 320 NAMUR 35 9 Supplement 35925 EN 091126 ...
