Siemens LR 460 User Manual
7ML19985JM01
SITRANS LR 460 – INSTRUCTION MANUAL
Page 13
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Key considerations
•
Correct location is critical to a successful application.
•
Avoid reflective interference from vessel walls and obstructions by following the
guidelines below.
guidelines below.
Nozzle design
•
Bottom edge of horn must project
from nozzle.
from nozzle.
•
Nozzle must allow adequate
clearance to allow positioning if LR
460 has to be at an angle so that
emission cone perpendicular to
material surface.
clearance to allow positioning if LR
460 has to be at an angle so that
emission cone perpendicular to
material surface.
Nozzle location
•
Locate antenna at least 1 meter away
from side wall.
from side wall.
•
Keep emission cone free of interference
from ladders, pipes, I-beams or filling
streams.
from ladders, pipes, I-beams or filling
streams.
•
Make allowance for beam spread to
avoid interference with the emission
cone.
avoid interference with the emission
cone.
Device orientation
•
Align the antenna so that the radar
cone is perpendicular to the surface
of the monitored material, if possible.
(See
cone is perpendicular to the surface
of the monitored material, if possible.
(See
15.)
•
To compensate for vessels with
obstructions, see also
obstructions, see also
Min. clearance:
10 mm (0.4")
10 mm (0.4")
SITRAN
S LR 40
0
SITRAN
S LR 40
0
min. 1 m (39")
emission
cone
cone
4" horn
3"
horn
horn
11°
8°