Emerson Rosemount 5408 Reference Manual page 241

Figure C-9:
A.
B.
Reference height
Distance between the Tank Reference Point (typically same as Device Reference Point) and
zero level.
Ensure the Reference Height is set as accurate as possible. The transmitter measures the
distance to the product surface and subtracts this value from the Reference Height to
determine the level.
Device reference point
Figure
antennas and tank connections.
Figure C-10:
A.
Rosemount 5408 and 5408:SIS Level Transmitters
Tank End Shape
Dome
Flat
C-10, Figure C-11, and Figure C-12
Device Reference Point for Cone Antennas
Device Reference Point
show the Device Reference Point for various
Configuration Parameters
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