Emerson Rosemount 5408 Reference Manual page 207

Reference Manual
00809-0100-4408, Rev BA
If the Zero Level is not located at the tank bottom, then enter a Bottom Offset. It is needed for the
transmitter to know the position of the tank bottom echo and for correct volume calculations.
Figure C-14. Bottom Offset
A
D
E
A. Tank Reference Point
B. Reference Offset
C. Device Reference Point
D. Reference Height
E. Zero Level
F. Bottom Offset
Height of tank
The vertical distance between tank bottom and tank roof. For a horizontal cylinder or spherical tank, this
is the diameter of the tank.
Width of tank
The horizontal distance between tank ends. For a vertical cylinder, this is the diameter of the tank. The
width of tank is also the shortest horizontal side of a box-shaped (cubical) tank.
Length of tank
The longest horizontal side of a cubical tank.
Top shape height
The height of the shape on tank top (typically from shape floor to cap top, measured at cylinder center
line).
Bottom shape height
The height of the shape at tank bottom (typically from shape floor to shape bottom, measured at
cylinder center line).
Configuration Parameters
+
B
C
F
+
Configuration Parameters
November 2017
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