Emerson Rosemount 5408 Reference Manual page 206

Configuration Parameters
November 2017
Figure C-11. Device Reference Point for Process Seal Antennas
A
A. Device Reference Point
Figure C-12. Device Reference Point for Parabolic Antennas
A
A. Device Reference Point
Reference offset
Distance between the Device Reference Point and the Tank Reference Point (typically the upper side of a
customer plug where levels can be manually measured).
The Reference Offset parameter can be used to specify your own reference point, for example when the
measured level by the transmitter should correspond with the level value obtained by hand-dipping.
Figure C-13. Reference Offset
A
A. Tank Reference Point
B. Device Reference Point
Bottom offset
The Bottom Offset is defined as the distance between Zero Level and the tank bottom. The default value
is zero.
194
Reference Offset > 0
+
B
Reference Offset < 0
A
Reference Manual
00809-0100-4408, Rev BA
B
Configuration Parameters