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System Configuration Manual
300510EN, Rev AA
December 2010
5-81
Rosemount Raptor
Section 5. Installing a Raptor Level Gauging System
7. Select the Antenna tab.
8. Chose Antenna Type. It is possible to choose between predefined
antenna types or User Defined for non-standard antennas. For a
predefined antenna a number of transmitter parameters such a Tank
Connection Length (TCL) and Hold Off Distance are automatically
specified in order to optimize measurement performance. When
choosing a User Defined antenna the database settings must be entered
manually.
Choose one of the following antenna types:
Free Propagation
•Cone4 inch
Still-pipes
•Cone2 inch
• Cone 3 inch
• Cone 4 inch
9. Choose Antenna Extension length in case the antenna is equipped with
an extension.
10. Adjust the Hold Off Distance (UFM) if there are disturbances close to
the nozzle. By increasing the Hold Off distance, the measurement range
is reduced in the upper part of the tank.