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System Configuration Manual
300510EN, Rev AA
December 2010
Rosemount Raptor
5-56
Section 5. Installing a Raptor Level Gauging System
10. In the 5900S RLG Properties window select the Geometry tab:
11. Enter the tank geometry parameters:
a. Tank Reference Height (R)
The Tank Reference Height (R) is the distance from the hand dip
nozzle (Tank Reference Point) to the Zero Level (Datum Plate) close
to the bottom of the tank.
b. Reference Distance (G)
The Reference Distance (G) is the distance between the Tank
Reference Point and the Gauge Reference Point, which is located at
the upper surface of the nozzle flange or manhole cover on which
the gauge is mounted.
G is positive if the Tank Reference Point is located above the Gauge
Reference Point, otherwise G is negative.
When using a 5900S with Still-pipe Array Antenna and hinged hatch,
the Gauge Reference Point is located at the hand-dip mark inside
the hatch (see the Rosemount 5900S Reference Manual, Document
No. 300520EN, for more information).
G>0
G<0
Gauge Reference
Point
Tank Reference
Point