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Reference Manual
300530EN, Rev BA
September 2012
C-13
Rosemount 2410
Appendix C. Advanced Configuration
3. From the Tank Name/Hub Position list select the tank to be configured for
hybrid density calculations.
4. Enter Local Gravity, Air Density and Vapor Density. These parameters
are used for calculating the Observed Density. See the TankMaster
WinOpi Reference Manual (Document No. 303028EN) for more
information on inventory calculations.
Enter Upper and Lower Density Limits for the Observed Density. Density
values outside this range will be notified by TankMaster.
5. Enter the P1 Sensor Position, i.e. the position of the center of the Liquid
Pressure sensor membrane.
6. Enter the Hybrid Min Level. This value specifies the lowest product level
at which TankMaster calculates the Observed Density. Normally, the
accuracy of pressure sensors is reduced at low pressures, i.e. at product
levels close to the sensor membrane. Therefore, you can specify a limit
below which the density calculation is “frozen”. For example, if Hybrid
Min Level is equal to 2.0 meter, the Raptor system will present a fixed
density value for product levels below 2.0 meter.
NOTE!
Specify the actual product level and not the distance between the pressure
sensor and the product surface.
7. Enter the P3 Sensor Position, i.e. the position of the center of the Vapor
Pressure sensor membrane measured from the tank Zero Level/Datum
Plate.
8. Click the OK button to save the Hybrid Density configuration.