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Reference Manual
00809-0100-4530, Rev BA
July 2009
5-7
Rosemount 5300 Series
Normally, this parameter does not need to be changed even if the actual
dielectric constant of the product deviates from the Upper Product Dielectric
parameter value. However, for some products, measurement performance
can be optimized by setting the proper product dielectric constant.
Volume Configuration For volume calculations, you can choose one of the standard tank shapes or
the strapping option. Choose None if volume calculation is not used. For the
standard tanks, a Volume Offset parameter can be specified which can be
used for a non-zero volume that corresponds to the zero level. This may be
useful, for example, if the user wants to include the product volume below the
zero level.
Tank Type
You can choose one of the following options:
• Strap table
• Vertical Cylinder
• Horizontal Cylinder
• Vertical Bullet
• Horizontal Bullet
• Sphere
•None
Strapping Table
Use a strapping table if a standard tank type does not provide sufficient
accuracy. Use most of the strapping points in regions where the tank shape is
non-linear. A maximum of 20 points can be added to the strapping table.
Figure 5-3. Strapping points
Actual tank bottom may look like this.
Using only 3 strapping points results in a level-to-volume profile
that is more angular than the actual shape.
Using 10-15 of the points at the bottom of the tank yields a
level-to-volume profile that is similar to the actual tank bottom.