Inventory calculation

Real-time inventory calculations include gross and net volumes as well as mass calculations, according to current API tables (6, 54,

24, 60, A-D) and ASTM D4311.

Tank Capacity Tables (5000 strapping points per tank/table) are supported for cylindrical and spherical tanks.

Net Standard Volume can be calculated at a user-specified reference temperature for specific tables.

Figure 5: Inventory Calculation

A

B

C

I

J

L

K

D

E

F

H

G

A. Level

B. Tank Capacity Table

C. Total Observed Volume

D. Gross Observed Volume

E. Volume Correction Factor, CTPL (VCF)

F. Gross Standard Volume

G. Sediment & Water

H. Net Standard Volume

I. Free Water Volume

J. Volume

K. Temperature

Rosemount 2460

May 2020

6

Emerson.com/Rosemount