6-23
12. This screen offers three options.
• F
ile saves the flow information to a configuration file, which can
be sent by selecting T
ransmitter, Send Config... as explained on
page 6-39. (recommended).
C
onnect switches to the Connect screen so that the flow
configuration can be sent to a transmitter.
R
eturn switches to the EA.
NOTE
F
ile is recommended because it provides you with an electronic record
of your flow configuration.
NOTE
If you selected custom fluid, or made density or viscosity changes to an
AIChE fluid, be sure to save your information to a configuration file so
that you can modify the flow configuration information at a later date.
Although you can read a flow configuration from a transmitter, it is
NOT possible to retrieve custom density, custom viscosity, or custom
primary element information. Therefore, be sure to save custom fluid
configurations to a
unique file.
Setup Compensated Flow (Natural Gas Configuration)
Gross versus Detail Characterization
The Engineering Assistant calculates the natural gas compressibility
factor using either gross or detail characterization methods. Gross
characterization is a simplified method that is acceptable for a
narrow range of pressure, temperature, and gas composition.
Detail characterization covers all pressure, temperature, and gas
composition ranges for which A.G.A. computes compressibility
factors. Table 6-1 identifies the acceptable ranges for both of these
characterization methods.
Figure 6-17.
Flow Setup Complete Screen.
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