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54 ProLink
®
II Software for Micro Motion
®
Transmitters
Transmitter Configuration, Characterization, and Calibration
• To apply the changes and continue with configuration, click Apply. The following popup
is displayed:
Ensure that your application is in an appropriate state to accept configuration changes,
then click
OK. The new configuration value(s) will be sent to the transmitter, and will take
effect immediately. The tab display color is reset to gray.
To avoid immediate reconfiguration, click
Cancel. The new setting is retained in
ProLink II but is not sent to the transmitter.
• To apply the changes and close the
Configuration window, click OK.
4. If you leave a panel without specifying
Apply, Cancel, or OK, the tab display color remains
yellow. You can return to the panel at any point to apply or discard the changes.
5. When you have finished configuration, close the
Configuration window. You can close the
window without applying changes.
5.3.1 Using the Gas Unit Configurator tool
Note: With Model 2400S transmitters and Series 1000/2000 transmitters with firmware version 5.0
and above, the Gas Unit Configurator tool is not available because standard and normal units are
pre-defined in the transmitter.
For many gas applications, standard or normal volume flow rate is used as the quasi mass flow rate.
Standard or normal volume flow rate is calculated as the mass flow rate divided by the density of the
gas at a reference condition.
To configure a mass flow special unit that represents standard or normal volume flow rate, you must
calculate the mass flow conversion factor from the density of the gas at a reference temperature,
pressure, and composition. ProLink II v1.2 and later offers a Gas Unit Configurator tool to calculate
this mass flow conversion factor. The tool will automatically update the mass flow conversion factor
in the
Special Units tab.
Note: Micro Motion recommends that you do not use the meter to measure actual volume flow of a
gas (volumetric flow at line conditions). If you need to measure actual volume flow of a gas, contact
Micro Motion customer support.
CAUTION
The meter should not be used for measuring the actual volume of gases.
Standard or normal volume is the traditional unit for gas flow. Coriolis meters
measure mass. Mass divided by standard or normal density yields standard or
normal volume units.