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48 Model 2700 Transmitter with PROFIBUS-PA
Configuration
4.4 Configuring standard volume flow measurement for gas
Two types of volume flow measurement are available:
• Liquid volume (the default)
•Gas standard volume
Only one type of volume flow measurement can be performed at a time (i.e., if liquid volume flow
measurement is enabled, gas standard volume flow measurement is disabled, and vice versa).
Different sets of volume flow measurement units are available, depending on which type of volume
flow measurement is enabled. If you want to use a gas volume flow unit, additional configuration is
required.
Note: If you will use the petroleum measurement application or the concentration measurement
application, liquid volume flow measurement is required.
To configure gas standard volume flow you must:
• Enable gas standard volume flow
• Specify the standard density (density at reference conditions) of your gas
• Select the measurement unit to use
• Set the low flow cutoff value
Note: The display will allow you to select a volume measurement unit from the set available for the
configured volume flow type, but it will not allow you to configure gas standard volume flow.