5 Design and Function
Device Type Connection Option
gas quality
measurement devices
• serial interface
• LAN interface
Table 1: Interface options
5.1.1 Number of Streams and their Flow Directions
The number of streams and their flow directions are variable since device
hardware and software can be extended. This number depends upon the
number of board slots available, individual hardware settings and the soft-
ware configuration.
5.1.2 International Standards
Flow Computers of the enCore FC device series support the following
international standards for the calculation of the gas characteristics which
are used for flow conversion. Which standards are supported in detail varies
according to device type:
Value Selectable Calculation Standard
compressibility • AGA8-92 DC (ISO 12213-2)
• SGERG-88 (ISO 12213-3)
• AGA-NX19 mod
• AGA-NX19 mod BR.KOR.3H
• AGA-NX19 GOST
• GOST 30319.2-2015
• GOST 30319.3-2015
gas density, relative density • AGA8-92 DC (ISO 12213-2)
• ISO 6976
• GOST 30319.3-2015
heating value, Wobbe index • ISO 6976
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