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212 Gas properties
Section 6: Meter operation Reference, Installation, and Operations Manual
June 2013 3-9000-743 Rev S
Live (GC) gas property data
The purpose of this section is to give a brief overview of the gas property data read from a GC.
Refer to Section 5.2 for information on configuring the Daniel Mark III Ultrasonic Gas Flow Meter
(using the Daniel MeterLink program) for communicating with a Daniel GC. Refer to Section 6.5
for detailed information on interfacing the Daniel Mark III Ultrasonic Gas Flow Meter meter with
a Daniel GC.
If the gas components are read from the GC, then the GC-reported heating value is readable via
the HeatingValueGC data point. Note that type of heating value to be read from the GC must
be specified via the GCHeatingValueType data point as either Btu-Dry, Btu-Saturated, or
Btu-Actual.so that the correct GC register is read. Also, the heating value unit must be specified
via the GCHeatingValueUnit data point as either Btu/ft
3
, kJ/m
3
, kJ/dm
3
, MJ/m
3
, kCal/m
3
, or
kWh/m
3
. The GC-reported gas composition is readable via the data points listed in Tabl e 6- 8
below:
Table 6-8 GC-reported gas composition data points
GC reported composition data points
N2GC
CO2GC
H2GC
COGC
MethaneGC
EthaneGC
PropaneGC
IsoButaneGC
NButaneGC
IsoPentaneGC
NPentaneGC
NHexaneGC
NHeptaneGC
NOctaneGC
NNonaneGC
NDecaneGC
H2SGC
Heeling
WaterGC
OxygenGC
ArgonGC
C6PlusGC
(C6PlusGCComponentID)
NeoPentaneGC