RMG ERZ2000-NG, Operating Manual

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7 Parameter of the gas
Manual ERZ 2000-NG · EN07 · 2019, May 13th
278
7.3.4 GERG 88 S
Figure 201: Menu CD GERG 88 S
CD06 Consistency check determines and displays deviations in the selected calcu-
lation method (AGA 8 92 DC in this case).
Exceeded limit values are monitored in Germany exclusively with use of GERG 88 S.
CD07 Limit mode can be used to determine how further calculation takes place in
case of a limit value breach. If the limit value settings are exceeded (limit value
mode), further calculation "calculating with LV" takes place with the "real values"; this
is prescribed for official custody transfer applications in Germany. It is also possible
to continue to calculate with the default values for the K coefficient, "Default if LV".
According to the German version (pipeline quality gas according to ISO 12213-3),
"narrow" must be selected under
CD08 Limits for official custody transfer applica-
tions with use of GERG 88 S. This corresponds to:
T of -10 to 65°C
P of 0 to 120 bar
dv of 0.55 to 0.8
Hs of 30 to 45 MJ/m³