Function Blocks 
AGA8GS Function Block 
Revision 11    HC900 Hybrid Control Designer Function Block Reference Guide  25 
2/07     
AGA8 – Gross tab 
 
Table 7  AGA8GS Detail tab configuration parameters 
Properties Group  Parameter  Index #  Parameter Description  Value or Selection 
Method 1 
 
Gross Method 1 calculates 
the super-compressibility 
and gas density from 
knowledge of the relative 
density, heating value and 
carbon dioxide, hydrogen 
and carbon monoxide 
components. 
Click on Radio Button to select 
Gross Method 
Used 
Method 2 
 
Gross Method 2 calculates 
the super-compressibility 
and gas density from 
knowledge of the relative 
density, Nitrogen, carbon 
dioxide, hydrogen and 
carbon monoxide 
components. 
Click on Radio Button to select 
Contract 
Conditions 
TB 
 
Defines the Base or 
Contract Temperature to 
calculate volume flow rate 
at contract conditions in the 
units selected by the UNITS 
configuration parameter.  
ºF for U.S Units 
ºC for Metric Units