Yokogawa EJX930A - Manual (Page 101)

<7. Operation of EJXMVTool> 7-8
IM 01C25R51-01E
Table 7.6 AGA 8 Mole Valid Range
#
Component Mole Valid Range (Expanded Range)
1 CH4 Methane mole percent 0–100 %
2 N2 Nitrogen mole percent 0–100 %
3 CO2 Carbon Dioxide mole percent 0–100 %
4 C2H6 Ethane mole percent 0–100 %
5 C3H8 Propane mole percent 0–12 %
6 H2O Water mole percent 0–Dew Point % *3
7 H2S Hydrogen Sulfide mole percent 0–100 %
8 H2 Hydrogen mole percent 0–100 %
9 CO Carbon Monoxide mole percent 0–3.0 %
10 O2 Oxygen mole percent 0–21 %
11 C4H10 i-Butane mole percent 0–6 % *1
12 C4H10 n-Butane mole percent 0–6 % *1
13 C5H12 i-Pentane mole percent 0–4 % *2
14 C5H12 n-Pentane mole percent 0–4 % *2
15 C6H14 n-Hexane mole percent 0–Dew Point % *3
16 C7H16 n-Heptane mole percent 0–Dew Point % *3
17 C8H18 n-Octane mole percent 0–Dew Point % *3
18 C9H20 n-Nonane mole percent 0–Dew Point % *3
19 C10H22 n-Decane mole percent 0–Dew Point % *3
20 He Helium mole percent 0–3.0 %
21 Ar ARGON 1–1.0 %
*1: ISOBUTANE (C4H10) and n-BUTANE (C4H10)’s sum cannot exceed 6 %.
*2: ISOPENTANE (C5H12) and n-Pentane (C5H12)’s sum cannot exceed 4 %.
*3: Upper limit Dew Point is not checked by the tool.
(2) AGA8 Gross Characterization Method 1
Figure 7.5 Natural Gas Setup Screen (2)
Table 7.7 Input & Valid Range (Expanded Range)
Contents Expanded Range Remarks
Mandatory
Real Gas Relative Density 0.554–0.87
at 14.73 psi abs 60 °F
(at 101.56 kPa abs and 15.56 °C)
CARBON DIOXIDE (CO2) mole 0–30%
Volumetric Gross Heating Value
17.76–42.87 MJ/m3
(477–1150 BTU/ft3)
at 14.73 psi abs 60 °F
(at 101.56 kPa abs and 15.56 °C)
Optional
HYDROGEN (H2) mole 0–10%
CARBON MONOXIDE (CO) mole 0–3%