Thermo Scientific Sarasota SG901, User Manual

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Equations
Thermo Fisher Scientific Sarasota SG901 User Guide
E-5
Molecular Weight
28.964 G MW
× =
MW = molecular weight of gas
G = Relative density (SG)
Az & Bz from MW
MW 10
) 3.23133483 MW 006 8 1.1407 7.25973245 ( A
2 -3
z
× × − × + =
( ) ( )
2 6 - 4 - 3 -
z
MW 10 39199357 . 2 MW 10 74198514 . 2 ) 10 21540275 . 8 ( B
× × + × × − × =
For Sarasota HME900 with imperial units:
683931 . 38 A A
z z
× =
0185 . 16 B B
z z
× =
MW = molecular weight
A
z
= R-K fluid constant for Z in K
1.5
.m
3
/kg (°R
1.5
.ft
3
/lb)
B
z
= R-K fluid constant for Z in m
3
/kg (ft
3
/lb)