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Flow Correction Factor for Gases Other Than Air
If the optional mass flowmeter (PN A.203457004) is installed, use the following chart to select the new
value of the system constant Flow_Span for the type of gas being analyzed. Please refer to Part IV for
infomation on changing the value of Flow_Span.
GAS CONVERSION CHART
GAS
Acetylene
Allene
Air
Ammonia
Argon
Arsine
Boron Trifluoride
Boron Trichloride
Bromotrifluoromethane (Freon-13B1)
Carbon Monoxide
Carbon Dioxide
Carbon Difluoride
Carbon Disulfide
Carbon Tetrachloride
Carbonyl Sulfide
Chlorine
Chlorotrifluoromethane (Freon-13)
Chlorodifluoromethane (Freon-22)
Deuterium
Diborane
Dichlorosilane
Dichlorodifluoromethane (Freon-12)
Dichlorofluoromethane (Freon-21)
1, 2 - Dichlorotetrafluoroethane (Freon-114)
Ethane
GAS
SYMBOL Flow_Span
Hydrogen Chloride
C
H
0.611
Hydrogen Fluoride
2
2
Hydrogen Sulfide
C
H
0.437
Hydrogen Bromide
3
3
~~~
1.002
Hydrogen Selenide
Methane
NH
0.729
Monochloropentafluoroethane (Freon-115)
3
Neon
Ar
1.398
Nitric Oxide
AsH
0.673
3
Nitrogen
Nitrogen Dioxide
BF
0.531
3
Nitrous Oxide
BCI
0.426
3
Nitrogen Trifluoride
CBrF
0.388
3
Oxygen
Phosphine
CO
1.000
Propane
CO
0.763
Propylene
2
COF
0.568
Silane
2
Silicon Tetrafluoride
CS
0.623
Silicon Tetrachloride
2
Sulfur Dioxide
CCl
0.320
Sulfur Hexafluoride
4
Tetrafluoromethane (Freon-14)
COS
0.686
Trichlorotrifluoromethane (Freon-113)
Cl
0.873
2
Trichlorofluoromethane (Freon-11)
CClF
0.404
3
Tungsten Hexafluoride
Uranium Hexafluoride
CHClF
0.473
2
Chloroform
D
0.997
2
Germanium Tetrachloride
Methyl Chloride
B
H
0.471
2
6
Disilane
SiH
Cl
0.435
2
2
Perfluoropropane
CCl
F
0.372
2
2
Germanium Tetrafluoride
CHCl
F
0.440
1, 3, Butadiene
2
Octafluorocyclobutane
C
Cl
F
0.219
2
2
4
C
H
0.449
2
6
SYMBOL Flow_Span
HCl
1.000
2
HF
1.000
H
S
0.806
2
HBr
1.000
H
Se
0.795
2
CH
0.730
4
C
CLF
0.251
2
5
Ne
1.401
NO
0.972
N
1.000
2
NO
0.755
2
N
O
0.734
2
NF
0.506
3
O
0.994
2
PH
0.706
3
C
H
0.360
3
8
C
H
0.427
3
6
SiH
0.625
4
SiF
0.364
4
SiCl
0.294
4
SO
0.703
2
SF
0.285
6
CF
0.445
4
C
Cl
F
0.211
2
3
3
CCl
F
0.344
3
3
WF
0.226
6
UF
0.223
6
CHCl
0.410
3
GeCl
0.277
4
CH
Cl
0.652
3
Si
H
0.329
2
6
C
F
0.178
3
8
GeF
0.325
4
CH
0.324
CF
0.167
Gas Conversion B-1
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