AO2000 CONTINUOUS GAS ANALYZERS  |  OI/AO2000-EN REV. B  245
 
 
 
Fidas24: Response factor and other relevant variables 
Response factor 
Definition 
ionconcentrat
display value Measured
  factor Response =
 
 or 
factor Response
display value Measured
  ionConcentrat =
 
 
The response factor of propane (C
3
H
8
) is equal to 1.00 as defined. 
Response factors for Fidas24 analyzer module 
 
Sample component      Response factor
 1)
 
Toluol C
7
H
8
 0.95 
Chlorbenzene C
6
H
5
Cl 0.95 
p-Xylol C
8
H
10
 0.92 
Benzol C
6
H
6
 0.99 
Ethylbenzene C
8
H
10
 0.92 
Propane C
3
H
8
 1.00 
n-Hexane C
6
H
14
 0.97 
n-Octane C
8
H
18
 0.93 
iso-Octane C
8
H
18
 1.04 
Trichlorethylene C
2
HCl
3
 0.96 
Tetrachlorethylene C
2
Cl
4
 1.00 
Ethane C
2
H
6
 1.01 
Butane C
4
H
10
 0.97 
Methanol CH
3
OH 0.74 
Butanol C
4
H
9
OH 0.83 
Acetic acid  C
2
H
4
O
2
 0.52 
Dichlormethane CH
2
Cl
2
 1.00 
Methane CH
4
 1.14 
1) Measurement of the components in synthetic air 
NOTE 
The response factors for an individual analyzer module may differ slightly 
from the values indicated in the table.