TSI Quest EVM-7 - Page 155

145 Appendix C
PID sensor and correction factors tables
EVM Series User Manual
Gas/VOC
Formula
(used to convert
ppm measurement
to mg/m
3
)
Correction
factor
Relative
sensitivity (%)
Typical PID
(ppb)
Ethyl benzene
C8H10
0.5
185
50
Ethyl butyrate
C6H12O2
1.0
105
100
Ethyl chloroformate
C3H5O2Cl
80
1
8300
Ethyl cyanoacrylate
C6H7O2N
1.5
67
150
Ethyl decanoate
C12H24O2
1.8
56
180
Ethyl formate
C3H6O2
30
3
3000
Ethyl hexanoate
C8H16O2
2.6
38
260
Ethyl hexanol, 2
C8H18O
1.5
67
150
Ethyl hexyl acrylate, 2-
C11H20O2
1.0
100
100
Ethyl mercaptan
C2H6S
0.7
145
70
Ethyl octanoate
C10H20O2
2.3
40
230
Ethylene
C2H4
8.0
13
800
Ethylene dinitrate
C2H4O6N2
NR
-
-
Ethylene glycol
C2H6O2
20.0
5
2000
Ethylene oxide
C2H4O
15.0
7
1500
Ferrocene
C10H10Fe
0.8
125
80
Fluorine
F2
NR
-
-
Fluoroethane
C2H5F
NR
-
-
Fluoromethane
CH3F
NR
-
-
Formaldehyde
CH2O
NR
-
-
Formamide
CH3ON
2.0
50
200
Formic acid
CH2O2
NR
-
-
Furfural
C5H4O2
1.4
70
140
Furfuryl alcohol
C5H6O2
2.0
50
200
Gasoline vapors
1.1
95
105
Germane
GeH4
10.0
10
1000
Glutaraldehyde
C5H8O2
0.9
111
90
Halothane
CF3CHBrCl
NR
-
-
Helium
He
NR
-
-
Heptan-2-one
C7H14O
0.7
140
70
Heptan-3-one
C7H14O
0.8
133
75
Heptane n-
C7H16
2.1
50
200
Hexachloroethane
C2Cl6
NR
-
-
Hexafluoroethane
C2F6
NR
-
-
Hexamethyldisilazane, 1,1,1,3,3,3-.
C6H19NSi2
1.0
100
100
Hexamethyldisiloxane
C6H18OSi2
0.3
350
30
Hexan-2-one
C6H12O
0.8
125
80
Hexane n-
C6H14
4.2
25
420
Hexene, 1-
C6H12
0.9
110
90
Hydrazine
H4N2
3.0
33
300
Hydrazoic acid
HN3
NR
-
-
Hydrogen
H2
NR
-
-
Hydrogen bromide
HBr
NR
-
-
Hydrogen chloride
HCl
NR
-
-
Hydrogen cyanide
HCN
NR
-
-
Hydrogen fluoride
HF
NR
-
-
Hydrogen peroxide
H2O2
4.0
25
400
Hydrogen sulfide
H2S
4.0
25
400