TSI Quest EVM-7 - Page 160

150 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)
Trichlorofluoromethane
CCl3F
NR
-
-
Trichloronitromethane
CCl3NO2
NR
-
-
Trichlorophenoxyacetic acid, 2,4,5-
C8H5O3Cl3
1.0
100
100
Trichloropropane 1,2,3-
C3H5Cl3
NR
-
-
Trichlorotrifluoroethane, 1,1,1-
C2Cl3F3
NR
-
-
Trichlorotrifluoroethane, 1,1,2-
C2Cl3F3
NR
-
-
Triethylamine
C6H15N
0.9
110
90
Trifluoroethane, 1,1,1-
C2H3F3
NR
-
-
Trifluoroethane, 1,1,2-
C2H3F3
NR
-
-
Trifluoroethanol, 2,2,2-
C2H3F3O
NR
-
-
Trifluoromethane
CHF3
NR
-
-
Trimethylamine
C3H9N
0.5
200
50
Trimethylbenzene mixtures
C9H12
0.3
300
35
Trimethylbenzene, 1,3,5-
C9H12
0.3
300
35
Trinitrotoluene 2,4,6-
C7H5N3O6
NR
-
-
Turpentine
C10H16
0.6
167
60
TVOC
1.0
100
100
Undecane, n-
C11H24
0.9
110
100
Vinyl acetate
C4H6O2
1.1
90
110
Vinyl bromide
2 C2H3Br
1.0
100
100
Vinyl chloride
C2H3Cl
2.1
50
200
Vinyl-2-pyrrolidinone, 1-
C6H9NO
0.9
110
90
Xylene mixed isomers
C8H10
0.4
230
240
Xylene, m-
C8H10
0.4
230
50
Xylene, o-
C8H10
0.6
167
60
Xylene, p-
C8H10
0.6
180
50
Xylidine, all
C8H11N
0.7
140
70