Oldham OLCT 80 User Manual page 87

Gas
Propane
Styrene
Toluene
Xylene
Table 2: calibration coefficients for 4F-type combustible sensors
Gas Molecular
formula
C
Ethyl acetate
4
Acetone C
3
Acetylene C
2
C
Acrylic acid
3
C
Butyl acrylate
7
C
Ethyl acrylate
5
Acrylonitrile C
3
NH
Ammonia
C
Benzene
6
C
1,3-butadiene
4
Butane C
4
Butanol (butyl alcohol
C
4
)
C
2-butanone (MEK)
4
C
Cyclohexane
6
C
Dimethylether
2
C
Dodecane
12
C
Ethane
2
C
Ethanol
2
(C
Ether (diethylether)
Ethylene C
2
2 Prop+But
G.P.L.
mixture
Diesel
CH
Natural gas
4
Heptane C
7
4 C
Hexane
6
H
Hydrogen
2
C
Isobutane
4
C
Isobutylene
4
Isopropanol C
3
C
Kerosene (JP-4)
10
C
Methyl methacrylate
5
CH
Methane
Methanol (methyl
CH
alcohol )
mixture
Naphtha
C
Nonane
9
Methane Pentane
1.60 0.80
2.40 1.20
2.50 1.25
2.40 1.20
LEL UEL
(% v/v) (% v/v)
H O
2.10 11.50
8 2
H O 2.15 13.00
6
H 2.30 100
2
H O
2.40 8.00
4 2
H O
1.20 8.00
12 2
H O
1.70 13.00
8 2
H N 2.80 28.00
3
15.00 30.20
3
H
1.20 8.00
6
H
1.40 16.30
6
H 1.50 8.50
10
H O
1.4 11.3
10
H O
1.80 11.50
8
H
1.20 8.30
12
H O
3.00 27.00
6
H
0.60 ~6.0
26
H
3.00 15.50
6
H O
3.30 19.00
6
H ) O
1.70 36.00
2 5 2
H 2.70 34.00
4
1.65 ~9.0
0.60 ~6.0
5.00 15.00
4
H 1.10 6.70%
16
H
1.20 7.40
14
4.00 75.60
H
1.50 8.40
10
H
1.60 10.00
8
H O 2.15 13.50
8
-C
0.70 5.00
16
H O
2.10 12.50
8 2
5.00 15.00
4
OH 5.50 44.00
3
0.90 5.90%
H
0.70 5.60
20
Hydrogen
CH4 H2 C4H10
coef. coef. coef.
1.65 0.90
1.65 0.90
2.35 1.90 1.25
5.00 2.65
3.50 1.85
3.05 1.65
1.45 1.20 0.80
0.90 0.75 0.50
4.00 2.15
2.55 1.35
1.90 1.00
1.95 1.05
3.90 2.10
2.00 1.10
1.80 0.95
4.00 2.15
1.50 0.80
2.15 1.75 1.15
1.90 1.00
1.65 1.35 0.90
1.9 1.00
3.20 1.70
1.05 0.60
2.20 1.20
2.10 1.15
1.00
1.50 0.80
2.20 1.20
1.60 0.85
5.00 2.65
2.25 1.20
1.00
1.40 1.15 0.75
3.50 1.85
4.40 2.35
10 – Accessories
C5H12
coef.
0.80
0.80
1.15
2.40
1.70
1.50
0.70
0.45
1.90
1.25
0.90
0.95
1.90
1.00
0.90
1.90
0.75
1.05
0.90
0.80
0.90
1.55
0.50
1.05
1.00
0.75
1.05
0.80
2.40
1.10
0.70
1.70
2.10
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