Oldham OLCT 20, User Manual

Page: 26 / 36

8
– Technical Specifications
22
Poison resistant catalytic sensor, type VQ1
Gas Molecular
formula LEL
(% v/v)
UEL
(% v/v)
CH4
coef. H2
coef. C4H10
coef. C5H12
coef.
Ethyl acetate
C
4
H
8
O
2
2.10 11.50 1.65 0.90 0.80
Acetone
C
3
H
6
O
2.15 13.00 1.65 0.90 0.80
Acetylene
C
2
H
2
2.30 100 2.35 1.90 1.25 1.15
Acrylic acid C
3
H
4
O
2
2.40 8.00 5.00 2.65 2.40
Butyl acrylate
C
7
H
12
O
2
1.20 8.00 3.50 1.85 1.70
Ethyl acrylate
C
5
H
8
O
2
1.70 13.00 3.05 1.65 1.50
Acrylonitrile C
3
H
3
N 2.80 28.00 1.45 1.20 0.80 0.70
Ammonia NH
3
15.00 30.20 0.90 0.75 0.50 0.45
Benzene
C
6
H
6
1.20 8.00 4.00 2.15 1.90
1,3-butadiene
C
4
H
6
1.40 16.30 2.55 1.35 1.25
Butane C
4
H
10
1.50 8.50 1.90 1.00 0.90
Butanol (butyl alcohol
)
C
4
H
10
O
1.4 11.3 1.95 1.05 0.95
2-butanone (MEK)
C
4
H
8
O
1.80 11.50 3.90 2.10 1.90
Cyclohexane C
6
H
12
1.20 8.30 2.00 1.10 1.00
Dimethylether
C
2
H
6
O
3.00 27.00 1.80 0.95 0.90
Dodecane
C
12
H
26
0.60 ~6.0 4.00 2.15 1.90
Ethane
C
2
H
6
3.00 15.50 1.50 0.80 0.75
Ethanol C
2
H
6
O 3.30 19.00 2.15 1.75 1.15 1.05
Ether (diethylether)
(C
2
H
5
)
2
O
1.70 36.00 1.90 1.00 0.90
Ethylene
C
2
H
4
2.70 34.00 1.65 1.35 0.90 0.80
G.P.L.
2 Prop+But
1.65 ~9.0 1.9 1.00 0.90
Diesel mixture 0.60 ~6.0 3.20 1.70 1.55
Natural gas
CH
4
5.00 15.00 1.05 0.60 0.50
Heptane
4 C
7
H
16
1.10 6.70% 2.20 1.20 1.05
Hexane
4
C
6
H
14
1.20 7.40 2.10 1.15 1.00
Hydrogen
H
2
4.00 75.60 1.00
Isobutane
C
4
H
10
1.50 8.40 1.50 0.80 0.75
Isobutylene
C
4
H
8
1.60 10.00 2.20 1.20 1.05
Isopropanol C
3
H
8
O 2.15 13.50 1.60 0.85 0.80
Kerosene (JP-4)
C
10
-C
16
0.70 5.00 5.00 2.65 2.40
Methyl methacrylate
C
5
H
8
O
2
2.10 12.50 2.25 1.20 1.10
Methane
CH
4
5.00 15.00 1.00
Methanol (methyl
alcohol )
CH
3
OH 5.50 44.00 1.40 1.15 0.75 0.70
Naphtha
mixture
0.90 5.90% 3.50 1.85 1.70
Nonane C
9
H
20
0.70 5.60 4.40 2.35 2.10
Octane C
8
H
18
1.00 6.00 2.70 1.45 1.30
Ethylene oxide
(epoxyethane)
C
2
H
4
O
2.60 100 2.10 1.70 1.15 1.00
Propylene oxide
(epoxypropane)
C
3
H
6
O 1.90 37.00 2.35 1.90 1.25 1.15
Pentane C
5
H
12
1.40 8.00 2.10 1.15 1.00
Propane
C
3
H
8
2.00 9.5 1.55 0.85 0.75
Propylene
C
3
H
6
2.00 11.70 1.65 0.90 0.80