OLCT 60
FIXED POINTGAS MONITOR
USER MANUAL
NPO60GB
Revision F.2
31
5.5
Applicable coefficients for explosive gas calibration
5.5.1
Catalytic sensor type VQ1
The applicable coefficients are shown in the following table.
Gas
Chemical
Formula
LEL
(%)
LSE
(%)
Flash
point
(°C)
Vapor
density
Coefficient
-
Calibration
gas
CH4
(methane)
Coefficient -
Calibration
gas
H2
(Hydrogen)
Coefficient
-
Calibration
gas
C4H10
(Butane)
Coefficient
-
Calibration
gas
C5H12
(Pentane)
Ethyl acetate
C4H8O2
2,10 11,50
-4
3,0
1,65
1,35
0,90
0,80
Acetone
C3H6O
2,15 13,00
-18
2,1
1,65
1,35
0,90
0,80
Acetylene
C2H2
2,30
100
-18
0,9
2,35
1,90
1,25
1,15
Acrylic acid
C3H4O2
2,40
8,00
54
2,5
5,00
4,00
2,65
2,40
Butyl acrylate
C7H12O2 1,20
8,00
37
4,4
3,50
2,80
1,85
1,70
Ethyl acrylate
C5H8O2
1,70 13,00
-2
3,5
3,05
2,45
1,65
1,50
Acrylonitrile
C3H3N
2,80 28,00
-1
1,8
1,45
1,20
0,80
0,70
Ammoniac
NH3
15,00 30,20 < -100
0,6
0,90
0,75
0,50
0,45
Benzene
C6H6
1,20
8,00
-11
2,7
4,00
3,20
2,15
1,90
1.3-Butadiene
C4H6
1,40 16,30
-85
1,9
2,55
2,05
1,35
1,25
Butane
C4H10
1,50
8,50
-60
2,0
1,90
1,55
1,00
0,90
Butanol (Butyl
Alcool)
C4H10O
1,4
11,3
29
2,6
1,95
1,60
1,05
0,95
2 - Butanone (MEK) C4H8O
1,80 11,50
-4
2,5
3,90
3,15
2,10
1,90
Cyclohexane
C6H12
1,20
8,30
-17
2,9
2,00
1,60
1,10
1,00
Dimethylether
C2H6O
3,00 27,00
-41
1,6
1,80
1,45
0,95
0,90
Dodecane
C12H26
0,60
~6,0
74
5,9
4,00
3,20
2,15
1,90
Ethane
C2H6
3,00 15,50
135
1,0
1,50
1,20
0,80
0,75
Ethanol
C2H6O
3,30 19,00
13
1,6
2,15
1,75
1,15
1,05
Ether (Diethylether) (C2H5)2O 1,70 36,00
-45
2,6
1,90
1,55
1,00
0,90
Ethylene
C2H4
2,70 34,00 - 135
1,0
1,65
1,35
0,90
0,80
LPG
Prop+But
1,65
~9,0
< -50
1,9
1,90
1,55
1,00
0,90
Diesel
Melange
0,60
~6,0
55
> 4
3,20
2,60
1,70
1,55
Natural Gas
CH4
5,00 15,00 -188
0,6
1,05
Heptane
C7H16
1,10
6,70
-4
3,5
2,20
1,80
1,20
1,05
Hexane
C6H14
1,20
7,40
-23
3,0
2,10
1,70
1,15
1,00
Hydrogen
H2
4,00 75,60
-
0,069
1,00
Isobutane
C4H10
1,50
8,40
-83
2,0
1,50
1,20
0,80
0,75
Summary of Contents for OLCT 60
Page 1: ...NPO60GB Revision F 2 OLCT 60 FIXED POINTGAS MONITOR USER MANUAL ...
Page 44: ...OLCT 60 FIXED POINTGAS MONITOR USER MANUAL 38 NPO60GB Revision F 2 ...
Page 50: ...OLCT 60 FIXED POINTGAS MONITOR USER MANUAL 44 NPO60GB Revision F 2 ...
Page 52: ...OLCT 60 FIXED POINTGAS MONITOR USER MANUAL 46 NPO60GB Revision F 2 ...
Page 66: ...OLCT 60 FIXED POINTGAS MONITOR USER MANUAL 60 NPO60GB Revision F 2 ...
Page 67: ...OLCT 60 FIXED POINTGAS MONITOR USER MANUAL NPO60GB Revision F 2 61 ...