APPENDIX B
B - 1
APPENDIX B. RESPONSE INFORMATION
Correction factors for a number of commonly used
compounds for the LEL sensor are:
Table B-1. Lower Explosive Limit in Vol% and LEL
Correction Factors for LEL Sensor & LEL/TC Sensor
Compound
LEL Sensor
LEL CF
LEL/TC Sensor
LEL CF
LEL
(Vol%)
Acetaldehyde
1.8
4
Acetic acid
3.4
4
Acetone
2.2
4.0
2.5
Ammonia
0.79
15
Benzene
2.1
4.3
1.2
Butadiene, 1,3-
2.5
2
Butane, n-
2.0
1.9
Carbon disulfide
3.6
5.5
1.3
Carbon monoxide
1.2
12.5
Cyclohexane
2.5
1.3
Dichloromethane
1.0
13
Ethanol
1.7
3.3
Ethene
1.5
2.7
Ethyl acetate
2.2
3.8
2
Ethyl benzene
2.8
0.8
Ethyl ether
2.3
1.9
Gasoline, whole
2.1
3.0
1.3
Heptane, n-
2.4
3.9
1.1
Hexane, n-
2.3
4.3
1.1
Hydrogen
1.2
1.7
4
Hydrogen sulfide
2.3
4
Isobutane
1.8
1.8
Isobutene
2.0
2.8
1.8
Isopropanol
1.6
2.5
2
