LEL Range, Resolution & Response Time
Range Resolution Response Time
0-100% 1 % 15 sec
LEL Correction Factors
Compound 100% LEL (Vol %) LEL CF*
Acetone 2.5 1.9
Ammonia 15 1.0
Benzene 1.2 2.1
Butane, n- 1.9 1.9
Carbon monoxide 12.5 1.3
Cyclohexane 1.3 2.1
Ethanol 3.3 1.8
Ethyl acetate 2 2.4
Gasoline 1.3 2.6
Heptane, n- 1.1 2.5
Hexane, n- 1.1 2.1
Hydrogen 4 1.0
Isobutene
(Isobutylene)
1.8 1.6
Isopropanol 2 2.2
Methane 5 1.0
Methanol 6 1.6
Methyl ethyl ketone 4.5 2.2
Octane, n- 1 2.7
Propane 2.1 1.4
Propene 2 1.6
Toluene 1.1 2.4
Turpentine 0.8 3.0
Note: Values in bold type are confirmed with RAE Systems by Honeywell instruments. Others,
shown in italic, are calculated from diffusion models.
AreaRAE 140 User Manual
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