Teledyne 9700 instruction manual Compound LEL Response Factor

Flue Gas Analysis System General Information

TABLE 1: Detector Response To GASES

COMPOUND	LEL*	RESPONSE FACTOR
Methane	5.0	1.00
Hydrogen	4.0	0.86
Carbon Monoxide	12.5	0.32
Ethane	3.0	1.20
Ethylene	2.7	1.26
Acetylene	0.5	1.39
Propane	2.2	1.42
Propylene	2.0	1.33
Butane	1.9	1.54
Hexane	1.1	1.50
Cyclohexane	1.3	1.44
Heptane	1.05	1.59
Benzene	1.3	1.50
Pentane	1.5	1.45
Toluene	1.2	1.48
Ethylene oxide	3.6	0.76
Methyl Ethyl	1.8	0.96
Ketone
Methyl Acrylate	2.8	0.59

*Taken from Fire Hazard Properties of Flammable Liquids, Gases and Volatile Solids, National Fire Protection Agency.

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Figure 5: Combustible Gas Sensor

TELEDYNE BROWN ENGINEERING 11

Analytical Instruments