Eagle Instruction Manual Operation • 12
set to CH4) calibrated to methane. Multiply the display reading by the
factor in the appropriate column in the table. For example, if you are
detecting hexane and the display reads 10% LEL, the actual hexane
reading is 10% x 2.14 = 21% LEL hexane.
WARNING: The Eagle’s alarms are initiated by the DISPLAY reading
not the FACTORED reading. If you are monitoring for
hexane as in the example above and the low alarm is set
for 10% LEL, the Eagle will initiate a low alarm at 21%
LEL hexane (display reading of 10% LEL).
To determine the concentration of other combustible gases with the
Eagle in methane elimination mode, see Table 7 on page 53.
Table 4: Full Response Mode Conversion Factors (Methane Calibration)
Target Gas LEL Factor PPM Factor Target Gas LEL Factor PPM Factor
Acetone 1.89 1.14 Isobutane 1.79 0.64
Benzene 2.85 .48 Isopropanol 2.19 .43
Butyl Acrylate
**
.57 Methane 1.00 1.00
Butyl Acetate 4.34 1.49 Methanol 1.72 .91
2-Butyl Alcohol 4.49 1.54 Methyl Acetate 1.68 .54
1-Butyl Alcohol 6.28 .91 Methyl Acrylate 1.92 .54
Cyclohexane 2.77 .57 Methyl Ethyl
Keytone
2.94 .88
Cumene 5.89 .43 Methyl Isobutyl
Keytone
2.94 .47
Ethylene
Dichloride
5.55 .38 Mixed Xylenes 2.94 .48
Ethyl Alcohol 2.04 .55 Nonane 4.28 0.68
Ethyl Chloride 1.72 .27 Pentane 1.92 .58
Ethyl Acrylate 3.57 1.14 Propane 1.59 .67
Hexane 2.14 0.47 Styrene 4.09 .51
Hydrogen 1.10 .88 Toluene 2.00 .65
Vinyl Acetate
Monomer
3.55 .89
** Vapor pressure too low for significant LEL reading.
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