Compound Vol%
forNA
LEL
Vol%
forEN
LEL
Linearity
Curve/Table
CalGas NA
Span
Value
EN
Span
Value
t-AmylAlcohol 1.3 1.4 6 0.6%Propane 41% 38%
Aromatic100 0.9 n.a. 1 2.5%Methane 75% n.a.
Benzene 1.2 1.2 8 0.1%Propane 42% 42%
1,3-Butadiene 2.0 1.4 8 0.1%Propane 23% 33%
Butane 1.9 1.4 4 0.6%Propane 29% 39%
Butanol 1.4 1.4 6 0.6%Propane 42% 42%
Butene 1.6 1.6 6 0.6%Propane 57% 57%
ButylAcetate 1.7 1.2 6 0.6%Propane 40% 57%
ButylAcrylate 1.5 1.2 6 0.6%Propane 45% 56%
ButylMethacrylate 2.0 1.0 6 0.6%Propane 33% 66%
Butyraldehyde 1.4 1.7 6 0.6%Propane 65% 54%
Cumene 0.9 0.8 1 2.5%Methane 43% 48%
Cyclohexane 1.3 1.0 1 2.5%Methane 50% 65%
Cyclohexanone 1.1 1.3 6 0.6%Propane 74% 63%
Cyclopentane 1.5 1.4 7 0.6%Propane 31% 33%
Cyclopentanone 1.5 1.6 1 2.5%Methane 60% 56%
1,2-Dichloroethane 6.2 6.2 8 0.1%Propane 14% 14%
Dicyclopentadience
(DCPD)
0.8 0.8 6 0.6%Propane 55% 55%
Diethylamine 1.8 1.7 2 0.6%Propane 32% 34%
DiethylEther 1.9 1.7 2 0.6%Propane 38% 42%
DiethylEther 6.2 n.a. 8 0.1%Propane 20% n.a.
1,1-Difluoroethane(R-
152a)
3.7 4.0 2 0.6%Propane 52% 48%
Diisobutylene 0.8 0.8 2 0.6%Propane 52% 52%
DiisopropylEther 1.4 1.0 6 0.6%Propane 34% 48%
Dimethylamine 2.8 2.8 2 0.6%Propane 37% 37%
Dimethylaminopropylamin
e(DMAPA)
2.3 1.2 2 0.6%Propane 29% 56%
DimethylEther 3.4 2.7 2 0.6%Propane 32% 40%
Dimethylethylamine
(DMEA)
2.3 n.a. 2 0.6%Propane 22% n.a.
Dimethylisopropylamine
(DMIPA)
1.0 1.1 6 0.6%Propane 47% 43%
US Ultima X5000 Gas Monitor 88
9 Appendix: Calibration Guide for Additional Gases
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