Line of Sight Infrared Hydrocarbon Gas Detector AutroPath HC800 , 116-P-HC800/IGB, Rev. A, 2016-03-03
P/N 95-8744, v4.2 , rev. 3/16
Autronica Fire and Security AS
Page 3
Gas
Path Length (m)
Cloud
Concentration
(LFL)
Cloud
Concentration (v/v, by
volume)
Cloud
Concentration
(ppm)
LFL-m
ppm-m
Methane
1
100%
5.0%
50000
1
50000
Methane
2
100%
5.0%
50000
2
100000
Methane
3
100%
5.0%
50000
3
150000
Methane
4
100%
5.0%
50000
4
200000
Methane
5
100%
5.0%
50000
5
250000
Propane
1
100%
2.2%
22000
1
22000
Propane
2
100%
2.2%
22000
2
44000
Propane
3
100%
2.2%
22000
3
66000
Propane
4
100%
2.2%
22000
4
88000
Propane
5
100%
2.2%
22000
5
110000
Butane
1
100%
1.9%
19000
1
19000
Butane
2
100%
1.9%
19000
2
38000
Butane
3
100%
1.9%
19000
3
57000
Butane
4
100%
1.9%
19000
4
76000
Butane
5
100%
1.9%
19000
5
95000
table 1—lFl-m to ppM-m conversion