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Det-Tronics 505 - Effect of Oxygen Enriched and Deficient; Typical Response of a Catalytic Sensor

Det-Tronics 505
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9 95-8472
0 905101520 304050607080 100
180
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100
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0
CONTROLLER
DISPLAY
READING
(%LFL)
PERCENT OF METHANE (BY VOLUME)
LOWER FLAMMABLE LIMIT
(100% LFL)
UPPER FLAMMABLE LIMIT
C1125
Figure 5—
Typical Response of a Catalytic Sensor over a Range of 0 to 100% Methane by Volume
0 905101520 304050607080 100
100
90
80
70
60
50
40
30
20
10
0
CONTROLLER
DISPLAY
READING
(%LFL)
PERCENT OF OXYGEN IN MIXTURE (BY VOLUME)
B1126
50% LFL METHANE IN STANDARD AIR
4.5% METHANE
2.5% METHANE
90% LFL METHANE IN STANDARD AIR
Figure 6—
Effect of Oxygen Enriched and Deficient Atmospheres