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TOXIC GASES - STANDARD RANGE

COMPOUND
Chemical Symbol
Relative Density
Air =1
Sensor Location
Total Operating Range
Standard Range
A1
A2
Cross Sensitive
Detectable Gases
Oxygen
O2
1.105
1.5mtr
0~25% Vol.
0~25% Vol.
19%
17%
Carbon Monoxide
CO
0.967
1.5mtr
0~2000ppm
0~250ppm
30ppm
200ppm
Ethylene
Hydrogen Sulphide
H2S
1.188
Lowest Level
0~500ppm
0~50ppm
5ppm
10ppm
Sulphur Dioxide
SO2
2.263
Lowest Level
0~500ppm
0~10ppm
2ppm
5ppm
Nitrogen Oxide
NO
1.036
1.5mtr
0~1500ppm
100ppm
25ppm
35ppm
Nitrogen Dioxide
NO2
2.62
Lowest Level
0~200ppm
0~10ppm
3ppm
10ppm
Chlorine
Cl2
2.473
Lowest Level
0~250ppm
0~10ppm
0.5ppm
1ppm
Hydrogen
H2
0.069
Highest Level
0~2000ppm
0-2000ppm
250ppm
500ppm
Hydrogen Cyanide
HCN
0.94
1.5mtr
0~100ppm
25ppm
5ppm
10ppm
Hydrogen Chloride
HCl
1.26
Lowest Level
0~200ppm
10ppm
2ppm
5ppm
Ammonia
NH3
0.59
Highest Level
0~200ppm
100ppm
25ppm
35ppm
Ozone
O3
1.66
Lowest Level
0~5ppm
2ppm
0.1ppm
0.3ppm
Ethylene Oxide
C2H4O
1.49
Lowest Level
0~100ppm
25ppm
5ppm
10ppm
Ethanol : MEK :
Toluene :
Phosphine
PH3
1.184
Lowest Level
0~20ppm
1ppm
0.2ppm

0.3ppm
Arsine : Diborane :
Silane : Germane
Carbon Dixoide
CO2
0~2%
0.50%

1.50%


FLAMMABLE GASES - STANDARD RANGE

COMPOUND
Chemical Symbol
Relative Density
Air =1
Sensor Location
Total Operating Range
Standard
Range
A1
A2
Cross Sensitive
Detectable Gases
Hydrogen
H2
0.069
Highest Level
0~100% LEL
4%
20%
40%
Methane
CH4
0.55
Highest Level
0~100% LEL
5%
20%
40%
Ethane
C2H6
1.048
Lowest Level
0~100% LEL
3%
20%
40%
Propane
C3H8
1.55
Lowest Level
0~100% LEL
2%
20%
40%
Butane
C4H10
2.11
Lowest Level
0~100% LEL
1.80%
20%
40%
Pentane
C5H12
2.48
Lowest Level
0~100% LEL
1.40%
20%
40%