96 • Appendix C: Interference Information
SC-04
ESR-B134-NH3, NH
3
Detection
Table 18: Interference Chart for ESR-B134-NH3, NH
3
Detection
Gas
Chemical
Formula
Concentration
Indication
Value
Carbon Dioxide
CO
2
1 vol%
0.3 ppm
Carbon Monoxide
CO
50 ppm
0.7 ppm
Chlorine
Cl
2
0.8 ppm
1.1 ppm
Ethanol
C
2
H
5
OH
0.83 vol%
5.4 ppm
Hydrogen
H
2
500 ppm
0.7 ppm
Hydrogen Chloride
HCl
8 ppm
0.5 ppm
Hydrogen Cyanide
HCN
8.0 ppm
2.5 ppm
Hydrogen Sulfide
H
2
S
30 ppm
0.6 ppm
Isobutane
C
4
H
10
0.89 vol%
0.9 ppm
Methane
CH
4
2.21 vol%
1.0 ppm
Nitric Oxide
NO
101 ppm
0.8 ppm
Nitrogen Dioxide
NO
2
99 ppm
-23.9 ppm
Oxygen
O
2
100 vol%
0.4 ppm
Ozone
O
3
0.3 ppm
8.5 ppm
Phosphine
PH
3
0.5 ppm
1.0 ppm
Sulfur Dioxide
SO
2
30 ppm
1.0 ppm
