ENMET EN Series User Manual
Page 11

Sensor/Transmitter, Toxic Gas & Oxygen
ENMET Corporation
9
Chlorine (3E sensor)
The following gases cause a reading:
Interferant
Gas/Vapor
Interferant Concentration
in ppm
Instrument Reading
in ppm
hydrogen sulfide
10
-0.3
sulfur dioxide
5
-1.2
nitrogen dioxide
5
0.1
bromine
1
1.0
chlorine dioxide
0.32
0.3
ammonia
1,000
-1.1
The following gases or vapors have been tested and do not cause a reading:
Interferant Gas/Vapor
Concentration in ppm
carbon monoxide
300
carbon dioxide
100,000
nitrogen
100. %
hydrogen chloride
20
hydrocarbons, general
% range
hydrogen
1,000
ethanol
6.6 %
ammonia
65
Hydrogen Sulfide (3E sensor)
The following gases cause a reading:
Interferant
Gas/Vapor
Interferant Concentration
in ppm
Instrument Reading
in ppm
carbon monoxide
100
3
chlorine
20
-1
ethylene
500
2
hydrogen
100
5
hydrogen
20,000
100
hydrogen cyanide
10
1
sulfur dioxide
10
3
The following gases or vapors have been tested and do not cause a reading:
Interferant Gas/Vapor
Concentration in ppm
ammonia
100
carbon dioxide
5,000
methane
10,000
sulfur dioxide
3
nitrogen dioxide
10