ENMET SPECTRUM - Manual (Page 23)

SPECTRUM Series ENMET Corporation
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SPECTRUM Series for Fluorine (3E 10 sensor)
The following gases cause a reading:
Interferant
Gas/Vapor Interferant Concentration
in ppm Instrument Reading
in ppm
chlorine 1 2
hydrogen sulfide 10 -1
sulfur dioxide 5 -3.2
nitrogen dioxide 5 .5
bromine 1 3
ammonia 1000 -3.1
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 100000
nitrogen 100%
hydrogen chloride 10
hydrocarbons % range
hydrogen 1000
hydrogen cyanide 10
ethanol 4%
SPECTRUM Series for Hydrogen (2E 2000 sensor)
The following gases cause a reading:
Interferant
Gas/Vapor Interferant Concentration
in ppm Instrument Reading
in ppm
carbon monoxide 50 .06
ethylene 500 .28
sulfur dioxide 2 .06
isopropanol 1090 180
The following gases or vapors have been tested and do not cause a reading:
Interferant Gas/Vapor Concentration in ppm
ammonia 100
carbon dioxide 1000
chlorine 5
hydrogen cyanide 10
hydrogen sulfide 10*
methane 10000
nitrogen dioxide 10
sulfur dioxide 2
*with onboard filter; continuous high level exposure may reduce the filter efficiency