ENMET SPECTRUM - Manual (Page 22)

ENMET Corporation SPECTRUM Series
18
SPECTRUM Series for Hydrogen Chloride (3E 30 sensor)
The following gases cause a reading:
Interferant
Gas/Vapor Interferant
Concentration in ppm Instrument Readilng
in ppm
hydrogen bromide 5 5
hydrogen sulfide 14 30
sulfur dioxide 5 3.5
chlorine 5 1
hydrogen cyanide 14 1
arsine 330 ppb .4
ethanol 6.6% 6
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 5000
nitrogen 100%
Hydrocarbons % range
hydrogen 1000
phosgene .5
chlorinated hydrocarbons % range
ammonia 300
SPECTRUM Series for Hydrogen Fluoride (3E 10 sensor)
The following gases cause a reading:
Interferant
Gas/Vapor Interferant Concentration
in ppm Instrument Reading
in ppm
chlorine or bromine 5 3
sulfur dioxide 2 2
hydrogen chloride 5 .75
The following gases or vapors have been tested and do not cause a reading:
Interferant Gas/Vapor Concentration in ppm
alcohols (i.e. IPA) 1000
ammonia 100
hydrogen 1000
carbon monoxide 50
carbon dioxide 10%
unsaturated HC(ethylene) 1%
hydrogen sulfide 20