ENMET SPECTRUM ON-LINE - Manual (Page 22)

ENMET Corporation Spectrum ON-LINE
18
SPECTRUM Series for Nitric Oxide (3E 100 sensor)
The following gases or vapors have been tested and do not cause a reading:
Interferant Gas/Vapor Concentration in ppm
chlorine 5
nitrogen dioxide 100
hydrogen 1000
carbon monoxide 1000
carbon dioxide 10000
saturated HC, alcohols abundant
sulfur dioxide 50
SPECTRUM Series for Nitrogen Dioxide (3E sensor)
The following gases cause a reading:
Interferant
Gas/Vapor
Interferant Concentration
in ppm
Instrument Reading
in ppm
chlorine 1 3
ozone 1 0.7
The following gases or vapors have been tested and do not cause a reading:
Interferant Gas/Vapor Concentration in ppm
hydrogen chloride 5
nitrogen oxide 100
hydrogen 1000
carbon monoxide 1000
carbon dioxide 10000
saturated HC, alcohols abundant
sulfur dioxide 50
ammonia 30
SPECTRUM Series for Hydrazine (2E sensor)
The following gases cause a reading:
Interferant
Gas/Vapor
Interferant Concentration
in ppm
Instrument Reading
in ppm
ammonia 200 0.4
methyl hydrazine 1 0.72
1.1 dimethyl hydrazine 1 0.45
chlorine 3 –0.02
hydrogen sulfice 20 0.1
The following gases or vapors have been tested and do not cause a reading:
Interferant Gas/Vapor Concentration in ppm
ethanol 1000
Isopropanol 450
hydrogen peroxide 10
hydrogen chloride 7
methanol 1200
hydrogen 2000
carbon monoxide 1000
carbon dioxide 5000
unsaturated HC (ethylene) 1%