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SPECTRUM Series ENMET Corporation

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

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