Enmet SPECTRUM Manuel d'utilisateur télécharger pdf (Page 26)

ENMET Corporation SPECTRUM Series

SPECTRUM Series for Sulphur Dioxide(4S sensor)

The following gases cause a reading:

Interferant

Gas/Vapor

Interferant Concentration

in ppm

Instrument Reading

in ppm

carbon monoxide 300 <3

hydrogen sulphide 15 0

nitric oxide 35 0

nitrogen dioxide 5 ≈-5

The following gases or vapors have been tested and do not cause a reading:

Interferant Gas/Vapor Concentration in ppm

chlorine 1

hydrogen 200

hydrogen cyanide 10

hydrogen chloride 5

ethylene 100

SPECTRUM Series for Arsine (2E sensor)

The following gases cause a reading:

Interferant

Gas/Vapor

Interferant Concentration

in ppm

Instrument Reading

in ppm

phosphine 100 ppb 110

chlorine 5 -400

hydrogen cyanide 10 100

ammonia 100 10

diborane 100 35

silane 1 100

germane 1.1 100

hydrogene selenide 50 ppb 5

The following gases or vapors have been tested and do not cause a reading:

Interferant Gas/Vapor Concentration in ppm

hydrogen sulfide 1*

sulfur dioxide 2

hydrochloric acid 5

carbon monoxide 300

carbon dioxide 5000

nitrogen 100 %

hydrocarbons % range

hydrogen 1000

*with onboard filter; continuous high level exposure may reduce the filter efficiency

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Enmet SPECTRUM Manuel d'utilisateur Page 26

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