Enmet SPECTRUM ON-LINE Manuel d'utilisateur télécharger pdf (Page 25)

Spectrum ON-LINE ENMET Corporation

SPECTRUM Series for Phosgene (3E sensor)

The following gases cause a reading:

Interferant

Gas/Vapor

Interferant Concentration

in ppm

Instrument Reading

in ppm

ammonia 50 5, drops to 0 in short time

abundant change in

humidity yes

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*

carobn monoxide 300

carbon dioxide 5000

nitrogen 100%

chlorine 1

hydrocarobons % range

hydrogen 1000

sulfuric acid 5

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

SPECTRUM Series for Silane (3E 50 sensor)

The following gases cause a reading:

Interferant

Gas/Vapor

Interferant Concentration

in ppm

Instrument Reading

in ppm

chlorine 0.5 -4

hydrogen cyanide 10 1

ammonia 100 <1

diborane 100 0.4

arsine 1 0.7

germane 1 1

disilane 5 yes

phosphine 300ppb 0.2

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‡

carobn monoxide 300

carbon dioxide 5000

nitrogen 100%

chlorine 1.5

hydrocarobons % range

hydrogen 1000

hydogen fluoride 3.8

hydrogen selenide 50ppb

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

‡short term gas exposure (min.)

1 2 ... 20 21 22 23 24 25 26 27 28 29 30

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Enmet SPECTRUM ON-LINE Manuel d'utilisateur Page 25

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