Emerson NGA 2000 TO2 Manuel d'utilisateur télécharger pdf (Page 14)

Instruction Manual

760008-A

September 2001

1-2 Description and Specifications Rosemount Analytical Inc. A Division of Emerson Process Management

Model NGA 2000 TO2

Figure 1-1. Trace Oxygen Detector Coulometric Principle

ELECTRONICS

SECONDARY ANODE (+)

BI-STRATA™ DIFFUSION BAR-

RIER

SAMPLE IN

SAMPLE OUT

O

2

SENSING CATHODE (-)

SECONDARY CATHODE (-)

O

2

SENSING ANODE (-)

O

2

O

2

e

-

e

-

KOH

OH

-

S

S

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 77 78

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