Emerson NGA 2000 TO2 Respiratory Product User Manual


 
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