Emerson ROSEMOUNT NGA2000 TO2 - Manual (Page 14)

Instruction Manual
748374-F
March 2003
1-2 Description and Specifications Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA2000 TO2
Figure 1-1. Trace Oxygen Detector Technology
ELECTRONICS
SECONDARY ANODE (+)
BI-STRATA™ DIFFUSION
BARRIER
SAMPLE IN
SAMPLE OUT
O
2
SENSING CATHODE (-)
SECONDARY CATHODE (-) O
2
SENSING ANODE (-)
O
2 O
2
e -
e -
KOH
OH
-
S
S