Instruction Manual
748441-D
April 2002
1-8 Description and Specifications
Rosemount Analytical Inc. A Division of Emerson Process Management
Model CAT100
Figure 1-6. Reaction of Galvanic Cell
(Red)
V out
(Black)
Thermistor (5)
Resistor (6)
(-)
(+)
Gold
Lead
Cathode (2)
Anode (1)
O
2
+ 4 H + 4 e
→
2 H
2
O
2 Pb + 2 H
2
O
→
2PbO + 4 H + 4 e
Electrolyte (3)
(ph 6)
Summary reaction O
2
+ 2 Pb
→
2 PbO