135
BM7Vet Pro
User’s Manual
Warning
Bionet recommends electro-chemical oxygen sensors to ensure proper operation. If you
do not use our recommended oxygen sensor, we are not responsible for any problems
caused by this. Please use the oxygen sensor recommended by our company.
Effect of Electrochemical Oxygen Sensor Technology
The following points illustrate the electrochemical oxygen sensor technology. The operating
principle of oxygen sensor applied to Bionet is galvanic cell method. When oxygen flows from the
outside of the sensor to the inside of the sensor, a current that is proportional to the oxygen
concentration is generated between the anode and the cathode by the following chemical
reaction
.
Anodic oxidation: 2Pb + 2H2O
→
2PbO + 4H + 4e-
Cathodic Reduction: O2 + 4H + 4e
→
H2O
Oxygen sensors have a reduced lifetime in the atmosphere. Therefore, all oxygen sensors present
effective operating time or lifetime. In general, the medical oxygen sensor has an effective
operation time of ~ 1000,000 Vol.% H, and the lifespan varies depending on the usage
environment
Summary of Contents for BM7VET
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Page 156: ...156 BM7Vet Pro User s Manual Accessories Bionet Dual Gas Module...
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