Introduction and Application of Electrochemical Oxygen Sensor

Introduction and Application of Electrochemical Oxygen Sensor

Electrochemical Oxygen Sensor is a sensor commonly used to measure oxygen concentration. Its principle is to use electrochemical reactions to detect the presence and concentration of oxygen. By measuring the current or voltage change between electrodes, the concentration of oxygen can be accurately determined, making it widely used in many fields.

Apr 30,2024


Electrochemical Oxygen Sensor is a sensor commonly used to measure oxygen concentration. Its principle is to use electrochemical reactions to detect the presence and concentration of oxygen. By measuring the current or voltage change between electrodes, the concentration of oxygen can be accurately determined, making it widely used in many fields.

Electrochemical Oxygen Sensor

Electrochemical Oxygen Sensor usually consists of working electrode, contrast electrode and reference electrode. The working electrode is coated with an oxide film. When oxygen comes into contact with the film, it triggers an electrochemical reaction, producing an electric current or voltage signal. Through the synergistic effect of the contrast electrode and the reference electrode, the concentration of oxygen can be accurately measured.

In the industrial field, Electrochemical Oxygen Sensor is widely used in environmental monitoring, combustion control, oxygen production and storage, etc. In the automotive industry, oxygen sensors are used to monitor the oxygen content in engine exhaust gases to help adjust the proportion of fuel mixture, improve combustion efficiency, and reduce exhaust emissions.

Overall, the Electrochemical Oxygen Sensor has become an indispensable and important equipment in many industries due to its high sensitivity, fast response and reliability, bringing convenience and safety to our life and work.


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