An alumina ceramic oxygen sensor is a device used to measure the oxygen content in a gas or liquid. It consists of an alumina ceramic sensing element that senses the change in oxygen concentration as it passes over the element.
How it works:
– The alumina ceramic sensing element is exposed to the gas or liquid being measured.
– As the oxygen concentration changes, the resistance of the sensing element also changes.
– This change in resistance is measured by an electronic circuit, which converts it into a voltage or current signal.
– The signal is then sent to a display or other output device, where the oxygen concentration can be read.
Advantages:
– Accurate measurement.
– Long lifetime.
– High sensitivity.
– Resistance to corrosion.
– Small size and light weight.
Applications:
– Medical and health care (e.g., blood gas analysis, anesthesiology).
– Environmental monitoring (e.g., air quality testing, wastewater treatment).
– Industrial process control (e.g., combustion systems, refining processes).
– Aerospace and automotive (e.g., engines, breathing systems).
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