High Accuracy Zirconia Oxygen Analyzer For Power Generation / Environmental

Product Specification

Zirconia O2 Analyser is designed with a high-temperature resistant structure,Humidity and oxygen output

A zirconia oxygen analyzer, also referred to as a zirconia O2 analyzer or zirconia oxygen sensor, is an instrument specifically designed to measure and monitor the concentration of oxygen (O2) in gases. It employs a zirconium dioxide (ZrO2) sensing element to detect and quantify oxygen levels. Here are some key points about zirconia O2 analyzers:

1. Sensing Principle: Zirconia O2 analyzers work on the principle of oxygen ion conductivity through a zirconia-based solid electrolyte. Zirconia is an oxygen ion conductor that exhibits different electrical conductivity characteristics based on the oxygen partial pressure across it.

2. Construction: A typical zirconia O2 analyzer consists of a zirconia-based sensing element, usually in the form of a tube or a flat disc, which serves as the oxygen-sensitive component. The sensing element is heated to an elevated temperature, typically between 500°C and 900°C, to promote oxygen ion conductivity.

3. Reference and Sample Gas: The zirconia O2 analyzer requires a reference gas, often ambient air or a known oxygen concentration gas, to establish a reference oxygen partial pressure on one side of the zirconia sensing element. The sample gas, which is the gas being measured for oxygen concentration, is introduced to the other side of the sensing element.

4. Electrochemical Cell: The zirconia sensing element functions as an electrochemical cell. Oxygen ions migrate through the zirconia from the reference side to the sample side due to the difference in oxygen partial pressure between the two sides. This ion migration generates an electrical potential across the sensing element.

5. Electrical Signal Detection: The electrical potential generated by the zirconia sensing element is measured by the analyzer's electronics. The detected signal is processed and converted into an oxygen concentration reading, typically displayed as a percentage or parts per million (ppm) of oxygen.

6. Calibration and Maintenance: Regular calibration is necessary to ensure the accuracy of zirconia O2 analyzers. Calibration is usually performed using a certified oxygen reference gas or a calibration gas mixture with a known oxygen concentration. Periodic maintenance, such as sensor cleaning and replacement, is essential to maintain optimal performance.

7. Applications: Zirconia O2 analyzers have diverse applications in industries such as combustion control, power generation, industrial processes, and environmental monitoring. They are utilized for monitoring and controlling oxygen levels in applications such as boilers, furnaces, incinerators, and flue gas analysis to optimize combustion efficiency, ensure safe operation, and comply with emission regulations.

Zirconia O2 analyzers offer reliable and accurate measurements of oxygen concentrations in gases, enabling precise control and monitoring of oxygen levels in various industrial processes.

Features

1. Using self-developedThe third generation of solid electrolyte oxygen measurement technology

2. Longer field service life and stronger corrosion resistance

3. Meet the simultaneous online monitoring requirements of two factors of humidity and oxygen

4. The product adds the air one-key calibration function, which makes the instrument calibration operation simple and efficient

5. Humidity, oxygen volume percentage output, meet environmental protection technical requirements