The difference between paramagnetic oxygen analyzer and zirconia oxygen analyzer

What is the difference between a paramagnetic oxygen analyzer and a zirconia oxygen analyzer ?
What is the difference between a paramagnetic oxygen analyzer and a zirconia oxygen analyzer ? The answer lies in Chengdu Jiuyin Technology, a paramagnetic oxygen analyzer: a measuring gas containing oxygen based on the principle that the volume magnetic susceptibility of oxygen is much higher than that of a general gas and has a very high paramagnetic characteristic in a magnetic field. Amount of analytical instruments. Paramagnetic oxygen analyzers, also known as magnetic effect oxygen analyzers, or magnetic oxygen analyzers, are commonly referred to as magnetic oxygen analyzers. It is generally divided into three types: thermomagnetic convection, pressure mechanical and magnetic pressure oxygen analyzers. Zirconium Oxygen Analyzer: The measured gas (flue gas) enters the inside of the zirconia tube through the sensor, and the reference gas (air) enters the outside of the sensor through natural convection. When the oxygen concentration inside and outside the zirconium tube is different, the zirconia tube is inside. The outside of the oxygen concentration potential (in the case of the reference gas determination, the oxygen concentration potential of the zirconia output and the sensor operating temperature and the measured gas concentration as a function of the relationship) the oxygen concentration potential is converted into a A standard signal that measures the oxygen content of the flue gas in a linear relationship for display and output by the RHO meter.
Two application differences
1. Zirconium oxide is mainly used in the measurement of oxygen content in heating furnaces, and such applications occupy the vast majority.
Advantages: The detector has strong adaptability, resistance to certain corrosion and dust water, mature technology, low price, no need for cumbersome pretreatment, direct measurement and stable measurement.
Disadvantages: The process pressure is measured near atmospheric pressure, the gas flow rate cannot be too high, and the application has certain limitations. Of course, there are also a few applications for micro or high pressure measurement.
2, paramagnetic oxygen analyzer is not affected by the pressure of the sample gas, after pre-treatment decompression, water removal and dust removal, etc., the measurement is higher than zirconia.
The price is also expensive, the maintenance of the usual pre-processing is the main job, and some spare parts support is needed.
In furnace applications, such instruments can also be measured and should be more extensive.
About precision: In fact, each manufacturer will not be much different. The key is that under the harsh conditions, who is the most resistant, who has the best stability. The background gas component is a key indicator that affects him, and needs to be considered when selecting a model.
Key component detector;
The reference gas consumption is also very small, 40L cylinders for more than 3 months. Choose different reference gases depending on the application, at least in more than 3 categories.

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