The difference between paramagnetic oxygen analyzer and zirconia oxygen analyzer
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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