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Points to Note When Using An Oxygen Analyzer

According to different principles, oxygen analyzers can be generally divided into three categories: fuel cell oxygen analyzers, zirconia sensor zirconia sensors, and magnetic oxygen analyzers. There are many precautions in the use of oxygen analyzers, otherwise problems such as inconsistent analysis results may easily occur. Therefore, summarizes a few points for your reference:

  1. Before the oxygen analyzer is put into operation for the first time, leak detection should be carried out on the connection points, welding points, valves, etc., to ensure that the oxygen in the air will not penetrate into the pipeline and the inside of the instrument, causing the measurement value to be high.
  2. Before using the instrument again, purify the piping system, blow out the leaked air, and ensure that no air is leaked when connecting the sampling pipeline.
  3. The change of oxygen content in the sample gas will be affected by the material and surface roughness of the pipeline. Therefore, copper pipes or polished stainless steel pipes are generally used for connecting pipes, instead of plastic pipes and rubber pipes.
  4. During micro-analysis, various pipe fittings, valves, meter heads and other dead corners should be avoided to cause pollution to the sample gas. Therefore, the gas path system must be simplified as much as possible, and the dead corners of the connecting parts should be small. Powerful to prevent the pollution caused by the escape of dissolved oxygen, the best use of water seals, oil seals and wax seals to ensure accurate data.
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