The service life of a barium tungsten electrode is affected by many factors, such as working conditions, use environment, electrode preparation process and quality, etc. Therefore, it is impossible to give a specific life value. However, according to some data, the service life of a high-frequency strobe lamp prepared with a barium tungsten electrode can reach more than 5 million times, showing the relatively long service life of the barium tungsten electrode. At the same time, there is also a mention of a long-life coated impregnated barium tungsten cathode with a life of more than 150,000 hours, equivalent to a service life of 12 to 15 years.
It should be noted that the life of the electrode is not fixed, it will vary with changes in use conditions and environment. When used under high temperature conditions, the electrode has a large emission current, but the life may be shorter; when used under lower temperature conditions, the emission current is small, but the life may be longer.
Therefore, in practical applications, in order to extend the life of the barium tungsten electrode, it is necessary to select appropriate working conditions and environment, as well as high-quality electrode preparation processes and materials. In addition, regular maintenance and replacement of the electrode is also an important measure to ensure its stable performance and extend its service life.
In summary, although it is impossible to give a specific life value for barium tungsten electrodes, based on relevant information and practical application experience, it can be considered that barium tungsten electrodes have a relatively long service life, and their life can be further extended through reasonable use and maintenance.
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