Chinese Space Science and Technology

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A STUDY OF LEAKAGE DETECTING WITH MASS SPECTROMETRY UNDER NON VACUUM ENVIRONMENT

Yan Zhiping Huang Shuying (Beijing Spacecraft,Beijing 100080)   

  • Online:1997-10-25

Abstract: An economical and practical leak detecting method of mass spectrometry with a part checked in non vacuum container is described.Experiments showed this method is correct.The sensitivity,detecting error and the calibrated leak rate were analysed theoretically.