METHOD AND DEVICE FOR TIGHTNESS TESTING
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United States of America Patent
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Oct 2, 2013
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Dec 1, 2007
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Abstract
A method for tightness testing, wherein an evacuated test object is exposed to the external influence of a test gas and wherein a gas mixture made of a test gas withdrawn from the test object and of a carrier gas, is examined for the presence of test gas by use of a test gas sensor which, when viewed in the flow direction of the gas mixture, is arranged downstream of a condensing pump for analyzing the compressed gas mixture, wherein the test object is exposed to the ambient atmosphere without being surrounded by a test chamber, and that a test gas gun is provided for generating the atmosphere containing the test gas.
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