Transcription of Leak Detection Methods - Thomasnet
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Leak Detection Methods : A Comparative Study of Technologies and Techniques Short version Table of Contents 1 Introduction .. 3 2 Leak testing Methods .. 3 Water immersion bubble test method .. 4 Soap solution bubble test .. 6 Pressure decay test .. 6 Vacuum decay test or Pressure rise test .. 8 Tracer gas leak testing .. 9 Sniffing .. 10 Accumulation leak testing .. 10 Vacuum chamber inside-out leak testing .. 11 Outside-in leak testing .. 11 Applications .. 12 Halogen leak detectors .. 12 Inside-out helium sniffer detectors.
Bubble test (He, alcohol) Bubble test (soap painting) Ultrasonic s LEAK DETECTION SENSITIVITY In annex A, a conversion chart for the most commonly used vacuum and leak rate measurement units is provided. In the diagram below, the performance of various leak-test techniques are summarized. 2.1 Water immersion bubble test method
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