Transcription of LEAK TESTING METHODOLOGIES - Vacuum …
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LEAK TESTING METHODOLOGIES - Vacuum …
Leak TESTING METHODOLOGIES LEAK TESTING METHODOLOGIES . Different methods can be used for leak TESTING : - Ultrasonic measurement - Bubble test - pressure decay - Vacuum decay test or pressure rise test - Helium sniff - Helium spray - Helium accumulation - Helium leak detection through Vacuum systems ULTRASONIC MEASUREMENT. Any type of leak emits a sound and, depending on the size of the leak, the frequency of the leak can be higher or lower. Very small leaks emit a sound with a frequency which is too high for our ears to detect so an ultrasonic leak detector is used in this case.
Leak Testing Methodologies Tel.: (UK): +44 (0)161 866 88 60 - (US): +1 734 4874566 info@vac-eng.com www.vac-eng.com PRESSURE DECAY If we consider a component charged at a given
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