Reducing the measuring times of a leak detector

 

The tightness of machines and systems is a crucial condition for many production processes to ensure the quality of the manufactured products. Many technical end products such as the cooling circuit of refrigerators or air conditioning hoses in cars do not properly work if they have a leak.

For detecting and localizing leaks under vacuum, helium leak detection has established itself as the optimal method. Compared to traditional methods such as bubble tests or pressure decay, helium leak detection delivers more precise and extensive data. Thereby, leaks can be localized reliably and moreover, production processes can be optimized. Helium leak detection is extremely precise, quantitative, and repeatable. If the presence of any leak is suspected, a fast reaction is crucial for the system user: The leak shall be localized and fixed as soon as possible so that delays or downtimes in production are avoided. For a given pumping capacity of the pumps in use, the response time of the leak detector will increase as the chamber volume increases. To shorten the measurement period and get faster results, there are different measures at hand: By using a turbopump as a “booster”, the time constant of the vacuum system and therefore the response time during leak detection can be decreased.

Read more about this state of the art technology in the attached application report.

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