Leak detection know-how

How to find a leak?

We have all practiced basic leak detection before. A leaking bicycle or car tire is good example of the dramatic effect of the leak on the performance of a product and the knowledge on how to diagnose and repair one.

The demands of high technology industries and modern manufacturing mean that leak detection has become highly specialized. We now need to be able to find leaks in high speed manufacturing lines, in hostile environments or at microscopic sizes.

No leaks are ever the same, so detection requires a comprehensive range of solutions and years of ‘hands on’ experience. Pfeiffer Vacuum excels in the use of helium and hydrogen tracer gas, and offers different detection techniques to address all applications.

Six test methods for leak detection

Test methods and their products

 Vacuum test: Spraying test Sniffing test Integral vacuum test Vacuum test: Bombing test Integral test of enclosed parts under vacuum Sniffing test: Integral test at atmospheric pressure
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