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Vacuum Leak Test Systems

Vacuum leak testing is the principal leak test method for testing sealed parts that could have leakage from an external source into their housings and casings. Prime candidates for vacuum leak testing include:

  • Underwater sensors or housings
  • Outdoor electrical housings
  • Sealed components
  • Components associated with vacuum sources

Vacuum leak testing functions in a similar, but essentially opposite, manner as pressure decay testing.
Cincinnati Test Systems (CTS) designs and manufactures a full line of vacuum leak test instruments that utilize innovative technology to deliver reliable, repeatable solutions to leak testing challenges.

Why Use Vacuum Leak Testing?

In vacuum leak testing, the part or vessel being tested (the test piece) is connected to a pressure/vacuum line and placed in the test chamber. The chamber is closed and sealed, all supply valves are closed, and the test piece and the chamber are simultaneously evacuated via vacuum to a preset pressure level. Once the pressure has stabilized, any pressure change in the test piece is compared to pressure changes in the chamber’s reference volume. If the test piece does, in fact, leak, the pressure difference between the two will increase. This data is measured and recorded.

Compared to pressure decay testing, vacuum leak testing can provide better repeatability because it is less sensitive to environmental variables created by temperature changes. A vacuum leak detector often requires less time to reach a stable test pressure, is less susceptible to potential instability of tested parts, and offers shorter cycle times than tests in many pressure decay applications.

The CTS Advantage

CTS differentiates itself from the competition by offering a broad range of vacuum leak test technologies that can be seamlessly integrated into custom turnkey systems.

Our experience in systems integration makes us a better vacuum leak test instrument manufacturer; our experience with instrument manufacturing makes us a better systems integrator. Our engineering team’s comprehensive understanding of industry best practices gives us a unique advantage in the design and manufacture of robust, reliable solutions. We have a long history of delivering innovative, cost-effective vacuum leak systems for difficult applications.

Contact CTS to learn more or to request a quote on the vacuum test instrument you need.


Turnkey Vacuum Leak Test Systems

Effective vacuum leak testing requires more than just a vacuum test unit. We offer a full line of state-of-the-art vacuum leak test instruments that feature proven mechanical designs and superior engineering for fast test cycles and consistent, reliable results. If you need a complete vacuum leak test system, look no further than CTS.

Contact Cincinnati Test Systems for Vacuum Leak Testing Systems

Interested in a custom vacuum leak test system? Contact CTS today to learn more or to put our team to work on the vacuum test unit you need.