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Pressure Gain Systems

With over 30 years of experience in building leak detection systems, Cincinnati Test Systems (CTS) has touched every market and has the knowledge base that makes us the best in the World. CTS has been able to optimize test technologies including Pressure Gain which allows a part under test to be measured with more precision at lower leak specifications. This technology has the following uses:


One area where CTS excels over our competition is testing parts that are completely sealed for example, an enclosure containing electronics with potted terminals. CTS has the unique advantage of being able to leverage the experience gained as a result of the design and manufacturing of virtually thousands of unique test applications. A test method developed and optimized by CTS is called “Volumetric Fill”. This method allows CTS to detect the smallest to the largest leaks in any sealed part by placing the component within a chamber and applying a pre-measured amount of vacuum or pressure to the sealed chamber. When using the CTS instruments that are specifically designed for this application the customer can expect optimized test performance.


Another area of use for Pressure Gain is on high pressure components where test performance is sometime degraded due to adiabatic effects caused when filling with high pressure. This usually becomes a noise to the test. By placing the component within a sealed chamber, pressuring the part to the desired test pressure, and actually measuring the pressure gain inside the sealed chamber. CTS can improve test performance and cycle time as a result of isolating the adiabatic effects within the part while the chamber is monitored for the leak.


CTS can also perform burst test or part integrity test in a similar manor to High Pressure testing. As a part is ramped up in pressure we can monitor the chamber for sudden changes in pressure or in gain. The chamber would have special design requirements for this application to protect against damage in the event of a burst.


Testing components like carbon canisters and charcoal water filters pose unique challenges due to absorbent nature of the material housed in them. CTS has extensive knowledge of chambered test methods where positively pressurized components are placed in a chamber. Vacuum is applied to the chamber to create a pressure differential across the part walls. The resultant pressure gain in the chamber(due to the leak across the part wall) is measured to verify whether or not the component meets the stated specification requirements.

Challenging applications require innovative test methods and CTS stands alone when it comes to developing the optimal solution to fit the application. Superior know how, application experience, and cutting edge technology are the hallmarks of CTS growth strategy over the past 30+ years. Applying pressure gain technologies requires specific expertise to insure that the leak detection systems function properly insuring the integrity of the products being tested. From testing carbon canisters to catheter testing, CTS is uniquely positioned to solve the most challenging leak testing problems.

Contact Us today for a free evaluation of your pressure gain test requirements or allow Cincinnati Test Systems to provide you with more information or a quotation.