Trust Your Seal to the Leak Test Experts

Trust Your Seal to the Leak Test Experts

Replacing seals too often? Explore Connectors engineered for longer seal life.

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Certified Leak Standards You Can Rely On

Certified Leak Standards You Can Rely On

Reliably verify leak test systems with calibrated leak standards.

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CTS Connects

Reliable sealing solutions for leak testing, filling, pressure testing and other manufacturing applications.

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Leak Products

Precision-manufactured leak standards provide a known, controlled flow for verifying leak and flow testing equipment. 

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Welcome to the NEW, Official CTS Online Store!

For more than 45 years, Cincinnati Test Systems has helped manufacturers solve leak and function testing challenges. Now, you can conveniently purchase select CTS products online, including our CTS Connect sealing solutions and precision leak standards.

Whether you're looking for a reliable connection for your leak test or a certified leak standard to verify your test system, you're buying directly from the leak test experts at CTS.

Our online store is growing—can’t find the product you need? Located outside of the U.S.?

Need Replacement Seals for your CTS Connect?

New to Leak Testing?

Learn how these tools can improve your leak tests.

CTS Connects

Start with a Reliable Seal

A reliable leak test starts with a reliable connection. CTS Connects provide quick, repeatable sealing to help reduce setup time, prevent inconsistent connections and support accurate test results.

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Leak Products

Verify Your Test with Confidence

Leak standards and other leak test tools help you confirm your system is performing as expected. Use them to verify test accuracy, troubleshoot issues, and maintain confidence in your leak testing process.

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Why Leading Manufacturers Choose Cincinnati Test Systems

More than a Product

Optimize leak test performance with engineered solutions.

Expertise Behind Every Purchase

CTS experts help you select the right solution, not just sell you a part.

Solutions Built for Leak Testing

Achieve reliable, accurate testing with purpose-built products.

Support Beyond the Sale

Access expert service, calibration, and ongoing support.

Need Help Finding the Right Solution?

Whether you need a custom solution, help selecting the right product, or simply have a question, our leak test experts are here to help.

Talk to a Leak Test Expert