Each industry has different standards and requirements for leak testing components and assemblies. The purpose of these standards is to ensure the integrity of assembled parts and prevent defects that lead to costly recalls. For industries like medical device manufacturing and automotive, leaking products pose a serious risk to consumers. Minimizing leak issues is a priority for any manufacturer, but not all leak testing instrumentation delivers the reliability and traceability you need.

At Cincinnati Test Systems, we deliver state-of-the-art leak test instrumentation and verification equipment, leak test systems, and leak test solutions for a broad range of industrial applications. Pneumatic leak test systems are used by various industries to provide leak testing of critical parts and components using compressed air or inert gases. Our turnkey solutions are utilized by industries including automotive, consumer goods, HVAC, medical and several others.

Leak Testing Instrumentation and Sealing Solutions for Industrial Applications

Since 1981, Cincinnati Test Systems has manufactured test instruments and custom leak test systems that support over 25,000 test applications around the globe. Our company is recognized as the leader in function and leak test systems experienced in calibration, leak, flow, pressure, vacuum, hydraulic, force, tracer gas test and helium reclaim solutions. We offer turnkey systems that include design, manufacture and global application support of custom test solutions.

We carry a variety of in-stock and out-of-the-box solutions for leak testing applications and offer full design and manufacturing services when customization is required. Learn more about our capabilities below or contact us if you have any questions regarding our products and services.

  • Leak Testing SolutionsWe provide leak test solutions that include some of the most technically advanced testing and detection equipment available. Whether you need mass flow test systems, pressure testing equipment or vacuum leak test systems, we can help you find the right option for your testing application.
  • Leak Detection Equipment: Our equipment comes standard with advanced features and testing algorithms to provide fast, reliable and repeatable results. We offer several high-performance leak detection equipment options and accessories to ensure you find the right system for your testing requirements.
  • CTS Connect Pneumatic Fittings: We carry a full line of standard and custom pneumatic connectors, seals and fittings that feature our proprietary seal materials for superior resistance to water, chemicals and other fluids. Our line of pneumatic fittings is engineered for sealing reliability and are available for smooth bores and threaded applications.
  • Industrial Seals: With over 1,000 types of in-stock, standard seals available, we can provide the right solution for your industrial seal needs. Our high-quality industrial seals are available in three material options for standard, heavy-duty, and medical or food-grade applications. We also offer custom seals for customers with unique sealing requirements.

Leak Testing for Industrial Applications

Ensuring product integrity throughout the development and manufacturing process is essential for preventing costly recalls. We design our leak test instruments to handle simple and complex testing applications across a broad range of industries. Using our testing expertise and experience partnering with a wide array of customers, we will help you find the best solution for your testing needs and compliance with industry standards.

Automotive Industry

Our automotive leak test instrumentation helps you meet requirements for assembly, sub-assembly, and component-level testing. CTS leak testing technology includes pressure decay, mass flow, pressure gain, and burst/proof testing solutions, as well as Tracer gas techniques using Helium and Hydrogen/Nitrogen gases for low-level leak applications and leak location.

Powertrain Manufacturing

Use our leak test instrumentation to test final assembly engines and transmissions along with other engine components or assemblies for reliability and performance. Our powertrain turnkey testing solutions include flow and calibration, hydrostatic and hydraulic pressure, mass flow and pressure decay leak tests, signature analysis, and more.

As our customers shift their focus into Electronic Vehicle applications, our technical specialists are partnering with them to find the right test technologies and solutions for testing newly developed products.

Electric Vehicle Battery Manufacturing

Our experience in a wide range of demanding applications gives CTS the knowledge and experience to help EV battery manufacturers determine their requirements in this emerging market. Whether air or tracer gas is the desired solution, we have the leak test instruments to address challenges such as uncertain leak rates and vulnerability to temperature and atmospheric pressure changes.

Consumer Goods Manufacturing

Our solutions for consumer goods include leak, flow, and burst instruments that meet a broad spectrum of testing requirements. Use CTS leak verification instruments to test products ranging from electronic devices to lawn and garden equipment and everything in-between.

Energy Sector

We partnered with the U.S. Department of Energy over a decade ago to explore testing methods for high volume fuel cell manufacturing. Since then, we’ve continued delivering advanced technology to the energy sector. CTS covers the full spectrum by providing green energy leak test instrumentation along with solutions for fuel cells, solar energy systems, and battery programs.

HVAC/R Industry

Heating and cooling system components such as valves, hoses, and seals are prone to leaks. Ensuring the integrity of HVAC/R components and final assemblies requires testing at each stage of the assembly process. Use our pressure technologies to identify large leak rates and tracer gas technologies for micro leaks. Tracer gas leak detection instruments are utilized to test condensers, coils, compressors, heat exchangers, tubing, and more.

Medical Device Manufacturing

Leaks in medical devices place the comfort and safety of patients at risk. Thorough diagnostic testing is crucial in preventing costly and potentially life-threatening product defects. Our team partners with you during product development as our CTS leak test instrumentation provides manufacturers with the effectiveness and accuracy required for testing bags, catheters, tubing, and other medical devices.


The military’s stringent testing guidelines help ensure quality and prevent the failure of critical components. CTS understands these guidelines and helped develop testing systems for ammunition and fire suppression containers. Our leak test instrumentation can be used for the most sensitive military applications.

Other Transportation

Our leak verification instruments include vacuum decay, pressure decay, differential, and mass flow testing systems for air brake systems, hydraulic components, cabin cooling systems, gas tanks, emissions systems, and other applications. We also provide customizable hydraulic leak, flow, and burst test measurement systems for the transportation industry.

Contact Cincinnati Test to Learn More About Our Leak Test Systems

CTS has over 30 years of experience in designing and manufacturing leak testing equipment and partnering with customers for nearly every major market. Our leak verification equipment uses advanced technology and is configurable and customizable to meet your testing needs. Partner with CTS and our team will help you select a system based on your requirements or work with you to design a solution for your unique testing situation.