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Mass Flow Test Systems & Instrumentation

For over 30 years, Cincinnati Test Systems (CTS) has been a leader in the design and fabrication of mass flow testing technology. Mass flow rate is the mass of a substance (liquid or gas) flowing past a fixed point per unit of time. Mass flow systems measure the volumetric flow of air passing into or through a product per unit of time (e.g. cubic centimeters of air per minute). This measurement is used for the leak testing and blockage (occlusion) testing of devices.

CTS’ Mass Flow Meters

Through extensive application experience, our engineering team has developed comprehensive knowledge of the factors that must be considered when integrating a mass flow test instrument into a production testing environment. To get the most accurate test results, it is critical to know the best mass flow technology to use for your application, how to obtain measurement repeatability, and how to minimize test noise caused by environmental factors. The range of the flow test system is also a key consideration for optimum precision and repeatability.

Selecting the right mass flow instrumentation for your application is vital to getting the most accurate results. CTS offers all common mass flow meter technologies used in modern production testing, with systems like the Sentinel I28 and Sentinel Blackbelt (see below) that provide leak testing and high flow measurements at target pressures, along with numerous other useful features.

  Product Name  Model  Description   
Sentinel Blackbelt
Sentinel Blackbelt
Sentinel Blackbelt™

The Blackbelt is a precision benchtop leak test instrument designed for maximum performance and minimal space requirements. Cincinnati Test Systems' Blackbelt instrument utilizes advanced al...

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Sentinel I28
Sentinel I28
Sentinel™ I28

The Sentinel I28 is the world’s most advanced multi-functional test instrument on the market. The I28 features a standard valve manifold design tested with over 40,000,000 cycles. CTS pair...

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Mass Flow Meter Technology

What really sets CTS apart from the competition is our ability to offer application-specific, turnkey systems that meet the unique needs of our customers' challenging production environments. We will work with you to determine the best flow testing solution for your needs.

  • Mass Flow Testing: Technology that uses a mass flow meter to determine the rate of a fluid or gas flowing. Flow testers are typically used for calibration, occlusion testing, and critical flow requirements. Also commonly used in leak detection instruments.
  • Mass Flow Path Size Testing: Accurate technique used to determine restrictions in test parts. Technology includes pneumatic and hydraulic media.
  • Mass Flow Leak Testing: Widely used for larger volume or highly elastic parts. These leak detection instruments measure and record the flow of makeup air/gas required to compensate for air/gas loss from a leak at a constant pressure over a fixed time period.
  • Mass Flow Leak Standard Testing: This flow testing method allows non-leaking parts to read near zero by tarring out conditions that result in flow not attributed to leaking.
  • Differential Mass Flow Leak Testing: Similar to mass flow testing, but utilizes a reference volume of similar or exact design or volume of the part under test to help eliminate additional flow characteristics that are not associated with a leak like adiabatic conditions. This flow test method allows more stable test pressures of makeup air during test, and typically offers improved repeatability depending on the application.

CTS can also develop a completely custom mass flow test system based on your unique requirements. Contact Cincinnati Test Systems today for more information on our mass flow meters or to put one of our application specialists to work on a mass flow instrument or custom system for your application.