InterTech Technology
As a world leader in Test Technology, InterTech has leak & flow testing solutions for leak testing using dry air of pressure decay testing and mass flow testing. Many make mistakes of equating the upfront costs of a leak tester instrument with the costs of the leak testing in total. Over the economic life of a leak tester, the upfront costs of the test instrument are a mere fraction, often trivial, of the overall testing costs.
For a broad range of automotive, medical, and other industrial & consumer products, leak testing requirements before products are released to the marketplace have not changed. What has changed in recent years is several new technologies - some related to data handling and the Industrial Internet of Things and others relating to test techniques - that now change the calculus of determining best-match solutions for leak testing.
Test Methods
InterTech provides a wide range of measurement technologies including:
- Pressure Decay
- Differential Pressure Decay
- Mass flow
- Helium
Customized Sensor Technology
InterTech patented mass flow sensors that are tuned to the very precise testing conditions required achieve both shorter cycles and higher accuracy. These updated sensors - unlike generic sensors - maintain high measurement accuracy across a wider range of air pressures and temperatures, ambient temperatures, and random, short-duration disturbances in measured airflow. InterTech mass flow technology is uniquely capable of being implemented in applications requiring micro-scale leak rate measurements.
Patented Innovations for Large Volume Part Testing
InterTech has developed patented and proprietary test technology that dramatically improve the speed and accuracy of leak testing large volume products. Two new approaches that speed test cycles target the stabilization phase of a test cycle - the slowest part of a leak test, even with mass flow methods. One newly patented test technique eliminates turbulence to help speed the stabilization phases of test cycles.
Another new approach to reducing stabilization times and variations is by extracting the warm unstable air from the test part and replacing it with stable air, at the correct test pressure, that is ready to be measured for the leak rate value.
Detail information on InterTech's test technologies and applications are described in adjacent pages.
FAQs
The most common industrial leak testing methods are pressure decay, differential pressure decay, mass flow, and helium testing. InterTech engineers each method to match the required sensitivity, part volume, and cycle-time needs of automotive, medical, and industrial products — using dry air wherever possible to avoid the added cost and complexity of tracer gases.
Pressure decay testing pressurizes a sealed part with air and measures the pressure drop over a set time to detect leaks. It's a fast, low-cost, dry-air method suited to a wide range of parts, and is one of InterTech's core test technologies.
Helium leak testing is typically reserved for applications requiring extremely high sensitivity or where dry-air methods can't achieve the needed resolution. InterTech primarily focuses on miscroscale mass flow technologies, since — for the large majority of production applications — they deliver equivalent reliability at a fraction of the operating cost of helium-based systems.
The purchase price of leak testing equipment is only a small fraction of its total cost of ownership. The real cost drivers are cycle time, retest on false rejectss, sensor accuracy, and fixture design — which is why evaluating total testing efficiency over the equipment's economic life matters more than up-front cost.
Consult Our Experts
Please contact InterTech for further information or help with your test application. We are happy to answer any questions you may have. Give us a call at 847-679-3377 or fill out the form and we'll be in touch as soon as possible.
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