Jacques Hoffmann

Metrologist

Jacques Hoffmann is founder and president of InterTech Development Co., a world leader in test-centric assembly specializing in automated leak and functional testing with mass flow, hydraulic, helium, or pressure decay technology (ISO-17025 accredited). InterTech Development Co.-engineered solutions are used by hundreds of quality management, product design teams, and manufacturers worldwide and the company’s worldwide support organization maintains offices in North America, Asia, and Europe.

Tue, 02/15/2011 - 04:30
Leak Testing 101—Part 4 Helium leak detection methods for stringent leak-testing applications
Tue, 02/15/2011 - 04:30
In parts one, two, and three of this “Leak Testing 101” series, we discussed three methods of dry-air leak testing—pressure decay, differential pressure decay, and mass-flow leak testing—including the pitfalls and hidden costs inherent in two-step…
Leak Testing 101—Part 3 Testing topics
Thu, 01/13/2011 - 04:30
In parts one and two of this ongoing primer on leak testing, we discussed pressure-decay testing and differential pressure-decay testing, respectively. Although those leak-testing methods remain the most widely used, it is often because they are…
Leak Testing 101—Part 2 Differential pressure-decay leak testing
Tue, 08/10/2010 - 05:30
In part one of this series, we considered the pros and cons of pressure-decay testing. In part two, we’ll take a close look at a leak-testing method called “differential pressure decay.” This method is similar to simple pressure-decay testing…
Leak Testing 101—Part 1 What every quality engineer needs to know

Thu, 05/20/2010 - 06:00
Not too long ago, when you wanted a product to be leak-proof, you simply put it under water, made sure it didn’t bubble, and thereby concluded there were no leaks. Such “bubble testing” takes time and depends on the operator’s ability, making it…