Category: News

Tips & Trends for 2025: Inhouse pretesting for OEMs

In-house pretesting is a wise investment that saves time and money. In a series of five posts, our specialists share trends and developments for 2025. This week, Technical Consultant Uliana Trucchi will discuss the future of in-house pretesting for OEMs. Uliana: “More and more products contain electronics that require testing. Many OEMs use test houses […]

Stripping and upgrading a chamber in two days

Upgrading a chamber with a minimum of downtime. How do we do that? In the middle of the photo is Edwin van der Ploeg, our international Service Engineer and supervisor of the chamber upgrade he is standing in.

The Comtest Growth-Coaching Competition

Enter our Growth-Coaching Competition and have a chance to win incredible prizes! Within the Comtest family, we focus on listening more than talking for personal growth, but speaking is much more effective than listening when growing flowers.

Upgrading an EMC chamber with new absorbers on old tiles

Can you upgrade an EMC chamber and keep the old, glued ferrite tiles? “It’s possible”, says Uliana Trucchi, one of our technical consultants. “Say you want to replace your old absorbers because you need to meet performances over 1GHz, and you wish to keep the ferrite tiles because they are glued to the chamber’s walls and ceiling. That is exactly what the people from Nemko in Germany asked us for the chamber upgrade in the photo.”

The number of stirrer positions vs power

Testing time is valuable, so this post provides tips on optimising the number of stirrer positions in your reverberation chamber to fit your budget and test requirements. “There is a delicate balance between the number of stirrer positions and the amplifier power for a given reverberation chamber,” explains our R&D Consultant, Dimitrios Barakos. By collaborating with EMC test solution provider Rohde & Schwarz, we aim to find the most efficient solution for our clients. “

CISPR25 Edition 5 & partial absorber lining

What are the design criteria for CISPR25 towards absorber lining as per the latest standard version? CISPR 25 was initially published in 1995. The 5th edition, published in 2021, significantly expanded the category of receivers by including new technologies such as Wi-Fi, V2X, navigation, and more.

Dust-free absorbers on the AMTA 2024 in Cincinnati

No more dirty chambers! Our mission to create cleaner work environments brought us to Cincinnati’s AMTA 2024 Exhibition. In the photo in the middle, Vincent van de Vrie, the latest addition to our international technical consultancy team, is shown. He said he learned a lot from the many visitors to the three-day event.

When is it time to acquire a FAC instead of a SAC?

Emitech Logo

When is it time to acquire a full anechoic chamber (FAC) instead of a semi-anechoic chamber (SAC)? After delivering 21 chambers and upgrades for the leading French test house, Groupe Emitech, we approached their Group Director of Purchasing and former Deputy Technical Director, Julien Joly, with this question.

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Privacy Policy © Comtest 2025

COMTEST ENGINEERING BV 

Hoge Rijndijk 205 | 2382 AL Zoeterwoude | The Netherlands | +31 71 541 7531 | Send us an email

Privacy Policy © Comtest Engineering 2025

Our services include maintenance and validated testing. We recommend that both are executed by authorized personnel only. Our expert teams can perform preventive maintenance on RF-shielded doors, mode-stirrer systems, and positioning equipment such as turntables. We also offer validation services to see if your EMC test chamber or RF-shielded room still functions within its intended limits and avoiding unexpected down-time or product recalls at the same time.

Our services include maintenance and validated testing. We recommend that both are executed by authorized personnel only. Our expert teams can perform preventive maintenance on RF-shielded doors, mode-stirrer systems, and positioning equipment such as turntables. We also offer validation services to see if your EMC test chamber or RF-shielded room still functions within its intended limits and avoiding unexpected down-time or product recalls at the same time.

A shielded room can perform conducted emission and immunity EMC measurements, eliminating harmful external influences, leading to more accurate and consistent test results. Being a Faraday cage, a shielded room will not only improve test results but will also form an excellent aid in protecting information and essential hardware. Comtest can assist governments, the military, financial institutions, and large corporations in protecting what matters most in critical situations. We offer the highest quality, sensitivity, and security before, during and after working with you.

A shielded room can perform conducted emission and immunity EMC measurements, eliminating harmful external influences, leading to more accurate and consistent test results. Being a Faraday cage, a shielded room will not only improve test results but will also form an excellent aid in protecting information and essential hardware. Comtest can assist governments, the military, financial institutions, and large corporations in protecting what matters most in critical situations. We offer the highest quality, sensitivity, and security before, during and after working with you.

Comtest has been building high-quality antenna test ranges for more than 20 years. We are dedicated to putting our experience to work for you, turning any problem you might have into a customized test solution. As for researching and developing your products, we know speed and return on investment are very important. That’s why we ensure your project is delivered on schedule, on budget and exactly as ordered.

Comtest has been building high-quality antenna test ranges for more than 20 years. We are dedicated to putting our experience to work for you, turning any problem you might have into a customized test solution. As for researching and developing your products, we know speed and return on investment are very important. That’s why we ensure your project is delivered on schedule, on budget and exactly as ordered.

Comtest offers semi and full anechoic chambers that shield almost 100% of ambient emissions and reflect minimal internal radiation. We deliver or build your custom test chamber at your location, depending on what size chamber you need. If you tell us your challenges, we’ll offer a tailored turnkey solution from design to installation, including upgrades and yearly certifications.

We are committed to helping you achieve the best EMC testing possible. 

Comtest offers semi and full anechoic chambers that shield almost 100% of ambient emissions and reflect minimal internal radiation. We deliver or build your custom test chamber at your location, depending on what size chamber you need. If you tell us your challenges, we’ll offer a tailored turnkey solution from design to installation, including upgrades and yearly certifications.

We are committed to helping you achieve the best EMC testing possible.Â