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Who we are:
Passionate experts

Behind SEMEX-EngCon stands an experienced team of graduate and electrical engineers, computer scientists, and measurement technology professionals with in-depth expertise and a passion for precise vibration monitoring. Founded by Dr. Hans-Jürgen Nitzpon and Andreas Stiegler, our company combines decades of experience with fresh innovative drive. Our mission: to provide the best possible solutions for vibration measurement and seismic monitoring. We achieve this through state-of-the-art technologies, practical applications, and close collaboration with our customers.

Vibration measurement
"Made in Germany"

Since 2014, SEMEX-EngCon has stood for high-precision measurement technology that reliably records and evaluates shocks, vibrations, and oscillations. As specialists in vibration measurement and seismic monitoring, we develop innovative solutions "Made in Germany" that meet the highest technical standards and comply with DIN 4150 – providing engineers, consultants, construction companies, and infrastructure operators with a sound basis for decision-making.
SEMEX-EngCon GmbH is ISO 9001 certified and is headquartered in Ettlingen near Karlsruhe.

Competence & support on equal terms

Continuous exchange is essential for innovation and quality. That's why our customer service doesn't end with the purchase! Only through close dialogue with our users can we further improve our systems and guarantee the highest precision and reliability according to DIN 4150.

Our values:
• Customer focus:
We listen, understand our customers' needs, and develop tailored solutions for measuring vibrations.
• Flexibility:
No two projects are alike – that's why we adapt quickly and precisely to every challenge.
• Expertise:
With our innovative solutions, we offer technology that sets standards.
• Speed:
'Order today, delivered tomorrow' is not just a slogan, but our commitment.
• Partnership:
We cultivate personal communication on equal terms, because together we can achieve more.

These values ​​have made us a trusted partner when it comes to measuring vibrations and preventing building damage caused by vibrations.

SEMEX-EngCon celebrates
10 years of innovation

Starting with an idea on paper, we celebrated our tenth company anniversary in 2024.
SEMEX-EngCon has long since established itself as a key player in vibration technology.

10 Years of MENHIR Vibration Measurement - 10 Years of Company History SEMEX-EngCon in Timeline


We would therefore like to thank all our companions, valued customers and suppliers, and above all our employees and partners who made this success possible. We look back with pride, but above all, we look forward. Please take a seat and join us as we look back at our company history.

Highly motivated, we will continue to offer innovative solutions for your demanding applications. Feel free to stop by and stay informed.

An interview with the company founders Dr. Hans-Jürgen Nitzpon and Andreas Stiegler

Leading companies from a wide range of industries – including engineering firms, surveyors, and construction companies – successfully use our measurement technology, many of them for years.
Furthermore, we collaborate closely with renowned research institutions such as the Karlsruhe Institute of Technology (KIT). This enables us to integrate the latest scientific findings – for example, on artificial intelligence – into our products and drive innovation.
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SEMEX-EngCon GmbH

Carl-Metz-Strasse 26
D-76275 Ettlingen
+49 7243 5148254
TÜV-certified ISO 9001 certification seal – quality management standard for SEMEX-EngCon.
Semex-EngCon GmbH is certified according to DIN EN ISO 9001:2015