Who we are


FES Sensor Technology GmbH is a specialized technology company based in Krefeld, Germany, focused on the development and production of high-quality hydrogen sensors. Since our founding in 2016 by Prof. Dr. Klaus Schierbaum, who brings over 40 years of experience in sensor research and development, we’ve been committed to enabling safe and efficient hydrogen applications through innovative sensing technologies.

We develop and manufacture our sensors on a small scale, allowing for precision, flexibility, and cost-efficiency. Whether it's a standard sensor or a customized solution tailored to specific customer needs, our products are always engineered with care, expertise, and a deep understanding of the science behind them.

Who we are


FES Sensor Technology GmbH is a specialized technology company based in Krefeld, Germany, focused on the development and production of high-quality hydrogen sensors. Since our founding in 2016 by Prof. Dr. Klaus Schierbaum, who brings over 40 years of experience in sensor research and development, we’ve been committed to enabling safe and efficient hydrogen applications through innovative sensing technologies.

We develop and manufacture our sensors on a small scale, allowing for precision, flexibility, and cost-efficiency. Whether it's a standard sensor or a customized solution tailored to specific customer needs, our products are always engineered with care, expertise, and a deep understanding of the science behind them.

Our mission


We aim to be a key contributor in the transition to a green hydrogen economy. Our sensors help make hydrogen handling safer and more reliable – essential for advancing sustainable energy systems. As a small and agile company, we combine cutting-edge technology with personalized service and affordable pricing, without compromising on quality.

Our mission


We aim to be a key contributor in the transition to a green hydrogen economy. Our sensors help make hydrogen handling safer and more reliable – essential for advancing sustainable energy systems. As a small and agile company, we combine cutting-edge technology with personalized service and affordable pricing, without compromising on quality.

Our expertise


Over four decades of academic and industrial experience in sensor technology


Tailored sensor solutions for unique customer requirements


In-house production and quality control


Strong foundation in applied research and practical implementation


Our expertise


  • Over four decades of academic and industrial experience in sensor technology
  • Tailored sensor solutions for unique customer requirements
  • In-house production and quality control
  • Strong foundation in applied research and practical implementation


Trusted partnerships


Since 2020  we have been working closely with Tesla Blatná a.s., our trusted manufacturing partner for sensor elements. Their precision manufacturing and long-standing expertise ensure that every sensor component we use meets the highest standards of quality and reliability.


Since 2021, we have partnered with ALDERS electronic GmbH, extending our network and capabilities to better serve customers across Europe and beyond. Together, we ensure fast, reliable delivery and support for every application.

Why choose FES?


  • Deep technical expertise rooted in decades of research
  • Customized sensor development for your specific applications
  • Close customer collaboration and personal support
  • A shared vision for a clean, hydrogen-powered future


Trusted partnerships


Since 2020,  we’ve been working closely with Tesla Blatná a.s., our trusted manufacturing partner for sensor elements. Their precision manufacturing and long-standing expertise ensure that every sensor component we use meets the highest standards of quality and reliability.


Since 2021, we’ve partnered with ALDERS electronic GmbH, extending our network and capabilities to better serve customers across Europe and beyond. Together, we ensure fast, reliable delivery and support for every application.

Why choose FES?


Deep technical expertise rooted in decades of research


Customized sensor development for your specific applications


Close customer collaboration and personal support


A shared vision for a clean, hydrogen-powered future


Let's build the future together


At FES Sensor Technology, we are excited to help shape the energy systems of tomorrow.


Reach out to us for tailored hydrogen sensing solutions -

we're ready to support your innovation