The Wagner Mess- und Regeltechnik GmbH, FLUSYS GmbH and H2SYS GmbH group of companies combines decades of experience in measurement, control and system technology with innovation in hydrogen and test bench construction. As a core competence team, we cover the entire value chain – from precise physical measurement technology to individual system solutions and modern testing and inspection facilities for the energy technologies of tomorrow.

We specialize in the precise measurement, control and dosing of gases, liquids and vapors , the development of complex systems and customized solutions, and the construction of secure testing and inspection infrastructures for innovative industries. The legally independent companies work closely together to realize customer-specific projects from technical conception to complete implementation from a single source.

Flusys GmbH

Flusys GmbH develops and manufactures customized fluid and testing systems for industrial applications. Our range of services includes:

  • Test benches and mixing systems for gases, liquids and vapors

  • Process- and application-specific plant planning

  • Design, software and control solutions

  • Documentation, installation and safety technology

We implement complex system solutions – from simple assembly to complete automation and testing concepts – ensuring safe, efficient, and documented processes. FLUSYS systems are used in research and industry, for example, in testing fuel cells, electrolysis cells and stacks, gas dosing systems, and evaporation systems.

Wagner Measurement and Control Technology GmbH

Wagner Mess- und Regeltechnik GmbH is a leading German company in measurement and control technology with over 60 years of experience. We offer:

  • Precise mass flow measurement and flow control for gases, liquids and vapors

  • Consulting, sales and technical service for measuring and control devices
  • Calibration services according to DAkkS/ISO 17025

  • Complete solutions from individual devices to complex systems

Our products and services support customers in research, industry, and technical applications, including semiconductors, medical technology, chemicals, and plant engineering. As a partner of renowned manufacturers and service providers, we deliver reliable technology and dependable support – from calibration services to commissioning.

H2SYS GmbH

H2SYS GmbH develops and sells innovative testing and inspection systems for the global hydrogen and energy technology market. The focus is on:

  • Test benches and test systems for electrolyzers, fuel cells and components

  • Modular, flexible systems for safety and performance testing

  • Solutions for integration into research, production and quality assurance

With technology and expertise in the field of hydrogen fuel cells, H2SYS contributes to advancing the introduction of cleaner, safer and more efficient energy systems.

Company history

Over the years

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1964
Establishment of the engineering firm Philipp Wagner
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1981

Exclusive partnership with Bronkhorst High-Tech BV

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1987

Founding of Wagner Mess- und Regeltechnik GmbH

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2002

Certification according to DIN EN ISO 9001:2000

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2010

Construction and occupancy of the new company building in the
Otto-Scheugenpflug-Straße, Offenbach

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2011

Flusys GmbH was founded from the system construction division of
Wagner Measurement and Control Technology GmbH

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2013

Commissioning of the calibration system for process gases such as H2, CH4, He, etc.

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2014

Founder Philipp Wagner is retiring at the age of 92. Long-time managing director Carsten Neutzer is taking over all company shares.

DAkkS accreditation of our calibration laboratory according to DIN ISO/IEC 17025 for the flow of gas including hydrogen

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2020

Purchase and renovation of the second location in Offenbach am Main

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2021

DAkkS accreditation of our calibration laboratory according to DIN ISO/IEC 17025 for gas flow velocity

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2023

Founding of H2SYS GmbH

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2024

Company anniversary: ​​60 years of Wagner Mess- und Regeltechnik GmbH