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:
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Test benches and mixing systems for gases, liquids and vapors
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Process- and application-specific plant planning
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Design, software and control solutions
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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:
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Precise mass flow measurement and flow control for gases, liquids and vapors
- Consulting, sales and technical service for measuring and control devices
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Calibration services according to DAkkS/ISO 17025
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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:
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Test benches and test systems for electrolyzers, fuel cells and components
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Modular, flexible systems for safety and performance testing
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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
1964
1981
Exclusive partnership with Bronkhorst High-Tech BV
1987
Founding of Wagner Mess- und Regeltechnik GmbH
2002
Certification according to DIN EN ISO 9001:2000
2010
Construction and occupancy of the new company building in the
Otto-Scheugenpflug-Straße, Offenbach
2011
Flusys GmbH was founded from the system construction division of
Wagner Measurement and Control Technology GmbH
2013
Commissioning of the calibration system for process gases such as H2, CH4, He, etc.
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
2020
Purchase and renovation of the second location in Offenbach am Main
2021
DAkkS accreditation of our calibration laboratory according to DIN ISO/IEC 17025 for gas flow velocity
2023
Founding of H2SYS GmbH
2024
Company anniversary: 60 years of Wagner Mess- und Regeltechnik GmbH














