14,000 G5 Modules in Use Worldwide: A Milestone for Precise Cell Voltage Monitoring

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Stack of G5 modules

With more than 14,000 G5 modules delivered worldwide to date, this milestone clearly demonstrates the importance of reliable cell voltage measurement technology for the development of modern fuel cells and electrolysers. For 30 years, SMART TESTSOLUTIONS has been supporting engineers and developers with measurement and simulation modules from the MCM IntelliProbe range, enabling them to better understand electrochemical systems, enhance their safety and accelerate time to market.
The CVM G5 was launched in 2019 and has remained a proven and popular solution ever since.

 

CVM G5: The Product Line for Research, Development and Validation

The CVM G5 measurement module is characterised by its distinctive mechanical design and highly capable measurement technology. Each module provides 10 measurement channels and is housed in a plastic enclosure that can be easily connected to additional measurement modules. This “Lego-style” concept allows the number of channels to be scaled up easily to as many as 600 channels.

Especially in early-stage research and validation projects, the modular architecture demonstrates its strengths: flexibility, suitability even for small channel counts, rapid availability, and a design tailored to frequently changing conditions in laboratories, test benches and prototype environments.

Its robust construction, high measurement accuracy and scalability in terms of channel count and system configuration make the G5 a preferred solution for cell voltage measurement in R&D applications – wherever new stack designs are developed, materials are evaluated or test cycles are iteratively refined. In individual cases, it is also used in series products.

 

CVM G6S single-board solution
CVM G6S single-board solution.
Bild: SMART TESTSOLUTIONS / Emanuel Zifreund

CVM‑G6: The Product Line for Series Production

Alongside the G5, a second product line for cell voltage measurement has now become firmly established: the CVM G6, optimised for use in series production applications.

While the G5 offers maximum flexibility, the G6 modules are designed for robustness and efficiency in continuous operation – in environments dominated by high volumes, standardised processes and industrial requirements. As the G6 is now available both as a single-board design and as a modular multi-board architecture, we offer it in two variants: G6S (Single) and G6M (Modular).

Reduced complexity and improved cost efficiency make the G6 the ideal solution for manufacturers of fuel cells or electrolysers who wish to integrate cell voltage monitoring directly into their series products.

Taken together, this portfolio forms a seamless measurement technology platform – from laboratory test benches through to industrialised products.

 

14,000 G5 Modules in the Field – and Development Continues

In addition to cell voltage measurement modules, the MCM IntelliProbe portfolio today includes further I/O modules optimised for use with electrochemical cells. Examples include the CVSim cell voltage simulation module and the MCM IntelliProbe U02AC voltage measurement module, which can be used, for instance, as an intelligent probe head in systems for electrochemical impedance spectroscopy (EIS).

 

Outlook: A Year Full of Topics – and an Anniversary on the Horizon

2026 will be a special year for SMART TESTSOLUTIONS. While we continue to work with our customers on new projects involving CVM solutions, electrolyser sensor technology and test systems, another milestone is approaching: the 30th anniversary of our CVM technology. This anniversary will accompany us throughout the year and will be highlighted at appropriate moments.

 

Interested in Our CVM Solutions?

If you would like to learn more about our CVM product lines, specific application scenarios or customised system configurations, Davide De Giorgi (email: davide.degiorgi@smart-ts.de) looks forward to hearing from you.
He will be happy to advise you personally on measurement and simulation technology for fuel cells and electrolysers.

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