Archigas Makes Hydrogen a Measurable Quantity

By February 22, 2023 3   min read  (458 words)

February 22, 2023 |

Fuel Cells Works, UK Environment Agency Publishes Guidance on Production of ‘blue’ Hydrogen

Frankfurt: In order to enable large-scale, effective and safe use  of hydrogen as the energy source of the future, not only is quantitively and qualitatively  suitable H2 production required, but also reliable monitoring of the process during  combustion.

Fuel Cells Works, Archigas Makes Hydrogen a Measurable QuantityOnly then will a hydrogen-based energy revolution actually be possible. But to  achieve this, gas measurement systems using highly stable, sensitive and, due to the large  quantities necessary, economical sensors are urgently required. Archigas has now  developed solutions that precisely fulfil these requirements.

This measuring technology’s specific properties are consistently orientated towards the specific requirements of the hydrogen industry, with its especially high standards regarding H2 analysis. Due to hydrogen’s significantly higher thermal conductivity compared with that of other gases, the developers deploy so-called TCD sensors they have manufactured themselves, and which are based on the thermal conductivity measurement principle. This enables the H2 concentration in gas mixtures to be determined extremely precisely. But that’s not all: Archigas has even succeeded in developing solutions for differentiating between hydrogen and helium, which is by nature a difficult task, due to their similar thermal conductivity. As well as outstanding stability and precision, the sensors are characterised by the fact that MEMS technology (microelectromechanical systems) is intelligently used in their production – in other words, proven semiconductor technology based on silicone wafers. In turn, this permits  economical mass production of sensors that are absolutely identical, without the need for  complex calibration.

With the aid of these unique sensor solutions, gas measurement equipment is designed and  produced for the following applications:

  • Hydrogen production using electrolysis, admixture of hydrogen to natural gas (H2 in CH4)
  • Monitoring hydrogen’s upper and lower explosion limits, including in fuel cell exhaust gases (LEL and LEL for H2 in O2/air)
  • Input quality control and process gas monitoring, for monitoring gas purity (eg hydrogen 5.0)
  • Control and monitoring of gas mixtures for the food industry, welding technology and medical technology (eg CO2 in Ar, O2 in N2, N2O in air)

Fuel Cells Works, Archigas Makes Hydrogen a Measurable QuantityThe devices’ easy handling enables quick, trouble-free implementation of the TCD OEM modules into customer equipment  such as gas chromatographs, synthesis gas  plants and many others. Beyond the  classic TCD solutions, the business also has  concepts for mass flow measurement that is independent of the gas type, and therefore unique worldwide, along with systems for industrial vacuum and temperature measurement. 

Read the most up to date Fuel Cell and Hydrogen Industry news at FuelCellsWorks

With immediate effect, Archigas GmbH, with its administrative headquarters in Frankfurt and  new laboratory and production site in nearby Rüsselsheim, offers its innovative H2 measurement technology, developed fully to market maturity, in different variants. Further  information about the company and its pioneering sensor solutions can be found online at  


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