Metrology for Hydrogen Vehicles 3
(MetroHyVe 3)
Projects
Metrology for Hydrogen Vehicles 3 (MetroHyVe 3)
The number of hydrogen refuelling stations in the Netherlands and across Europe is increasing. Due to applications in heavy-duty transport, the intended refuelling speed (flow rate) is rising, and the delivered quantities are becoming larger. Quality remains crucial—especially for fuel cell vehicles—particularly now that hydrogen is being produced and transported in increasingly diverse ways. To ensure the success of hydrogen refuelling stations, it is also important to minimize downtime caused by calibrations and verifications.
This project therefore focuses on developing faster methods for hydrogen flow calibrations (using master meters), combining flow calibrations with sampling for quality measurements, creating test protocols for gas composition sensors, and investigating potential new impurities.

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Marcel Workamp
Principal Scientist Gas Flow
Our role
VSL is working on hydrogen flow calibration using master meters. The feasibility of using surrogate media for calibrating hydrogen flow meters will be investigated. In addition, VSL will acquire and validate a sampling system that is compatible with flow standards. The goal is to enable VSL to efficiently validate both quality and quantity measurements at hydrogen refuelling stations.
Although NPL formally coordinates the project, VSL will also take on part of the coordination. In this project, VSL collaborates with 22 sister/research institutes and industrial partners located across Europe.
Start Date: August 1, 2025
End Date: July 31, 2028
Read more about this project on the website van MetroHyVe3.
“The project has received funding from the European Partnership on Metrology, co-financed from the European Union’s Horizon Europe Research and Innovation Programme and by the Participating States.”
“This project is co-financed by the Dutch Ministry of Economic Affairs.”
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