A milestone for hydrogen metrology | PTB News

The cryogenic flow rate test rig provided by the Karlsruhe Institute of Technology (KIT) when operating with liquid nitrogen at PTB

In cooperation with European metrology institutes and partner companies from industry, PTB has laid the foundations for a reliable infrastructure for the volume measurement of liquid and gaseous hydrogen. For the first time, a traceability chain for calibrating flowmeters has been realized in this field.

Source: A milestone for hydrogen metrology