Sensirion’s SGM64xx is the first gas metering module on the market able to measure any gas mix-tures, including pure hydrogen, blends of hydrogen, biomethane and natural gas types H, L, and E. Therefore, no meter replacement nor any firmware update will be required for meters that feature the SGM64xx product line when natural gas is gradually or fully substituted with hydrogen. Since replacing even a small fraction of meters currently in use is significantly more expensive than installing multi...