https://www.horiba.com/gbr/life-science/products/detail/action/show/Product/hydrogen-fuel-flow-meter-hyfq-2000-series-6039/
HORIBA HyFQ-2000 Series: Hydrogen Fuel Flow Meter - HORIBA
The HyFQ-2000 fuel flow meter precisely measures the hydrogen consumption of either H2 internal combustion engines or fuel cell vehicles up to 500 kW.
hydrogen fuelhoribaseriesflowmeter