Hydrogen gas as a vehicle fuel · 7.0 · 3.39. Hydrogen Gas-Measuring Devices

What is the acceptance tolerance (new or newly repaired device) for Hydrogen gas as a vehicle fuel · 7.0 · 3.39. Hydrogen Gas-Measuring Devices?

For Hydrogen gas as a vehicle fuel, accuracy class is 7.0; handbook 44 section is 3.39. Hydrogen Gas-Measuring Devices; acceptance tolerance (new or newly repaired device) is 5.0 %; maintenance tolerance (device already in service) is 7.0 %; edition is 2026, verified against its source on 2026-08-20.

7.0 Hydrogen gas as a vehicle fuel 5.0 % 7.0 %

— nist.gov, retrieved 2026-08-20