OIML Recommendation R 139-1:2018 High Priority
Compressed gaseous fuel measuring systems for vehicles
Scope: The measuring systems that are covered by this Recommendation are intended for the fueling of road vehicles, rail engines, boats, vessels, and aircrafts with compressed natural gas (CNG), compressed gaseous hydrogen, biogas, gas blends or other compressed gaseous fuels.
Title: Part 1 - Metrological and technical requirements
Part of: R 139:2022
Status: Current
Language: English
Developed by: TC8/SC7
Quantity: Mass
Measuring Instrument: Compressed gaseous fuel measurement system