OIML Recommendation R 44:1985

Alcoholometers and alcohol hydrometers and thermometers for use in alcoholometry

Scope: This Recommendation applies to alcoholometers and alcohol hydrometers used for the determination of the alcoholic strength of mixtures of water and ethanol, and to thermometers for use in alcoholometry.  It sets out technical and metrological specifications for these instruments, in accordance with International Recommendation No. 22 "International Alcoholometric Tables".