NA 119
DIN Standards Committee Water Practice
Technical rule
[CURRENT]
OIML R 49-1
OIML R 49-1
Water meters for cold potable water and hot water - Part 1: Metrological and technical requirements
Title (German)
Wasserzähler zum Messen von kaltem Trinkwasser und heißem Wasser - Teil 1: Metrologische und technische Anforderungen