This standard applies to river hydrometric meters used to measure the average speed during the holding time in
GOST 15126-1980 Referenced Document
GOST 15150-1969 Machines, instruments and other industrial products. Modifications for different climatic regions. Categories, operating, storage and transportation conditions as to environment climatic aspects influence
GOST 8.401-1980 State system for ensuring the uniformity of measurements. Accuracy classes of measuring instruments. General requirements
GOST 15126-1980 history
1980GOST 15126-1980 Water flow rate measuring instruments. Fluvial hydrometric curremt meters. General technical requirements