Reference number
ISO 3455:2021
© ISO 2025
International Standard
ISO 3455:2021
Hydrometry — Calibration of current-meters in straight open tanks
Edition 3
2021-01
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Published (Edition 3, 2021)

ISO 3455:2021

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Format
CHF 98
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Abstract

This document specifies a calibration method for mechanical type, electromagnetic type and acoustic type hydrometric current-meters used for point velocity measurement of flowing water. The method requires towing the instrument through still water in a straight open tank. It includes measuring apparatus, the calibration procedure, the method of presenting the results and the uncertainties associated with the method.

General information

  • Status
     : Published
    Publication date
     : 2021-01
    Stage
    : International Standard published [60.60]
  • Edition
     : 3
    Number of pages
     : 13
  • Technical Committee :
    ISO/TC 113/SC 5
    ICS :
    17.120.20 
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