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ISO 4377

Hydrometric determinations - Flow measurement in open channels using structures - Flat-V weirs

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Organization: ISO
Publication Date: 1 August 2012
Status: active
Page Count: 66
ICS Code (Flow in open channels): 17.120.20
scope:

This International Standard describes the methods of measurement of flow in rivers and artificial channels under steady or slowly varying conditions using flat-V weirs (see Figure 1).

Annex A gives guidance on acceptable velocity distribution.

Document History

ISO 4377
August 1, 2012
Hydrometric determinations - Flow measurement in open channels using structures - Flat-V weirs
This International Standard describes the methods of measurement of flow in rivers and artificial channels under steady or slowly varying conditions using flat-V weirs (see Figure 1). Annex A gives...
ISO 4377
October 1, 2002
Hydrometric Determinations - Flow Measurement in Open Channels Using Structures - Flat-V Weirs
A description is not available for this item.
ISO 4377
January 1, 1990
Liquid Flow Measurement in Open Channels - Flat-V Weirs
A description is not available for this item.

References

This document references:
ISO 26906 - Hydrometry - Fishpasses at flow measurement structures
Published by ISO on October 15, 2015
This International Standard specifies requirements for the integration of fishpasses with flow measurement structures. It identifies those fishpasses which have satisfactory hydrometric calibration...
This document references:
ISO 1100-2 - Hydrometry - Measurement of liquid flow in open channels - Part 2: Determination of the stage-discharge relationship
Published by ISO on December 1, 2010
This part of ISO 1100 specifies methods of determining the stage-discharge relationship for a gauging station. A sufficient number of discharge measurements, complete with corresponding stage...
This document references:
ISO 26906 - Hydrometry - Fishpasses at flow measurement structures
Published by ISO on October 15, 2015
This International Standard specifies requirements for the integration of fishpasses with flow measurement structures. It identifies those fishpasses which have satisfactory hydrometric calibration...
This document references:
4373 - Hydrometry — Water level measuring devices
Published by ISO on March 1, 2022
This document specifies the functional requirements of instrumentation for measuring the level of water surface (stage), primarily for the purpose of determining flow rates. This document is...
This document references:
ISO 772 - Hydrometry - Vocabulary and symbols
Published by ISO on August 1, 2011
This International Standard gives terms, definitions and symbols used in standards in the field of hydrometry.
This document references:
ISO DIS 1100-1 - Hydrometry — Measurement of liquid flow in open channels — Part 1: Guidelines for selection, establishment and operation of a gauging station
Published by ISO on November 3, 2011
A description is not available for this item.
This document is referenced by:
BS ISO 26906 - Hydrometry - Fishpasses at flow measurement structures
Published by BSI on November 30, 2015
A description is not available for this item.
This document is referenced by:
CEI UNI EN ISO 18365 - Hydrometry - Selection, establishment and operation of a gauging station
Published by CEI on March 1, 2014
This International Standard gives requirements for the establishment and operation of a gauging station for the measurement of stage,or stage and discharge,of a lake, reservoir,river or canal or...
This document is referenced by:
BS ISO 9825 - Hydrometry - Field measurement of discharge in large rivers and rivers in flood
Published by BSI on October 3, 2005
A description is not available for this item.
This document is referenced by:
DIN EN ISO 18365 - Hydrometry - Selection, establishment and operation of a gauging station (ISO 18365:2013)
Published by DIN on April 1, 2014
This International Standard gives requirements for the establishment and operation of a gauging station for the measurement of stage, or stage and discharge, of a lake, reservoir, river or canal or...
This document is referenced by:
SN EN ISO 18365 - Hydrometry - Selection, establishment and operation of a gauging station
Published by SNV on April 1, 2014
This International Standard gives requirements for the establishment and operation of a gauging station for the measurement of stage, or stage and discharge, of a lake, reservoir, river or canal or...
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