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

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-08-2012

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Characteristics of flat-V weirs
6 Installation
7 Maintenance
8 Measurement of head(s)
9 Discharge relationships
10 Computation of discharge
11 Uncertainties in flow determination
12 Examples
Annex A (normative) - Velocity distribution
Annex B (informative) - Introduction to measurement
uncertainty
Annex C (informative) - Performance guide for hydrometric
equipment for use in technical standards
Bibliography

Specifies the methods of measurement of flow in rivers and artificial channels under steady or slowly varying conditions using 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 Figure1).

AnnexA gives guidance on acceptable velocity distribution.

Committee	CPI/113
DevelopmentNote	Supersedes BS 3680-4G(1999) (11/2002) Supersedes 11/30215957 DC. (08/2012)
DocumentType	Standard
Pages	70
PublisherName	British Standards Institution
Status	Current
Supersedes	11/30215957 DC : 0 BS 3680-4G:1999 BS ISO 4377:2002

Standards	Relationship
ISO 4377:2012	Identical

ISO/IEC 17025:2005	General requirements for the competence of testing and calibration laboratories
ISO 1100-2:2010	Hydrometry Measurement of liquid flow in open channels Part 2: Determination of the stage-discharge relationship
ISO 4373:2008	Hydrometry Water level measuring devices
ISO 26906:2015	Hydrometry Fishpasses at flow measurement structures
ISO/TS 25377:2007	Hydrometric uncertainty guidance (HUG)
ISO 772:1996	Hydrometric determinations — Vocabulary and symbols
ISO/IEC Guide 98-3:2008	Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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BS ISO 4377:2012

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

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory