Skip to content
Please enter a keyword to search
  • Preview

    AS 3778.3.1-2001

    Current The latest, up-to-date edition.

    Measurement of water flow in open channels Velocity-area methods - Measurement by current-meters and floats

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English

    Published date:  13-03-2001

    Publisher:  Standards Australia

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    1 Scope2 Normative reference3 Definitions4 Principle of the methods of measurements5 Selection and demarcation of site6 Measurement of cross-sectional area7 Measurement of velocity8 Computation of discharge9 Uncertainties in flow measurementAnnexesA - Correction for sag, pull, slope and temperature in measurement of cross-section width by tape or wireB - Measurement across the cross-sectionC - Corrections for wetted length of wire when measuring depths with wire not normal to surfaceD - Correction for driftE - Uncertainty of a velocity-area measurementF - Determination of mean velocity from float measurementsG - Bibliography

    Abstract - (Show below) - (Hide below)

    This Standard is identical to and has been reproduced from ISO 748:1997.

    General Product Information - (Show below) - (Hide below)

    Committee CE-024
    Document Type Standard
    Publisher Standards Australia
    Status Current
    Supersedes

    History - (Show below) - (Hide below)

    First published as AS 3778.3.1-1990.Second edition 2001. First published as AS 3778.3.1-1990. Second edition 2001.

    Standards Referenced By This Book - (Show below) - (Hide below)

    AS 3778.2.3-2001 Measurement of water flow in open channels General - Determination of the stage-discharge relationship
    AS 3778.2.4-2007 Measurement of water flow in open channels General - Estimation of uncertainty of a flow rate measurement (Reconfirmed 2022)
    AS 1000-1979 The International System of Units (SI) and its application
    AS 3778.1-2001 Measurement of water flow in open channels Vocabulary and symbols
    AS 3778.2.2-2001 Measurement of water flow in open channels General - Establishment and operation of a gauging station

    Standards Referencing This Book - (Show below) - (Hide below)

    AS 3778.3.2-1990 Measurement of water flow in open channels Velocity-area methods - Measurement by moving-boat method (Reconfirmed 2022)
    AS 3778.4.5-1991 Measurement of water flow in open channels Part 4: Measurement using flow gauging structures Triangular profile weirs
    AS 3778.3.3-2001 Measurement of water flow in open channels Velocity-area methods - Measurement by slope-area method
    AS 3778.6.1-1992 Measurement of water flow in open channels Measuring devices, instruments and equipment - Rotating element current-meters
    AS 3778.3.4-1990 Measurement of water flow in open channels Part 3: Velocity-area methods Collection and processing of data for determination of errors in measurement
    AS 3778.7-2008 Measurement of water flow in open channels Determination of volume of water and water level in lakes and reservoirs
    AS 3778.3.5-1990 Measurement of water flow in open channels Velocity-area methods - Investigation of total error
    AS 3778.6.2-1992 Measurement of water flow in open channels Measuring devices, instruments and equipment - Direct depth sounding and suspension equipment
    AS 3778.2.3-2001 Measurement of water flow in open channels General - Determination of the stage-discharge relationship
    AS 4747.3-2013 Meters for non-urban water supply Technical requirements for open channel meters
    AS 3778.4.2-1991 Measurement of water flow in open channels Part 4: Measurement using flow gauging structures Rectangular broad-crested weirs
    AS 3778.2.2-2001 Measurement of water flow in open channels General - Establishment and operation of a gauging station
    AS 3778.6.6-2008 Liquid flow measurement in open channels Measuring devices, instruments and equipment - Cableway systems for stream gauging
    AS 3778.3.6-2001 Measurement of water flow in open channels Velocity-area methods - Measurement of flow in tidal channels
    ATS 4747.3-2008 Meters for non-urban water supply - Specifications for open channel meters
    AS 3778.4.7-1991 Measurement of water flow in open channels Measurement using flow gauging structures - Rectangular, trapezoidal and U-shaped flumes (Reconfirmed 2009)
    View more information

    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective