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AS 3778.6.4-1992

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AS 3778.6.4-1992

Measurement of water flow in open channels Measuring devices, instruments and equipment - Echo sounders for water depth measurements

Standards Australia

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Table of Contents

1 -  AS 3778.6.4-1992 MEASUREMENT OF WATER FLOW IN OPEN CHANNELS - MEASURING DEVICES, INSTRUMENTS AND EQUIPMENT-ECHO SOUNDERS...
4 -  PREFACE
 5 -  CONTENTS
 6 -  1 Scope and field of application
 6 -  2 Reference
 6 -  3 Definitions
 6 -  4 Units of measurement
 6 -  5 General
 6 -  6 Principle
6 -  6.1 General
 6 -  6.2 Non-recording echo sounders
 7 -  6.3 Analogue recording echo sounders
 7 -  6.4 Digital echo sounders
 7 -  7 Selection of instrument
7 -  7.1 Effects of operating frequency
 7 -  7.2 Effect of beam width
 7 -  7.3 Type of data display
7 -  7.3.1 Non-recording echo sounders
 7 -  7.3.2 Analogue recording echo sounders
 7 -  7.3.3 Digital echo sounders
 8 -  7.4 Accuracy
 8 -  8 Instruments performance criteria
8 -  8.1 Information to be specified by the user
 8 -  8.2 Information to be specified by the manufacturer
 8 -  8.3 Housing
 8 -  8.4 Additional features
8 -  8.4.1 Non-recording instruments
 8 -  8.4.2 Recording instruments
 9 -  8.4.3 Digital instruments
 9 -  9 Use of echo sounders
9 -  9.1 Calibration
 9 -  9.2 Interpretation of data
 9 -  9.3 Precautions
 9 -  10 Operational manual
 10 -  Annex - Characteristics of sound in water
10 -  A.1 Velocity of sound in water
 10 -  A.2 Transmission of sound in water
 11 -  A.3 Reverberation
 11 -  A.4 Reflection coefficient of the bed

Abstract

Provides information concerning the principle of operation, performance and selection criteria for echo sounders used in depth measurements for open channel flow (and related) measurements. The use of standard terminology is promoted. Information on the characteristics of sound in water is provided in an annex. It is identical with and has been reproduced from ISO 4366:1979.

Scope

This International Standard provides information concerning the principle of operation, performance and selection criteria for echo sounders used in depth measurements for open channel flow (and related) measurements. The use of standard terminology is promoted. Information on the characteristics of sound in water is provided in annex.

General Product Information

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