Table of Contents

1 -  AS 3778.5.1-1991 MEASUREMENT OF WATER FLOW IN OPEN CHANNELS - DILUTION METHODS - CONSTANT-RATE INJECTION METHOD FOR THE...
4 -  PREFACE
6 -  1 SCOPE AND FIELD OF APPLICATION
6 -  2 REFERENCES
6 -  3 TERMINOLOGY
6 -  4 UNITS OF MEASUREMENT
6 -  5 PRINCIPLE OF THE CONSTANT-RATE INJEC-TION METHOD
7 -  5.1 Method of direct measurement of concentration
7 -  5.2 Method of comparative dilutions
7 -  6 REQUIREDCHARACTERISTICS OFINJECTED SOLUTIONS
7 -  7 CHOICE OF THE MEASURING-REACH
7 -  7.1 General considerations for selection of site
7 -  7.2 Preliminary tests
10 -  8 PROCEDURE
10 -  8.1 Preparation of the concentrated solution
10 -  8.2 Injection of the concentrated solution
13 -  8.3 Measurement of rate of injection
14 -  8.4 Sampling
14 -  9 PRINCIPAL CHEMICAL SUBSTANCES AND METHODS OF ANALYSIS IN PRESENT-DAY USE
14 -  9.1 Method of colorimetric analysis
15 -  9.2 Conductivity method
16 -  9.3 Method of volumetric chemical analysis
17 -  10 ERRORS IN FLOW MEASUREMENTS
18 -  ANNEX A - EXAMPLE OF THE CALCULATION OF FLOW RATE AND ESTIMATION OF TOLERANCES IN THE CASE OF VOLUMETRIC CHEMICAL ANALYSIS
18 -  A.1 MEASUREMENT OF INJECTION RATE
18 -  A.2 MEASUREMENTOF SAMPLE CONCENTRATIONS
18 -  A.3 MEASUREMENTOF STANDARD DILUTIONS
19 -  A.4 FLOW RATE AND TOLERANCE
20 -  ANNEX B - EXAMPLE OF THE CALCULATION OF FLOW RATE AND ESTIMATION OF TOLERANCES IN THE CASE OF CONDUCTIVIMETRIC ANALYSIS
20 -  B.1 MEASUREMENT OF THE CHANGE PRODUCED BY THE INJECTION
20 -  B.2 MEASUREMENTOF DILUTION STANDARDS
21 -  B.3 CALCULATION OF THE DILUTION RATIO
21 -  B.4 CALCULATION OF THE FLOW RATE

Abstract

Specifies methods for the measurement of water flow in channels under steady flow conditions by the dilution method using constant-rate injection. It is technically identical with and reproduced from ISO 555-1:1973.

General Product Information

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