Measurement of liquid flow in open channels under tidal conditions — Amendment 1

Mesure de débit des liquides dans les canaux découverts dans des conditions de marée — Amendement 1

General Information

Status
Withdrawn
Publication Date
02-Dec-2003
Withdrawal Date
02-Dec-2003
Current Stage
9599 - Withdrawal of International Standard
Start Date
18-Nov-2010
Completion Date
18-Nov-2010
Ref Project

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ISO 2425:1999/Amd 1:2003
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INTERNATIONAL ISO
STANDARD 2425
Second edition
1999-04-15
AMENDMENT 1
2003-12-01
Measurement of liquid flow in open
channels under tidal conditions
AMENDMENT 1
Mesure de débit des liquides dans les canaux découverts dans des
conditions de marée
AMENDEMENT 1
Reference number
ISO 2425:1999/Amd.1:2003(E)
ISO 2003
---------------------- Page: 1 ----------------------
ISO 2425:1999/Amd.1:2003(E)
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ii © ISO 2003 — All rights reserved
---------------------- Page: 2 ----------------------
ISO 2425:1999/Amd.1:2003(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies

(ISO member bodies). The work of preparing International Standards is normally carried out through ISO

technical committees. Each member body interested in a subject for which a technical committee has been

established has the right to be represented on that committee. International organizations, governmental and

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adopted by the technical committees are circulated to the member bodies for voting. Publication as an

International Standard requires approval by at least 75 % of the member bodies casting a vote.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

rights. ISO shall not be held responsible for identifying any or all such patent rights.

Amendment 1 to ISO 2425:1999 was prepared by Technical Committee ISO/TC 113, Hydrometry,

Subcommittee SC 1, Velocity area methods.
© ISO 2003 — All rights reserved iii
---------------------- Page: 3 ----------------------
ISO 2425:1999/Amd.1:2003(E)
Measurement of liquid flow in open channels under tidal
conditions
AMENDMENT 1
Cover page

Replace the title in French with “Mesure de débit des liquides dans les canaux découverts dans des

conditions de marée”.
Page 2, Subclause 4.3.1
Add the following sentence at the end of the subclause:

“This value, when used in conjunction with the cross-sectional area, will provide an estimate of the flow in

the channel.”
Page 2, Subclause 4.3.2
Replace the last sentence with the following:

“After calibration, measurements of electrical parameters and water depth provide a means of estimating

the discharge.”
Page 3, Subclause 5.1 c)
In the first line, replace “usually” with “could”.
Page 3, Subclause 5.2.1
Replace the penultimate sentence with the following:
“Under variable or unstead
...

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