ISO-9213 › Historical Revision Information
Measurement of total discharge in open channels -- Electromagnetic method using a full-channel-width coil

ISO-9213 - 1ST EDITION - SUPERSEDED
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ISO 9213:2004 specifies procedures for the establishment and operation of a gauging station, equipped with an electromagnetic flow meter, in an open channel or a closed conduit with a free water surface.

ISO 9213:2004 is applicable to configurations where an artificial magnetic field is generated through which the entire body of water flows. The induced voltage is sensed in such a way that all elements of the moving water contribute. The equipment described normally requires an electrical mains power supply.

ISO 9213:2004 is not applicable to devices sampling only part of the flowing body of water (e.g. velocity meters) or to flow meters which operate by using the Earth's magnetic field.

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17.120.20 (Flow in open channels Including hydrometric determinations)

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Document Number

ISO 9213:1992

Revision Level

1ST EDITION

Status

Superseded

Publication Date

July 15, 1992

Committee Number

ISO/TC 113/SC 1