ISO 1438:2017

ISO 1438:2017

April 2017
International standard Current

Hydrometry - Open channel flow measurement using thin-plate weirs

ISO 1438:2017 defines the requirements for the use of rectangular and triangular (V-notch) thin-plate weirs for the measurement of flow of clear water in open channels under free flow conditions. It includes the requirements for the use of full-width rectangular thin-plate weirs in submerged (drowned) flow conditions.

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Main informations

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International ISO standards

Publication date

April 2017

Number of pages

60 p.

Reference

ISO 1438:2017

ICS Codes

17.120.20   Flow in open channels

Print number

1
Sumary
Hydrometry - Open channel flow measurement using thin-plate weirs

ISO 1438:2017 defines the requirements for the use of rectangular and triangular (V-notch) thin-plate weirs for the measurement of flow of clear water in open channels under free flow conditions. It includes the requirements for the use of full-width rectangular thin-plate weirs in submerged (drowned) flow conditions.

Replaced standards (2)
ISO 1438:2008
April 2008
International standard Cancelled
Hydrometry - Open channel flow measurement using thin-plate weirs

ISO 1438:2008 defines the requirements for the use of rectangular and triangular (V-notch) thin-plate weirs for the measurement of flow of clear water in open channels under free flow conditions. It includes the requirements for the use of full-width rectangular thin-plate weirs in submerged (drowned) flow conditions.

ISO 1438/AC1:2008
September 2008
International standard Cancelled
Technical corrigendum 1 to standard ISO 1438:2008

Standard replaced by (2)
ISO 1438:2008
April 2008
International standard Cancelled
Hydrometry - Open channel flow measurement using thin-plate weirs

ISO 1438:2008 defines the requirements for the use of rectangular and triangular (V-notch) thin-plate weirs for the measurement of flow of clear water in open channels under free flow conditions. It includes the requirements for the use of full-width rectangular thin-plate weirs in submerged (drowned) flow conditions.

ISO 1438/AC1:2008
September 2008
International standard Cancelled
Technical corrigendum 1 to standard ISO 1438:2008

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