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ISO 1438-1:1980

Water flow measurement in open channels using weirs and Venturi flumes — Part 1: Thin-plate weirs

Apr 1, 1980
95.99 Withdrawal of Standard   Apr 2, 2008

General information

95.99     Apr 2, 2008

ISO

ISO/TC 113/SC 2

International Standard

17.120.20  

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Scope

Specifies methods for the measurement of water flow in open channels using rectangular and triangular-notch (V-notch) thin-plate weirs. The flow conditions considered are limited to steady, free and fully ventilated discharge. Recommended discharge coefficients are applicable to water only in the approximate range of temperatures from 5 to 30 °C.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 1438:1975

NOW

WITHDRAWN
ISO 1438-1:1980
95.99 Withdrawal of Standard
Apr 2, 2008

CORRIGENDA / AMENDMENTS

WITHDRAWN
ISO 1438-1:1980/Amd 1:1998

REVISED BY

WITHDRAWN
ISO 1438:2008