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.

General information

  • Status :  Withdrawn
    Publication date : 2008-04
  • Edition : 2
    Number of pages : 59
  • :
    ISO/TC 113/SC 2
    Flow measurement structures
  • 17.120.20
    Flow in open channels

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