NS-ISO 1438-1:1980 PDF

NS-ISO 1438-1:1980 PDF

Name:
NS-ISO 1438-1:1980 PDF

Published Date:
04/01/2005

Status:
Active

Description:

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

Publisher:
Standards Norway NS-ISO Series

Document status:

Active

Format:

Electronic (PDF)

Delivery time:

10 minutes

Delivery time (for Russian version):

200 business days

SKU:

ADOPTED_FROM:ISO 1438-1:1980

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.

Number of Pages :	36
Published :	04/01/2005

History

NS-ISO 1438:2017

NS-ISO 1438:2017

Published Date: 05/04/2021

Hydrometry - Open channel flow measurement using thin-plate weirs

NS-ISO 1438-1:1980

NS-ISO 1438-1:1980

Published Date: 04/01/2005

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

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

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

Published Date: 04/01/2005

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

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