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prEN ISO 748

Hydrometry - Measurement of liquid flow in open channels - Velocity area methods using point velocity measurements (ISO/DIS 748:2020)

Üldinfo
Kavand
Alusdokumendid
ISO/DIS 748; prEN ISO 748
Tegevusala (ICS grupid)
17.120.20 Kulu lahtises kanalis
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puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
Põhitekst
05.12.2007
Põhitekst
This International Standard specifies methods for determining the velocity and cross-sectional area of water flowing in open channels and for calculating the discharge employing point velocity measurement devices. It covers methods using rotating element Current Meters, Acoustic Doppler Velocimeters (ADV), Acoustic Doppler Velocity Profiler (ADVP) – Stationary method, Surface Velocity measurement including floats and other surface velocity systems. Although some general procedures are discussed, it does not describe in detail how to use or deploy these systems. For detailed procedures, reference should be made to guidelines from instrument manufacturers and appropriate public agencies.
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