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About This Item
Full Description
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.
Document History
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DANSK DS/EN ISO 748
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Hydrometry – Measurement of liquid flow in open channels – Velocity area methods using point velocity measurements (ISO 748:2021)- Most Recent
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DANSK DS/EN ISO 748
Hydrometry – Measurement of liquid flow in open channels using current-meters or floats- Historical Version