Hydrometry. Liquid flow measurement using end depth method in channels with a free overfall Ingestion-build-95349 3 Method using cut-off filters

3 Method using cut-off filters

Chromium (Cr) (except chromium-tanned leathers)

BS EN ISO 8062-1:2007 replaces BS 6615:1996

Where specific requirements in this part are modified from the general requirements in EN 16842-1

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Hydrometry. Liquid flow measurement using end depth method in channels with a free overfall Ingestion-build-95349 3 Method using cut-off filters1 Scope This document specifies a method for the estimation of the sub critical flow of clear water in a smooth, essentially horizontal channel (or a gently sloping channel), abruptly discontinued at bottom by a hydraulic structure, with a vertical drop and discharging freely. Such an overfall forms a control section and offers a means for the estimation of flow using the end depth measurement method. A wide variety of channel cross sections with