EN ISO 6416:2017

Hydrometry - Measurement of discharge by the ultrasonic transit time (time of flight) method (ISO 6416:2017)

Publication date:   Apr 16, 2018

General information

60.60 Standard published   Nov 29, 2017

CEN

CEN/TC 318 Hydrometry

European Norm

17.120.20   Flow in open channels

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Scope

ISO 6416 describes the establishment and operation of an ultrasonic (transit-time) gauging station for the continuous measurement of discharge in a river, an open channel or a closed conduit. It also describes the basic principles on which the method is based, the operation and performance of associated instrumentation and procedures for commissioning.
It is limited to the "transit time of ultrasonic pulses" technique, and is not applicable to systems that make use of the "Doppler shift" or "correlation" or "level-to-flow" techniques.
ISO 6416 is not applicable to measurement in rivers with ice.
NOTE ISO 6416 focuses on open channel flow measurement. IEC 60041 covers the use of the technique for full pipe flow measurement.

Life cycle

PREVIOUSLY

WITHDRAWN
EN ISO 6416:2005

NOW

PUBLISHED
EN ISO 6416:2017
60.60 Standard published
Nov 29, 2017