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ISO 14511:2019

Measurement of fluid flow in closed conduits — Thermal mass flowmeters

Publication date:   Jan 10, 2019

General information

90.60 Close of review   Jun 4, 2024

ISO

ISO/TC 30/SC 5 Velocity and mass methods

International Standard

17.120.10   Flow in closed conduits

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Scope

This document gives guidelines for the specification, testing, inspection, installation, operation and calibration of thermal mass gas flowmeters for the metering of gases and gas mixtures. It is not applicable to measuring liquid mass flowrates using thermal mass flowmeters.
This document is not applicable to hot wire and other hot film anemometers, also used in making point velocity measurements.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 14511:2001

NOW

PUBLISHED
ISO 14511:2019
90.60 Close of review
Jun 4, 2024