90.20 Standard under periodical review Jan 15, 2024
ISO
ISO/TC 30/SC 5 Velocity and mass methods
International Standard
17.120.10 Flow in closed conduits
Published
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.
WITHDRAWN
ISO 14511:2001
PUBLISHED
ISO 14511:2019
90.20
Standard under periodical review
Jan 15, 2024