ISO 14511:2001
Measurement of fluid flow in closed conduits - Thermal mass flowmeters

Standard No.

ISO 14511:2001

Release Date

2001

Published By

International Organization for Standardization (ISO)

Status

Be replaced

Replace By

ISO 14511:2019

Latest

ISO 14511:2019

Scope

This International Standard 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 International Standard is not applicable to hot wire and other hot film anemometers, also used in making point velocity measurements.

ISO 14511:2001 Referenced Document

• IEC 61000-4 Electromagnetic compatibility (EMC) - Part 4-9: Testing and measurement techniques - Impulse magnetic field immunity test*， 2016-07-13 Update
• ISO ISO IEC 27001-2013 cor2-2015 technical errata*， 2024-04-17 Update
• ISO 4006 Measurement of fluid flow in closed conduits; vocabulary and symbols
• ISO 7066-2 Assessment of uncertainty in the calibration and use of flow measurements devices; part 2: non-linear calibration relationships

ISO 14511:2001 history

• 2019 ISO 14511:2019 Measurement of fluid flow in closed conduits — Thermal mass flowmeters
• 2001 ISO 14511:2001 Measurement of fluid flow in closed conduits - Thermal mass flowmeters