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I.S. EN ISO 6145-7:2010

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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GAS ANALYSIS - PREPARATION OF CALIBRATION GAS MIXTURES USING DYNAMIC VOLUMETRIC METHODS - PART 7: THERMAL MASS-FLOW CONTROLLERS

Available format(s)

Hardcopy , PDF

Superseded date

01-26-2019

Superseded by

I.S. EN ISO 6145-7:2018

Language(s)

English

Published date

01-01-2010

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

US$41.23
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Set-up
6 Preparation of gas mixtures
7 Calculations
Annex A (informative) - Pre-mixed gases for preparation
        of mixtures of high dilution
Annex B (informative) - Practical hints
Annex C (informative) - Calculation of uncertainties
Bibliography

Describes a method for continuous production of calibration gas mixtures, containing two or more components, from pure gases or other gas mixtures by use of commercially available thermal mass-flow controllers.

DocumentType
Standard
Pages
27
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

Standards Relationship
EN ISO 6145-7:2010 Identical
ISO 6145-7:2009 Identical

ISO 14511:2001 Measurement of fluid flow in closed conduits Thermal mass flowmeters
ISO 6143:2001 Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures
ISO 6142:2001 Gas analysis Preparation of calibration gas mixtures Gravimetric method
ISO 7504:2015 Gas analysis Vocabulary
ISO 6145-1:2003 Gas analysis Preparation of calibration gas mixtures using dynamic volumetric methods Part 1: Methods of calibration
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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