BS EN IEC 61207-3:2019
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Gas Analyzers. Expression of performance – Paramagnetic oxygen analysers
| Published By | Publication Date | Number of Pages |
| BSI | 2019 | 34 |
IEC 61207-3:2019 is available as /2 which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61207-3:2019 applies to the three main methods for measuring oxygen by its paramagnetic property, which are outlined in the introduction. It considers essential ancillary units and applies to analyzers installed indoors and outdoors. Safety-critical applications can require additional requirements from system and analyzer specifications not covered in this document. This document is intended: – to specify terminology and definitions related to the functional performance of paramagnetic gas analyzers for the measurement of oxygen in a source gas; – to unify methods used in making and verifying statements on the functional performance of such analyzers; – to specify what tests are performed to determine the functional performance and how such tests are carried out; – to provide basic documents to support the application of internationally recognized quality management standards. This third edition cancels and replaces the second edition published in 2002. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) all references (normative and informative) have been updated, deleted or added to as appropriate; b) all the terms, descriptions and definitions relating to the document have been updated where appropriate; c) all references to “errors” have been replaced by “ uncertainties” and appropriate updated definitions applied.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 5 | Annex ZA(normative)Normative references to international publicationswith their corresponding European publications |
| 7 | English CONTENTS |
| 9 | FOREWORD |
| 11 | INTRODUCTION |
| 12 | 1 Scope 2 Normative references 3 Terms and definitions |
| 14 | Figure 1 – Magnetic auto-balance system with current feedback |
| 16 | Figure 2 – Thermomagnetic oxygen sensor |
| 17 | Figure 3 – Differential pressure oxygen sensor |
| 18 | Figure 4 – Typical sampling systems –Filtered and dried system with pump for wet samples |
| 19 | Figure 5 – Typical sampling system – Steam-aspirated system with water wash for wet samples |
| 20 | 4 Procedures for specification 4.1 General 4.2 Specification of essential ancillary units and services 4.2.1 Sampling system 4.2.2 Services |
| 21 | 4.3 Additional characteristics related to specification of performance 4.4 Important aspects related to specification of performance 4.4.1 General 4.4.2 Rated range of ambient temperature 4.4.3 Rated range of sample gas temperature |
| 22 | 4.4.4 Rated range of ambient pressure 4.4.5 Rated range of sample pressure 4.4.6 Rated range of sample flow 4.4.7 Rated range of sample dew point 4.4.8 Rated range of sample particulate content |
| 23 | 4.4.9 Rated range of interference uncertainties 4.4.10 Rated range of linearity uncertainty 4.4.11 Rated ranges of influence quantities 5 Procedures for compliance testing 5.1 Analyzer testing 5.1.1 General 5.1.2 Test equipment |
| 24 | 5.2 Testing procedures 5.2.1 General 5.2.2 Interference uncertainty Figure 6 – General test arrangement – Dry gases |
| 25 | 5.2.3 Wet samples 5.2.4 Delay times, rise time, fall time |
| 26 | Figure 7 – Test apparatus to apply gases and water vapour to analysis systems |
| 27 | Annex A (informative) Interfering gases |
| 28 | Table A.1 – Zero correction factors for current gases |
| 31 | Annex B (informative) Methods of preparation of water vapour in test gases |
| 33 | Bibliography |
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BS EN IEC 61207-3:2019 – TC:2020 Edition
Tracked Changes. Gas Analyzers. Expression of performance – Paramagnetic oxygen analysers Published By Publication Date…
