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Standard
ISO 7935
Second edition
Stationary source emissions —
2024-02
Determination of the mass
concentration of sulfur dioxide
in flue gases — Performance
characteristics of automated
measuring systems
Émissions de sources fixes — Détermination de la concentration
en masse de dioxyde de soufre — Caractéristiques de
performance des systèmes de mesurage automatiques
Reference number
ISO 7935:2024(en) © ISO 2024
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ISO 7935:2024(en)
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© ISO 2024
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Published in Switzerland
© ISO 2024 – All rights reserved
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ISO 7935:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols and abbreviated terms. 4
4.1 Symbols .4
4.2 Abbreviated terms .5
5 Principle . 5
6 Description of the automated measuring systems . 5
6.1 Sampling and sample gas conditioning systems .5
6.2 Analyser equipment .6
7 Performance characteristics and criteria . 6
7.1 Performance criteria .6
7.2 Determination of the performance characteristics .7
7.2.1 Performance test .7
7.2.2 Ongoing quality control .7
8 Selection and installation procedure .
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