Health and safety in welding and allied processes. Laboratory method for sampling fume and gases. Part 3: Determination of ozone emission rate during arc welding (ISO 15011-3:2009)
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ISO 15011-3:2009 defines a laboratory method for measuring the emission rate of ozone during arc welding, using a hood technique. The method is directed primarily at measuring ozone emission rate when using gas-shielded arc welding processes, but it can also be employed with other processes, e.g. self-shielded flux-cored arc welding, provided that welding can be performed automatically under the hood.
Tämän julkaisun valmistelusta Suomessa vastaa Metalliteollisuuden Standardisointiyhdistys ry, puh. 09 19 231 (vaihde).
Sisällysluettelo
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Equipment and materials
6 Test procedures
6.1 Welding procedure selection
6.2 Setting up the test equipment
6.3 Trial tests
6.4 Emission rate testing
7 Calculating and reporting the results
Annex A Equipment notes (informative)
Annex B Welding parameters for ozone emission rate testing (informative)
Annex C Test procedures (normative)
Annex D Calculation of the average stable ozone concentration (normative)
ISO/IEC Guide 98-3:2008 Uncertainty of measurement -- Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
ISO/TR 25901:2007 Welding and related processes -- Vocabulary
ISO/IEC Guide 98-3:2008 Uncertainty of measurement -- Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
ISO/TR 25901:2007 Welding and related processes -- Vocabulary