• DIN EN 14625:2012-12

    Current The latest, up-to-date edition.

    AMBIENT AIR - STANDARD METHOD FOR THE MEASUREMENT OF THE CONCENTRATION OF OZONE BY ULTRAVIOLET PHOTOMETRY

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2012

    Publisher:  German Institute for Standardisation (Deutsches Institut für Normung)

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols and abbreviated terms
    5 Principle
       5.1 General
       5.2 Measuring principle
       5.3 Type approval test
    6 Sampling equipment
       6.1 General
       6.2 Sampling location
       6.3 Sampling inlet and sampling line
       6.4 Particulate filter
       6.5 Control and regulation of sample flow rate
       6.6 Sampling pump for the manifold
    7 Analyser equipment
       7.1 General
       7.2 Interferences
       7.3 Ultraviolet absorption cell
       7.4 Ultraviolet source lamp
       7.5 UV detector
       7.6 Ozone-specific scrubber
       7.7 Switching valve
       7.8 Temperature indicator
       7.9 Pressure indicator
       7.10 Flow rate indicator
       7.11 Sampling pump for the analyser
       7.12 Residence time in the sampling system and inside the
            analyser
       7.13 Internal ozone span source
    8 Type approval of ultraviolet photometric ozone analysers
       8.1 General
       8.2 Relevant performance characteristics and performance
            criteria
       8.3 Design changes
       8.4 Procedures for determination of the performance
            characteristics during the laboratory test
       8.5 Determination of the performance characteristics during
            the field test
       8.6 Expanded uncertainty calculation for type approval
    9 Field operation and ongoing quality control
       9.1 General
       9.2 Suitability evaluation
       9.3 Initial installation
       9.4 Ongoing quality control
       9.5 Calibration of the analyser
       9.6 Checks
       9.7 Maintenance
       9.8 Data handling and data reports
    10 Expression of results
    11 Test reports and documentation
       11.1 Type approval tests
       11.2 Field operation
    Annex A (normative) Correction for ambient nitric oxide
    Annex B (normative) Calculation of lack of fit
    Annex C (informative) Sampling equipment
    Annex D (informative) Sampling on micro scale
    Annex E (informative) Ultra violet photometric analyser
    Annex F (informative) Manifold testing equipment
    Annex G (normative) Type approval
    Annex H (normative) Calculation of uncertainty in field
            operation at the hourly alert threshold value
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes a continuous measurement method for the determination of the concentrations of ozone present in ambient air based on the ultraviolet photometric measuring principle.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher German Institute for Standardisation (Deutsches Institut für Normung)
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    VDI 2441:2016-05 Process gas and waste gas cleaning by cold plasma - Barrier discharge, corona discharge, UV radiation

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
    DIN ISO 13964:1999-12 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method (ISO 13964:1998)
    ISO 13964:1998 Air quality — Determination of ozone in ambient air — Ultraviolet photometric method
    VDI 4203 Blatt 1:2017-09 Automated measuring systems and data evaluation systems for emission monitoring - Performance test, declaration of suitability and certification of stationary automated measuring systems and check of the quality management system of the manufacturer
    ISO 6145-7:2009 Gas analysis Preparation of calibration gas mixtures using dynamic volumetric methods Part 7: Thermal mass-flow controllers
    ISO 14956:2002 Air quality Evaluation of the suitability of a measurement procedure by comparison with a required measurement uncertainty
    EN ISO 6145-7:2010 Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 7: Thermal mass-flow controllers (ISO 6145-7:2009)
    EN 15267-2:2009 Air quality - Certification of automated measuring systems - Part 2: Initial assessment of the AMS manufacturer’s quality management system and post certification surveillance for the manufacturing process
    EN ISO 20988:2007 Air quality - Guidelines for estimating measurement uncertainty (ISO 20988:2007)
    EN ISO 9001:2015 Quality management systems - Requirements (ISO 9001:2015)
    EN ISO 14956 : 2002 AIR QUALITY - EVALUATION OF THE SUITABILITY OF A MEASUREMENT PROCEDURE BY COMPARISON WITH A REQUIRED MEASUREMENT UNCERTAINTY
    ISO 9001:2015 Quality management systems — Requirements
    ENV 13005 : DRAFT 1999 GUIDE TO THE EXPRESSION OF UNCERTAINTY IN MEASUREMENT
    VDI 2453 Blatt 2:2002-10 Gaseous air pollution measurement - Measurement of concentration of nitrogen monoxide and nitrogen dioxide - Calibration of NO/NO chemiluminescence analysers using gas phase titration
    ISO 15337:2009 Ambient air Gas phase titration Calibration of analysers for ozone
    EN ISO 6145-6:2017 Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 6: Critical flow orifices (ISO 6145-6:2017)
    ISO 20988:2007 Air quality Guidelines for estimating measurement uncertainty
    ISO 6145-6:2017 Gas analysis — Preparation of calibration gas mixtures using dynamic methods — Part 6: Critical flow orifices
    EN 15267-1:2009 Air quality - Certification of automated measuring systems - Part 1: General principles
    VDI 4203 Blatt 3:2010-09 Testing of automated measuring systems - Test procedures for point-related ambient air measuring systems for gaseous and particulate air pollutants
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