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DIN EN 14625:2012-12

Current
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

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

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

DocumentType
Standard
Pages
98
PublisherName
German Institute for Standardisation (Deutsches Institut für Normung)
Status
Current

Standards Relationship
NBN EN 14625 : 2012 Identical
NEN EN 14625 : 2012 Identical
NS EN 14625 : 2012 Identical
I.S. EN 14625:2012 Identical
SN EN 14625:2012 Identical
UNI EN 14625 : 2012 Identical
UNE-EN 14625:2013 Identical
BS EN 14625:2012 Identical
EN 14625:2012 Identical
NF EN 14625 : 2013 Identical

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

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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