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
Hardcopy , PDF
English
01-01-2012
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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 14956:2002) |
| 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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