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DIN EN 14625

Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry; German version EN 14625:2012

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German title

Außenluft - Messverfahren zur Bestimmung der Konzentration von Ozon mit Ultraviolett-Photometrie; Deutsche Fassung EN 14625:2012

Publication date
2012-12
Publisher
Engl. VDI/DIN-Kommission Reinhaltung der Luft (KRdL) - Normenausschuss
Related manuals
Number of pages
95
Available in
German
Abstract

This document specifies a continuous measurement method for the determination of the concentration of ozone present in ambient air based on the ultraviolet photometric measuring principle. This document describes the performance characteristics and sets the relevant minimum criteria required to select an appropriate ultraviolet photometric ozone analyser by means of type approval tests. It also includes the evaluation of the suitability of an analyser for use in a specific fixed site so as to meet the data quality requirements of the relevant EU air quality directive and the requirements during sampling, calibration and quality assurance.The method is applicable to the determination of the concentration of ozone present in ambient air from 0 µg/m3 to 500 µg/m3. This concentration range represents the certification range for the type approval test.The method covers the determination of ambient air concentrations of ozone in zones classified as rural areas, urban and urban-background areas.NOTE Lower ranges may be used for measurement systems applied at rural locations monitoring ecosystems.When the standard is used for other purposes than for measurements required by EU Directives, the range and uncertainty requirements need not apply.

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