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A comprehensive analysis of the uncertainty of a commercial ozone photometer

M Zucco1,3, S Curci2, G Castrofino2 and M P Sassi1

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A model for the comprehensive analysis of uncertainty in measurement by the ultraviolet photometric method for the determination of ozone concentration in air is presented. The practical evaluation of uncertainty is carried out on a commercial photometer analysing the systematic effects and the associated uncertainty of each input quantity. The combined standard uncertainty is given. The analysis is applicable to the large class of ozone photometers that satisfy the conditions of ISO standard 13964, typically used in secondary laboratories for calibration.


PACS

07.60.Dq Photometers, radiometers, and colorimeters

06.20.F- Units and standards

07.88.+y Instruments for environmental pollution measurements

89.60.-k Environmental studies

06.20.Dk Measurement and error theory

Subjects

Instrumentation and measurement

Environmental and Earth science

Dates

Issue 9 (September 2003)

Received 7 November 2002, accepted for publication 19 June 2003, in final form 28 May 2003

Published 5 August 2003



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