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Sensors 2010, 10(5), 4430-4455; doi:10.3390/s100504430
Review

Measurement Uncertainty Estimation in Amperometric Sensors: A Tutorial Review

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Received: 26 February 2010 / Revised: 29 March 2010 / Accepted: 10 April 2010 / Published: 30 April 2010
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Abstract

This tutorial focuses on measurement uncertainty estimation in amperometric sensors (both for liquid and gas-phase measurements). The main uncertainty sources are reviewed and their contributions are discussed with relation to the principles of operation of the sensors, measurement conditions and properties of the measured samples. The discussion is illustrated by case studies based on the two major approaches for uncertainty evaluation–the ISO GUM modeling approach and the Nordtest approach. This tutorial is expected to be of interest to workers in different fields of science who use measurements with amperometric sensors and need to evaluate the uncertainty of the obtained results but are new to the concept of measurement uncertainty. The tutorial is also expected to be educative in order to make measurement results more accurate.
Keywords: amperometric sensors; measurement uncertainty; uncertainty sources amperometric sensors; measurement uncertainty; uncertainty sources
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Helm, I.; Jalukse, L.; Leito, I. Measurement Uncertainty Estimation in Amperometric Sensors: A Tutorial Review. Sensors 2010, 10, 4430-4455.

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