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  5. Evaluation of uncertainty in measurements made with automatic air analyzer

Evaluation of uncertainty in measurements made with automatic air analyzer

N.B. Mkrtychyan, G.R. Nezhikhovskiy
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The issue of verifying the compliance with the requirements for accuracy measurements carried out by means of the automatic analyzer monitoring the condition of atmospheric air is discussed. A measurement model in which dimensionless coefficients reflecting the influence of various factors on the analyzer readings is proposed. The standard and expanded uncertainties in measurements of the mass concentration of carbon monoxide and sulfur dioxide in the air when using the automatic gas analyzer have been evaluated.
Keywords: аir, automatic analyzer, the mass concentration of carbon monoxide, the mass concentration of sulfur dioxide, measurement uncertainty, uncertainty budget