Low frequency electromagnetic field measurements and conformity assessment

Maja Grbic

Abstract

The paper is related to measurements of power frequency (50 Hz) electric and magnetic fields. The measurements are carried out in order to check the compliance of the field levels with the reference levels prescribed by national and international legislation. For the purpose of the conformity assessment, it is necessary to evaluate the expanded measurement uncertainty for each particular case and to adopt the decision rule. It is analyzed how the expanded measurement uncertainty and the adopted decision rule affect the conformity assessment. The analysis is carried out on a set of several hundred measurements carried out in residential areas near overhead power lines and substations. Different decision rules are applied to the analyzed set of measurement results in order to check how the selection of decision rule affects the conformity assessment.

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IMEKO-TC8-11-24-2025-025.pdf

DOI

10.21014/tc11-2025.025

IMEKO TC

TC11 - Measurement in Testing, Inspection and Certification

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