Deducing local ELF field values from large sense coil fluxmeter measurements

Abstract

Great interest has been arising in the precise measurements of ambient ELF magnetic fields. Among the most convenient and cheap devices used .in measuring ELF magnetic fields are fluxmeters. In regions where field values change rapidly within sense coil dimensions, signijkant inaccuracies result in fluxmeter measurements. This paper proposes a novel approach using which local field distributions within the fluxmeter sense coil dimensions may be obtained. Theoretical details and sample simulation results of the approach are given in the paper.