IEC 62489-2:2014
电声学.助听用音频电磁感应环路系统.第2部分:人暴露于辐射限值的评价一致性指南用环路低频电磁辐射的计算方法和测量
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 2: Methods of calculating and measuring the low-frequency magnetic field emissions from the loop for assessing conformity with guidelines on limits for human exposure