AC magnetic field standard for magnetometer calibrations at NMIJ

Abstract

Recently, in the field of EMC measurement, demands for calibrations of AC magnetometers are increasing. National metrology institute of Japan has started to develop a system. In this paper, an AC magnetic field standard system for AC magnetometer calibrations is described. The target field strength and frequency range are 7.162 A/m (9 μT) and 50 Hz-60 Hz, respectively.