An AC differential Hall probe for residual magnetic field measurements

Barton, 1971 Atherton, 1983, Stress-shadow magnetic inspection technique for far side anomalies in steel pipe, NDT International, 16, 145, 10.1016/0308-9126(83)90037-8 McGuire, 1969, Direct current magnetic measurements Smith, 1956, Development of a vibrating-coil magnetometer, Rev Sci Instrum, 27, 261, 10.1063/1.1715538 Mogilevsky, 1970 Primdahl, 1979, The fluxgate magnetometer, J Phys E, 12, 241, 10.1088/0022-3735/12/4/001 Hartmann, 1972, Resonance magnetometers, IEEE Trans Magnetics, MAG-8, 66, 10.1109/TMAG.1972.1067262 Raemer, 1969