Fluxgate magnetometer is a kind of vector magnetometer which has the ability of measuring the components of magnetic field directly . the fluxgate instrument is variometer based on magnetization non - linearity of " soft " magnetic material 磁通门磁力仪是直接测量地磁场分量的矢量磁力仪，是一种基于“软”磁材料磁化特性的非线性的地磁相对记录仪器。
