三轴磁传感器

AK09973D is ideal for non-contact detection of relative distances, postures and angles with magnets using in combination with a magnet.
Utilizing the magnetic threshold interrupt function and ultra-low power consumption, it is also suitable for battery-powered security monitoring devices.

AK09940A is a digital output ultra-compact 3-axis electronic magnetometer that uses TMR magnetic sensor elements to achieve world-class ultra-low noise performance.
Metal flaw or metal foreign object detection, as well, it might be able to be utilized in various fields magnetic detection has not been made.