MEASURING SENSOR FOR FINE DISPLACEMENT

摘要

PURPOSE: A micro displacement measurement sensor is provided to measure the micro relative movement displacement of two objects relatively moved by a non-contact mode and to improve assemblability with a simple structure. CONSTITUTION: A micro displacement measurement sensor comprises a magnet unit(100) and a sensor unit(200). The magnetic unit is joined to be moved integrally with a caliper body and generates a magnetic field. The sensor unit is arranged by being spaced from the magnetic unit. The sensor unit is arranged to be relatively moved with respect to the magnetic unit, thereby sensing magnetic field variations caused by the movement of the magnetic unit. The sensor unit senses the relative movement displacement of the magnetic unit.