| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic proximity switch which can perform a positioning operation with satisfactory accuracy by one magnetic proximity switch without constituting a detection system by arranging a plurality of magnetic proximity switches in the movement direction of a specimen. SOLUTION: A switch unit in which a plurality of reed switches are arranged in the movement direction of the specimen with reference to one magnet unit which is composed of a permanent magnet and a yoke is provided inside the same case as the magnet unit. The plurality of reed switches are constituted so as to be slidable in the movement direction of the specimen. |
