LJK-1260N4NO
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克特接近开关也叫近接开关，又称无触点行程开关，它除可以完成行程控制和限位保护外，还是一种非接触型的检测装置，用作检测零件尺寸和测速等，也可用于变频计数器、变频脉冲发生器、液面控制和加工程序的自动衔接等。特点有工作可靠、寿命长、功耗、复定位 度、操作频率以及适应恶劣的工作环境等。
结构形式
克特接近开关按其外型形状可分为圆柱型、方型、沟型、穿孔(贯通)型和分离型。圆柱型比方型安装方便，但其检测特性相同，沟型的检测部位是在槽内侧，用于检测通过槽内的物体，而则应用较为普遍，可用于小螺钉或滚珠之类的小零件和浮标组装成水位检测装置等。
克特接近开关的分类
电感式：仅能检测金属物体，特别对铁金属可以更好的检出，但选择非铁金属时，其检测距离会大大的缩短。性能稳定是常用的检测方法。
电容式：能检测金属、非金属、玻璃、液体等，其检测距离和检测物体的电导常数、水份含量、物体体积等因素密切相关。使用时需将金属物体接地，否则开关会产生误作用。尾部附有灵敏度调整器，可调整距离。
霍尔式：利用霍尔效应来检测磁性物体的有无，检测物体一般是磁铁。稳定性，检测距离较长；检测距离跟磁体的磁感应强度有关，一般选用钕硼体磁铁。
