施克（SICK）漫反射式光电开关带背景遮蔽功能，使用可见红色光源帮助对准
开关点可调校
W100是一整套光电开关系列，机器内置在小巧的外壳内，却能以低成本完成长距离的检测！方便的细节简化了安装、操作启动和维护控制，例如：灵敏度调节；亮通/暗通开关。此系列开关有如下型号：
WT100-N1419 WT100-P3419 WT100-P4419 WT100-N1419 WT100-N3419 WT100-N4419 WT100-N1412 WT100-P1439 WT100-P3439 WT100-P4439 WT100-N1439 WT100-N3439 WT100-N4439 WT100-N1432 WT100-P1432 WT100-P1412 WL100-P14396 WL100-P3439 WL100-P4439 WL100-N1439 WL100-N3439 WL100-N4439 WL100-P1239 WL100-P1339 WL100-P3239 WL100-P3339 WL100-P4239 WL100-P4339 WL100-N1239 WL100-N1339 WL100-N3239 WL100-N3339 WL100-N4239 WL100-N4339 WL100-P1429 WL100-P3429 WL100-P4429 WL100-N1429 WL100-N3429 WL100-N4429 WS/WE100-P1439 WS/WE100-P3439 WS/WE100-P4439 WS/WE100-N1439 WS/WE100-N3439 WS/WE100-N4439 WS/WE100-P1239 WS/WE100-P1339 WS/WE100-P3239 WS/WE100-P3339 WS/WE100-P4239 WS/WE100-P4339 WS/WE100-N1239 WS/WE100-N1339 WS/WE100-N3239 WS/WE100-N3339 WS/WE100-4239 WS/WE100-N4339 WT100L-E1141 WT100L-E2141 WT100L-E2241 WT100L-F1141 WT100L-F2241 WT100L-F2141 WL100L-E1131 WL100L-E2131 WL100L-E2231 WL100L-F2241 WL100L-2131 WL100L-F2231 WS/WE100L-E1131 WS/WE100L-E2131 WS/WE100LE2231 WS/WE100L-F1131 WS/WE100L-F2131 WS/WE100L-F2231