DL-S3R DL-S4R DL-S5R日本竹中TAKEX光电开关
由于该组传感器采用了独特的半分二极管，工作时不受目标颜色，形状，材料的影响。
移动式端盖，端子接线，联线更方便
红、绿发光二极管指示灯使得调整更简洁
配备防尘镜，可在恶劣环境中工作                             
DL-S3PN                                                         
DL-S3R                                                           
DL-S3RPN                       
DL-S4                                      
DL-S4R                                                            
DL-S5                                                              
DL-S5R