What is the Lanbao PR18-BC Series Diffuse Reflection Photoelectric Sensors? The Lanbao PR18-BC Series Diffuse Reflection Photoelectric Sensors family is Lanbao's official cylindrical diffuse-reflection photoelectric sensor platform for opaque object detection in automation cells, logistics, packaging lines, and robotics integration. The family combines 10cm non-adjustable and 40cm adjustable sensing options, industrial DC output choices, and cable or M12 connector installation options so engineers can select the right part number for range, wiring, and controller logic. If you are building around Arduino development boards, pairing with ESPRESSIF wireless MCU platforms, or integrating with robotics hardware from Elephant Robotics, this Lanbao family gives engineers an official, structured path to choose the right sensor variant. Features M18 cylindrical body format makes the family easy to deploy in packaging, logistics, and general automation stations where cylindrical bodies and standard brackets are preferred. Diffuse-reflection sensing is practical when you need object presence detection without a separate reflector. Multiple sensing distance choices let you balance tighter mechanical installations against longer stand-off range. NPN and PNP logic options reduce integration friction with PLCs, industrial I/O, and embedded interface modules. Cable and M12 connector versions support either simpler fixed wiring or faster field replacement and modular harnessing. Specifications Parameter Value Series PR18-BC series Sensor type Diffuse reflection photoelectric sensor family Body size M18 cylindrical body Detection type Diffuse reflection Rated distance [Sn] 10cm non-adjustable / 40cm adjustable Light source Infrared LED (880nm) Output types NPN and PNP Switching circuits represented in this family batch NO, NC, and NO+NC Electrical supply 10…30 VDC Standard target White card reflection rate 90% Target Opaque object Load current ≤200mA Residual voltage ≤2.5V Consumption current ≤25mA Response time