OBD1000-R100-2EP-IO-V31 | Pepperl + Fuchs Diffuse Photoelectric Sensor, Block Sensor, 2 mm → 1 m Detection Range IO-LINK | RS
Taidacent Inductive Proximity Switch 1 M Proximity Object Human Presence Sensor Low Voltage Ir Inductive Type Proximity Sensor - Iot Accessories - AliExpress
E3F-DS100C4 Infrared proximity sensor C1 long distance 1 meter 2 adjustable | eBay
Taiss/ 1 Pair Photoelectric Sensor M18 Infrared Ray Through-Beam Reflection Optical Photoelectric Switch Sensor NPN NO 6-36VDC Proximity Switch Inductive Distance 5M with mounting Bracket E3F-5DN1-2Z: Amazon.com: Industrial & Scientific
M30 Inductive Proximity Sensors Datasheet by Crouzet | Digi-Key Electronics