BX-R5M Retro-Reflective Photoelectric Switch 24-240VAC DC 5m
M18 Plastic Shell Ultrasonic Sensor – 1m Non-Contact Distance & Liquid Level Sensing, NPN/PNP + 4-20mA/0-10V, IP67
FSB-022
M5 Non-Flush Inductive proximity sensor
M12 Flush Analog Proximity Sensor – Compact 4mm, DC 10-30V, IP67 Continuous Output
M30 All-Metal Non-Flush Analog Proximity Sensor – 15mm Continuous Detection (0-14.6mm Reliable), Stainless Body & Face, 4-20mA / 0-10V Output, DC 10-30V