The Optex Background Suppression sensors are able to detect objects without being influenced by either the background or the color of the product. All Optex sensors that have a BGS part number are background suppression sensors. SS Sensor (PDF)
Optex CMOS Laser BGS models are highly accurate for objects on a conveyor no matter the color. This sensor features a teach function with sensing distance options of 40-100mm and 100-250mm. The BGS-DL10 (or 25) have programmable timing, light/dark select, and 2 point teach. BGS-DL (PDF)
Optex offers a low cost 18mm mount background suppression series. Rugged water proof construction rated IP 67. 18mm Y Series (PDF)