The Autonics CR18-8DN is a cylindrical capacitive proximity sensor designed for precise detection of various materials, including metal, plastic, water, and grain. Featuring an M18 sensing side diameter and an 8mm sensing distance, it operates on a DC 3-wire system with a supply voltage range of 12-24VDC and offers an NPN Normally Open control output. The sensor's robust polyamide 6 construction ensures durability, while its IP66-rated protection structure safeguards against dust and water ingress. Additional features include a built-in sensitivity adjuster for convenient configuration and a red LED operation indicator for easy status monitoring. ​