The Omron E2A-M18KN16-WP-B3 2M is a micro-sized inductive proximity sensor. It is designed for use in industrial automation equipment for a number of applications including detecting the presence of objects. Its micro size lends itself to tight spaces, making it particularly well suited for use in limited areas where space is at a premium. It is capable of detecting objects made of metals such as ferrous and non-ferrous materials and can be used in applications such as position sensing, presence and machine load monitoring. The sensing distance of this part is 2 millimeters, with a sensing range of 5mm at a accuracy of 1mm. The operating temperature range for this sensor is between -25 and +70 degrees Celsius, and the power supply voltage ranges from 12 to 24 VDC. The E2A-M18KN16-WP-B3 2M is IP67 rated and has UL, CSA and CE approvals.