Luminescence Sensor with Push Button Programming Facility is used to detect luminescence present on backgrounds and reflective surfaces like metal, ceramic and mirrored glass. The Luminescence Sensor is featured with push-button programming facility and can respond in 250 microseconds. The Luminescence Sensor is available in robust and compact metal housing that ensures long lasting usage. Luminescence Sensor with Push Button Programming Facility offers switch-selectable NPN or PNP discrete outputs and 0 to 5.5V DC analog output.