DK50-UV-609/115b/147. Print mark luminescence scanner, detection range: 609 mm, UV light, light/dark on, Teach-In, timer function, NPN output, PNP output, cable with M12 plug. Detect fluorescent chalk marks, clear glue, tamper-proof seals and other marks that regular contrast sensors cannot. Detect marks on irregular backgrounds. Sense invisible or nearly invisible marks. Compact, space-saving construction. Integral timer available. Automatic or incremental teach. Differentiate degrees of luminescent contrast. Suitable for operation in Zone 1, Zone 2, Zone 21 and Zone 22. Very large clamping range due to double sealing insert. Full impact resistance of 7 J according to IEC/EN 60079-0 for the full range without limitations