DF20/9S20/49/124. Print mark color sensor, 9.5 mm detection range, RGB light with rectangular light spot, external Teach-In, Teach-In button, timer function, NPN output, PNP output, M12 plug. Diffuse mode sensor for recording colored print marks on backgrounds with different colors. Teach-in procedure for automatic threshold value setting. 3 emitter colors: green, red and blue. Very short response time. Optical system exchangeable by 90?°„. Sturdy, waterproof plastic housing. Impulsed time element off-delay. 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