Carlo Gavazzi Photoelectric Sensor Fork Type, W12xH37.5xD80mm, Slot Width: 3mm, Aluminium Housing, NPN/PNP NO or NC Switching, M8 Plug Connection, 10-30VDC. Detection of labels, marks and double sheets, as well as holes and edges are typical applications for the PF80 fork sensor. The sensor is made in strong aluminium housing with 8 mm plug for fast disconnection.