Pepperl+Fuchs Inc., Twinsburg, OH, offers SU18 and SU19 plastic photoelectric fiber-optic amplifiers. The devices feature multiple detection modes, selectable timing functions, remote teach, and 4-in-1 output (NPN light on, NPN dark on, PNP light on, or PNP dark on). A locking lever secures the fiber-optic cable to the sensor; a press and click feature facilitates DIN rail mounting and removal without the need for tools. The SU18 Series is available in pushbutton teach or potentiometer-adjustable models with weak signal output with built-in diagnostic functions. Both feature cross-talk protection when used in high-resolution mode and a large status LED. The SU19 Series can be gang-mounted with up to 18 amplifiers, a built-in 4-digit display of % light received, and a glass detection mode.