The OPT series of single and multi-fiber photoelectric amplifiers are available with wide detection and working ranges that support transparent object recognition capability. The DIN rail-mountable units are equipped with NPN or PNP, push-pull, light-on/dark-on selectable outputs, a bar graph signal-strength indicator, a red LED with visible spot and key potentiometer or teach-in pushbutton for configuration. IO-Link communication is available on select units. Available in four models, the amplifiers are IP50- and IP65-rated. Also available are 1-m glass and 2-m cuttable plastic fiberoptic cables for diffuse and through-beam modes.