We are offering omron e3x-n teaching optical fiber photoelectric sensor - automate control engineering ltd.In ex-stock: e3x-nm11 (four-channel, npn output) sensitivity easily adjusted with teaching- four amplifiers built into four-channel fiber amplifier models- four fiber units can be wired close together and connected to a four-channel fiber amplifier without mutual interference.- compact with a width of 32 mm (four-channel fiber amplifier models) and a width of 10 mm (one-channel fiber amplifier models).- built-in initial operating level compensation function allows no-object teaching.