Omron
OMRON E3X-SD Series Fiber Optic Amplifier, 12 to 24 VDC, 40/80 mA, 960 mW, Polybutylene Terephthalate, Red LED Light Source, NPN Output, Digital Display and Direct Key Setting, Standard, Amplifier with 2 M Pre-Wired Cable for Fiber Optic Sensor.