Omega EngineeringProximity Sensors Power supplies for stepper drives, sensors, transducers, strain gages, and general purpose use. Linear regulated and switching supplies, adjustable voltages and fixed voltages.Cutler-Hammer 2-wire AC and 3-wire DC Inductive Proximity SensorsCutler-Hammer Harsh Duty Series Photoelectric SensorsProximity Sensors with LED indicator, Sensing range - 2mm to 15mmSeries DT Detector Position SensorSmall Diameter Inductive Proximity Sensors, range from 0.8 to 3mm