Description: Photoelectric Sensors are indispensable components of modern automated production processes. We provide two main types of photoelectric sensors reflex and through beam sensors. These sensors are designed for applications involving non-contact detection for measuring, counting and positioning. The through beam type sensors have sensing range up to 5M. The emitter and receiver are in separate housings facing each other with their optical axes matched. The reflex type sensors can again be classified into two diffused beam reflex sensor and retro reflective reflex sensor. The beam reflex sensors have the emitter and receiver is in same housing. The sensing ranges up to 0.2m. The emitter sends beam of pulsed infrared light. Only small portion of light diffused by object in all directions is sensed, which switches the sensor. The retro reflective reflex sensor have the emitter and receiver in same housing and the light reflected by triple prism reflector or reflecting Tape opposite to sensor is sensed. Thereby the sensor switches when light beam is interrupted.
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