KJT KD08 Photoelectric sensor switch reflector

 

KJT KD08 Photoelectric sensor switch reflector

A KJT KD08 Photoelectric sensor switch is a type of sensor used to detect objects or changes in surface conditions via a light transmitter and a receiver. Here is a general overview of how photoelectric sensors, particularly those using a reflector, operate and some considerations for their use:

Overview

  1. Working Principle:

    • Emitter: The sensor has an emitter that sends out a light beam (infrared, visible red, etc.).
    • Reflector: In a reflective photoelectric sensor setup, the light beam hits a reflector placed opposite the sensor.
    • Receiver: The light beam is reflected back to the sensor's receiver.
    • Detection: An object passing between the sensor and the reflector interrupts the light beam, triggering a detection event.

  2. Types of Photoelectric Sensors:

    • Through-beam: Separate emitter and receiver; the object breaks the beam.
    • Retro-reflective: Emitter and receiver are housed together, using a reflector.
    • Diffuse: The object reflects the light back to the sensor.

Applications:

  • Counting objects on a conveyor.
  • Detecting the presence or absence of parts.
  • Measuring the speed or direction of moving objects.

product link：https://www.kjt-sensors.com/show-385.html

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