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Laser sensor-to hit upon the object

Laser sensors are one of the most accurate precision instruments in industrial automation. A laser sensor uses a laser to hit upon the object or maybe its exact distance. These sensors are divided and categorized into different types with digital or analog output.

Generally speaking, according to the detection principle, laser sensors fall into four categories as follows:

  • Reflective laser sensor: It emits a laser beam toward the object by the emitter and takes the reflected beam from the surface by the receiver. Both emitter and receiver are in a single housing.
  • Retro-reflective laser sensor: It contains an emitter and a receiver in a single housing. A signal beam is formed between emitter and receiver by a reflector. An interruption in the signal by an object will be detected by the sensor which leads to its recognition.
  • Through-beam laser sensor: It emits the laser beam from the emitter toward the receiver in a separate housing. The sensor detects objects by sensing whether the laser beam emitted from the emitter has been interrupted by them or not
  • Laser distance sensor: It consists of an emitter, receiver and receiver lens in a single housing. The emitter emits a laser beam and receives the reflected light from the surface. According to the change in the light entry angle by the receiver, the sensor can recognize the changes in the distance to the target.

Laser sensors may be used in many instances wherein there may be a great distance between the sensor and the object alongside dust or awful environmental situations. In deciding on this type of sensor, you must take note of the output kind, transfer kind, electricity source, distance, and operation.

There is a wide variety of laser sensors available in our stock. You may browse them here. In case you faced any questions about laser sensors or even technical issues related to it, our experts will be honored to help. Contact us today: +9714337738

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Laser Sensor [Working Principle, Types, Features, Applications]

 

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