You may find that a photoelectric beam sensor can have different sizes.
The different sizes that a photoelectric beam sensor can have are related to the application.
For example there are miniature photoelectric sensors, tiny and slim. They are suited for mounting in small spaces. But some models are still able to sense for 4 meters in opposed mode.

We could call the next size compact photoelectric detectors. They are about the size of a thumb.
And you can find them barrel or rectangular shaped. Still not so very big, they can cover already
30 meters in opposed mode. They are by far the most popular size.

The next type you could call mid-size photoelectric switches. Again they can be rectangular or barrel shaped.
Here the distance in opposed mode sensing goes up to 60 meters.

And last but not least you have also the full-size photoelectric proximity sensors. Most of these sensors are
rectangular shaped. They can cover up to 200 meters in opposed mode. Since they are bigger in size, these
sensors have more options available. Their size makes it possible to add the additional hardware inside.

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Industrial Automation Sensors - Photoelectric Beam Sensor


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