Pepperl+Fuchs Blog

Fiber Optic Cables for Photoelectric Sensors: The Best Thing Since Sliced Bread

Posted by Joan Kassan on Wed, Mar 06, 2013

Photoelectric sensors are used in a diverse combination of applications and industries. While most applications operate at a temperature range that falls between -13 °F and +150 °F,  many industries have applications that are located in extremely harsh environments and temperature ranges that fall well above and below these levels.

Glass fiber optic cables are used with photoelectric sensorsSometimes it's possible to build an enclosure to protect and insulate the sensor, or perhaps include some type of cooling or heating device. But this isn't always a viable option. Many times space is limited and the price to fabricate such enclosures and mechanisms are not cost effective.

Fortunately, there's another option that's easier and less costly: glass fiber optic cables.

Pepperl+Fuchs' glass fiber-optic cables are constructed of tiny strands of glass that are bundled together inside an application-specific sheathing like stainless steel for durability and high temperatures. They are attached to certain photoelectric sensors and guide light from the sensing head to the target. Basically, they enable you to use a photoelectric sensor in areas where you wouldn’t normally be able to use them. The sensors are available with a wide range of housings, mounting styles, and features for your specific application.

Glass fiber-optic cables have an impressive temperature range, as low as -40 °F and up to +900 °F. That's because the cables have no electrical components. They merely act as a conduit, or light guide between the target and the sensor. So, they can be used in high-temperature applications like furnaces, ovens, and condensers in large engines, and they can also be used in extremely low temperature areas such as cold storage warehouses.

Even more, glass fiber optic cables are optimized for small spaces and small targets. They can be used with both visible red and infrared light and are compatible with a long list of fiber heads. And because glass cores are efficient at transmitting light, they can be used at long sensing distances.
Glass fiber optic cables are extremely versatile and robust and are available in a mix of configurations, end fittings, and adapter types.

Free Download: Photoelectric  Fiber Optic Sensors and Cables

Topics: Cables/ Cordsets, Photoelectric Sensors

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