Sensors & Transducers


Baumer's next generation optical sensors

September 2013 Sensors & Transducers

Baumer has expanded its range of NextGen sensors, with the O300 following from the introduction of the O500. Both series of optical sensors offer the similar performance, while the small O300 is especially suitable for systems with limited space. The O500 distinguishes itself in applications that require a greater range.

With the O300, Baumer is targeting the market for 25 mm sizes, which has become a standard used in a wide range of industries worldwide. Here, the O300 offers a range of services whilst simultaneously giving the highest level of reliability through extended power reserves. On the other hand, its insensitivity to ambient light allows the O300 to function perfectly under difficult lighting conditions. Also, fitted with the latest generation Baumer Opto-ASIC, it provides colour independent detection of objects.

The O300 sets the standard for ease of assembly. The light beam is already aligned with the mounting holes, reducing the adjustment required to an absolute minimum and saving on installation costs. The pressed metal sleeve also guarantees a robust and reliable installation, and when the new optical sensor is in operation, it impresses with its long service life thanks to a completely sealed and extremely stable housing.

The contactless teach-in method also contributes to its longevity. A conventional mechanical pressure switch with moving parts is usually used, which in the long term can suffer from wear and problems with leaks, but this is not possible with the qTeach facility in the O300 series. Contacting the teach surface with any ferromagnetic tool, for example a screwdriver, is enough to program the sensor. A blue LED light gives a clear visual feedback, which thanks to its exposed position on the head of the sensor, is clearly visible from all sides.

This new class of optical sensor employs three sensor principles. Firstly, the light sensor has background suppression, guaranteeing the greater reliability in object detection. Secondly, the retro-reflective sensor works reliably, even with reflective surfaces. It is characterised by an exceptionally long service life due to its increased resistance to dirt. And finally, SmartReflect, a technology developed by Baumer. This light barrier works without any separate reflector. With SmartReflect, downtime due to a defective or dirty reflector belongs in the past.



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