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Photoelectric sensor sees transparent objects

Posted: 23 Jan 2007 ?? ?Print Version ?Bookmark and Share

Keywords:sensors? photoelectric sensor? Balluff? autocollimation? optical axis?

The BOS 6K miniature photoelectric sensor from Balluff Inc. enables transparent objects to be reliably identified regardless of shape, color or composition. Measuring 32-by-20-by-12mm, the retroreflective sensor's extremely low hysteresis makes it particularly suitable for detecting transparent objects such as glass bottles, test tubes or transparent films in industrial and packaging applications.

The BOS 6K sensor is designed using the autocollimation principle. This means the emitter and receiver are on the same optical axis to ensure a high degree of switching accuracy, said the company. A built-in polarizing filter suppresses interference such as reflections, thus increasing process reliability.

In addition, the sensor's pulsed, visible red light increases ambient light rejection and makes setup and adjustment easier.

Available today, the BOS 6K photoelectric sensor is priced from $125 to $400, depending on the specific model.

- Gina Roos

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