High-precision colour mark detection

September 2011 Sensors & Transducers

ASSTech Electronics & Instrumentation has introduced the Spectro-3-FIO colour mark detector using reflected light optical fibres that allow the sensor to be employed in Ex areas.

A super-bright LED is directed onto the colour mark to be detected using optical attachments and fibres designed for high precision. An integrated 3-channel receiver detects the red, green and blue content of the light that is reflected from the object, or the light that is emitted by a self-luminous object. A special feature is the gain of the receiver that can be set at eight levels, making it possible to adjust the sensor optimally for almost any surface. Using the Teach button provided on the housing, the sensor can ‘learn’ up to 31 colours.

All parameters and measurement values can be exchanged between a PC and the colour sensor through the serial RS232 interface. Once set, the sensor continues to operate with the current parameters in standalone mode without the PC.

For more information contact Anastas Schnippenkotter, ASSTech Process Electronics & Instrumentation, +27 (0)11 708 9200, [email protected], www.asstech.co.za

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