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Pepperl & Fuchs introduces DK50-UV luminescence sensors

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January 24, 2010 - Pepperl+Fuchs introduces DK50-UV Luminescence Sensors. The DK50-UV series provide a simple and reliable means of error checking, sorting, measuring, and positioning materials that blend into a background or are invisible. They detect marks such as inks, pigments, dyes, coatings, and adhesives, even on irregular backgrounds, and deliver an industry leading (luminescence sensor) sensing range of 600 mm in a housing that is 50% smaller than previous generation luminescence sensors. A small focal point of light spot means that even small parts such o-rings, pin-point leaks and invisible markings, can be detected down to 2.2 mm diameter targets. These sensors are UL and cUL listed.

DK50-UV luminescence sensors feature up to four automatic teach modes and one manual teach mode, enabling users to customize the sensor to the application (detecting targets, or distinguishing between targets), and to the user (hands-on, or hands-off). Additionally, the DK50-UV features a graphical, user-friendly 8-segment LED display that indicates luminescent signal strength, an output mode toggle for quick adjustments, and an integral timer that allows slower controllers to react to sensor output. They also deliver the industry’s best sensing range relative to housing volume; meaning that there are some smaller competitive models today, but with a significantly shorter available sensing range and limited functionality than is delivered with the DK50-UV.

DK50-UV luminescence sensors are well suited for use in any number of industries and applications, including packaging, with potential applications that include:

verifying the presence of tamperproof seals

aligning bottle sleeves to labels

sensing labels on cartons

measuring the amount of glue on a carton flap

confirming the presence of a packing slip in a carton

Additional potential markets of interest include carpet and textiles, lumber and error proofing, for applications such as:

detecting fluorescent threading stitched in a web of carpet or cloth

identifying lumber grades by chalk markings

checking the integrity of weld seams via a luminescent test liquid

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