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February 1, 1999

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Product News - Photoelectric Sensors Based On New Optical Technology; LuminescenceDetector Also New

Photoelectric Sensors Based On New Optical Technology; Luminescence Detector

Also New

pn82-99.jpgBalluff has introduced a new family of photoelectric sensors based on the 'latest advancements' in optical technology, as well as a compact luminescence detector. 

Photoelectric sensor The BOS-SDS5 family of photoelectric sensors are said to provide an extremely wide field of vision regardless of target size or color. In addition, the new optics reportedly provide increased tolerance to target vibration and enhanced background suppression capabilities.

The 18-mm tubular style sensors are available in dc or ac/dc versions with attached cable or quick-disconnect Micro-style connector. Optional fixed or adjustable sensing distance is said to increase application flexibility.

The dc units operate from 10 to 30 v dc with switching rates up to 1.5 kHz and are short circuit and reverse polarity protected. The ac/dc versions operate from 15 to 264 v ac or 15 to 30 v dc with solid-state outputs.

Visible red light emission and status LEDs indicating output and stability conditions aid in set up. With prices starting at around $100, these sensors are said to provide affordable counting, presence and proximity detection for such applications as materials handling and packaging, as well as metal stamping, automotive and robotics.

PN 7 2-99Luminescence detectors, dubbed LDµ, are claimed to read UV markings, labels or guides at response times up to 250 microseconds on such highly   reflective surfaces as mirrors, bottles, metals, ceramics and polished wood.

LDµ luminescence detectors can be used to verify seals and bonds in packaging and medical assemblies, provide presence and position sensing, enhance quality control and perform part counting and product identification.

The rapid response time makes them ideal for high-speed production lines and a solid-state UV light source provides more than 100,000 hr of service.

In operation, the detector emits a 380nm UV light that is converted to visible light upon striking a luminescent object or mark. The reflection is detected by a receiver through a filter that 'sees' only visible light produced by fluorescence, making the unit totally insensitive to other light sources.

Push-button-programmable units can be configured for operating distances from 9 to 30mm, spot diameters from 5 to 7mm. Output and error LEDs are included. Selectable features include 20 microsecond delay, PNP/NPN output logic and keyboard lock function.

Cable versions allow remote programming and selection between four EEPROM-stored settings for quick process changes. Connector versions have a three-position connection block for optimum cable routing.

LDµ luminescence detectors offer an analog output that is proportional to the reflected light received. They operate on 10 to 30 v dc supply voltage and are protected against short circuit and reverse polarity. Metal housing is sealed to IP67 standards. Prices start at around $900.

Balluff Inc.
Florence, KY

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