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  • Light-Grid Sensor
Mar 2008
SICK Inc.Request Info
MINNEAPOLIS, Minn., March 20, 2008 -- Sick Inc. said its new HLG automation light-grid sensor features high resolution and fast switching speeds, making it ideal for part counting and leading-edge detection on a conveyor.

The HLG offers a higher resolution than the company's existing ELG light grids, resulting in a much smaller minimum detectable object (MDO) size of 2 mm, Sick said. The HLG is a through-beam style switching light grid; according to the company, the sensor provides a fast and reliable switching output any time one of the beams is blocked.

SickHLG.jpgThe HLG is self-sufficient, Sick said, with no external controller box. All processing is done internally to the light grid, resulting in a fast response time, easy instillation, quick and simple commissioning, and lower cost. Another benefit, Sick said, is that the sensor's rugged aluminum housing can withstand punishing industrial environments.

Cable synchronization of the HLG provides quick and easy setup and very fast product detection, the company said, and teach-in automatic sensitivity adjustment allows for the detection of translucent objects and wrappings for more precision.

For more information, visit:; e-mail:

Sick Inc.
6900 W. 110th St.
Minneapolis, MN 55438
Phone: (952) 941-6780
Fax: (952) 941-9287


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The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
1. A generic term for detector. 2. A complete optical/mechanical/electronic system that contains some form of radiation detector.
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