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A sensor that uses a light band can monitor a considerably greater area than traditional photoelectric sensors that use a dot-shaped light spot. Combining a PinPoint LED with specific optics produces the light band.
A steady light band is produced between the photoelectric sensor and reflector as a result. Using an optical flat and a monochromatic light source to create light bands is a simple but effective way to measure how flat a surface is.
An array of FSRs integrated inside a flexible strap make up the sensor band. Four FSR sensors, type FSR-402, with a measurement range of 0.1 to 10 N, are used in the current configuration.
Lead sulphide (PbS), lead selenide (PbSe), and indium antimonide (InSb), which detect infrared light, are among the materials used as semiconductor substrates. Cadmium sulphide is the most widely utilised photoresistive light sensor material (Cds).
The Global Light-band sensors market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
Wenglor introduces retro-reflex sensors with Light Band Technology for a more flexible production and greater system availability.
The objective is to create a single sensor that accurately identifies the front edges of items with a variety of shapes, as well as irregular or asymmetrical objects (such as those used in intralogistics), even dark, translucent, or glossy objects, at a distance of up to 1.6 metres.
There are three types available for various light band heights, user comfort levels, and unique logistical features. They can, for instance, avoid bottlenecks and snarls in warehouse operations.
As two-dimensional light barriers with homogenous laser light bands, the sensors with light band P1EL100 (27mm light band height), P1EL200 (42mm), and P1EL300 (54mm) have been developed.
By depressing a key, they can be swiftly trained. The key is placed in a slightly recessed region on the housing to prevent accidental contact and to enable flush placement.
Conveyor belts are an excellent use for the teach-in key because irregular conveyor belt portions may be readily suppressed.
Additionally, the sensor’s plug can be turned up to 180 degrees for flexible installation and to accommodate press-fit sleeves, M4 through-bolts, and corresponding mounting brackets.
