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Germany Leuze Retro-reflective photoelectric sensors PRK318B/4P-M12 Product Details:
Retro-reflective photoelectric sensors
The reflection principle is adopted: the transmitter and receiver are in the same housing, and the reflectors are located opposite to each other.
Retro-reflective photoelectric sensor with polarizing filter
Optical sensors use light in various forms to perform detection tasks. For all applications that can be solved with optics, we offer a range of reliable and efficient sensor solutions. The detection of objects of different surfaces, sizes and colors requires different functional principles, such as through-beam sensors, retro-reflective photoelectric sensors or reflective sensors. Usually, all different operating principles are included in one series (large and small sizes). Universal series can also provide extended variants and other useful functions.
Retro-reflective photoelectric sensors
The reflection principle is adopted: the transmitter and receiver are in the same housing, and the reflectors are located opposite to each other.
l Even mirror-reflective objects can be reliably detected
l High-precision positioning through extremely small laser spots
Optimized for transparent objects
l Reliable detection of highly transparent objects
l Pollution compensation through integrated tracking
Especially suitable for reflective objects
l Reliable detection of highly scattering objects wrapped in film
l Adjustable sensitivity when detecting transparent containers
Leuze development history:
1963 The innovative history of Leuze began with the founding of the Leuze Textile weaving factory in Owen/Teck in 1963. There, six people developed the first Leuze electronic sensors.
1960s Developed Leuze's smallest reflection probe, RK 06/1, and entered the printing industry.
1970s The result is the first Leuze retro-reflective photoelectric sensor RK18, which is suitable for use under the most adverse environmental conditions, for example in brickworks or the timber industry.
For the first time, the pulling cables in warehouse logistics are replaced by contactless data transmission. This is when the first data transmission light barrier is born: the Leuze DDLS 78.
1980s The development of the PRK 72, the first retro-reflective photoelectric sensor with contactless reflective head, enabled Leuze to enter the packaging industry and soon also the beverage filling sector.
Leuze develops polarization filters for distinguishing transparent objects. Leuze transfers this expertise to other applications such as labeling machines, for which it develops the first label recognition fork, the GS 5.
An important milestone was the development of the SLS 89, the first safety light grid for access protection. It was with this product that Leuze began to develop into a specialist for safety products and services.
1990s Leuze first develops a laser scanner based on the triangulation principle. The RS 2 is born. Leuze's first barcode positioning system BCL 21 and the smallest industrial barcode reader BCL 8 are also born. Based on its safety and protection expertise, Leuze develops the SRK 96, the first safety reflective light grid from Leuze that can achieve access protection with only one-sided wiring.
Early 21st century Leuze further strengthens its safety and protection expertise and develops the first TOF laser scanner RS 4 in measurement and safety models. Leuze also creates the AS-Interface communication protocol and becomes a founding member of the user organization and the IO-Link Alliance.
This is followed by another first in the field of fork sensors: The GSU 14 is the fastest and most accurate fork sensor for label recognition from Leuze. It also uses a completely new detection principle: ultrasound.
2010s The BCL 300i sets a further technological milestone as the first barcode reader that does not require an additional gateway, while the CML 700i is the fastest-responding light curtain from Leuze.
The further development of the Leuze RS 4 safety and protection product is the RSL 400 safety laser scanner, which features the largest detection range, two independent protective functions: It is available in different versions and can be networked using Profinet.
Smart process gating is based on our MLC 530 safety light curtains and enables innovative access protection for conveyor paths without the use of muting sensors.
2020s With the DRT 25C, which is based on new benchmark technology and the comparative adaptive teach-in CAT, Leuze has created a completely new operating principle in the field of switch sensors.
For labelling machines, Leuze combines the two detection principles of light and ultrasound in one compact sensor and develops the GSXU 14E combined fork sensor, which was the first photoelectric fork sensor and later became the first ultrasonic fork sensor.
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