Leuze boasts the world's smallest contrast sensor
01 October 2010
Contrast sensors, also referred to as contrast scanners, are widely used in packaging machinery and automation technology for the detection of print registration marks. Leuze electronic offers a wide range of contrast sensors in a variety of housings, but its new KRT 3B contrast sensor is believed to be the smallest in the World, fitting within what Leuze calls a ‘3 series’ housing.
Performance features include extremely short response times of 50 µs and high repeatability, while IO-link capa
Furthermore, the switching thresholds ascertained via teach-in can be changed during running operation in 4% increments with EasyTune. This online switching-threshold correction, makes it possible to respond to modified process parameters without performing a new teach-in.
Another special feature is ‘YellowBoost’, a system developed by Leuze to optimise contrast detection in the white-light version of the contrast sensor. Although this affects all wavelengths, smoothing of the signal deviation is strongest in the yellow-light range, hence the name.
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