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SICK – The pioneer in contrast sensors for more than 60 years
Contrast sensors are primarily used in packaging/printing machines for the detection of printed or control marks. SICK's line of KT contrast sensors detects even the smallest contrasts at the highest speeds, such as print marks on foils or packaging. They detect minute grayscale variations between the mark and the background on matte, shiny or transparent surfaces. A variety of device types with different contrast resolution methods and teach-in versions are available to meet wide-ranging requirements.
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Portlet 1
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KT1M
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Simple – small – outstanding
- For detecting simple contrast differences, such as black marks on light backgrounds
- Small round housing with mounting accessories
- NPN and PNP models
- Light or dark switching options
- Adjustment via potentiometer
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Portlet 2
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KT2
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Contrast detection in tough, metal housing
- Small light spot
- Tough and compact metal housing
- Red or green emitted LED light versions
- Adjustment via potentiometer
- Light or dark switching can be selected via control cable
- Switching frequency of 10 kHz
- Two switching outputs (NPN and PNP) in one device
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Portlet 3
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KT3
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Compact and powerful contrast detection
- Very small housing
- 3-color RGB technology or white LED
- Simple teach-in (when machine is stopped or during operation)
- Integrated switching threshold adjustment for high-gloss objects
- Reliable operation for jittering materials
- 10 kHz switching frequency
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Portlet 4
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KT3L Laser
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Long sensing distance – precise detection
- Very small housing
- Precise, small laser spot
- Sensing distance up to 60 mm
- Simple 2-point teach-in
- Switching frequency of 1.5 kHz
- Reliable operation for jittering materials
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Portlet 5
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KT5-2 Potentiometer
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Contrast sensors with potentiometer setting
- Tough, metal housing
- Manual switching threshold adjustment with optical adjustment indicator
- Green or white LED technology
- Models with analog output
- Switching frequency of 10 kHz
- Various sensing distances and light spot directions
- M12 plug can be rotated 90°
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Portlet 6
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KT5-2 Teach-in
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Contrast sensors with easy teach-in
- Tough, metal housing
- Various teach-in methods via control panel or control cable
- Maximum detection reliability due to 3-color RGB LED technology
- Switching frequency of 10 kHz
- Various sensing distances and light spot directions
- M12 plug can be rotated 90°
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Portlet 7
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KT5-2 Display
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Contrast sensors with intelligent bar graph display
- Intuitive 10-segment bar graph display indicates detection status
- Static 2-point teach-in of mark and background via the control cable
- Maximum detection reliability due to 3-color RGB LED technology
- Switching frequency of 10 kHz
- Automatic gloss adjustment for highly reflective materials
- A range of sensing distances and light spots for numerous applications
- M12 plug can be rotated 90°
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Portlet 8
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KTL5-2 Fiber Optic
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Contrast sensors with fiber-optic cables
- Various heat-resistant fiber-optic cable models are available
- Various teach-in methods, including potentiometer
- Analog output
- Switching frequency of 10 kHz
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Portlet 9
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Portlet 10
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KT6-2
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High-performance in a tough metal housing for intelligent contrast detection
- 3-color RGB LED technology
- 2-point teach-in (mark and background)
- Tough, metal housing
- Automatic gloss adjustment for highly reflective materials
- 10 mm sensing distance
- Light exits at end or side, based on model
- Common mounting footprint
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Portlet 11
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KT8 CAN
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Contrast and communication without limits
- The CAN interface helps set parameters, process documentation and adaptation
- Automatic drift correction
- Fast response time
- Precise light spot
- 3-color RGB LED technology
- Two interchangeable light exits
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Portlet 12
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KT8L Laser
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Precise, flexible, quick
- Wide range of operating distances between 30 mm and 800 mm
- Small and precise laser light spot (Class II)
- Fast switching frequency of 17 kHz
- Analog output
- Simple teach-in
- Detection reliability displayed in the bar graph display
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Portlet 13
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KT10-2
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The industry choice for precise, high-speed mark detection
- Very low jitter (< 10 μs)
- Precise light spot
- Maximum detection reliability due to 3-color RGB LED technology
- Two interchangeable light exits
- Five storage banks for settings
- Automatic drift correction
- Fast switching frequency of 25 kHz
- Easy-to-read bar graph display
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Portlet 14
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Portlet 15
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Portlet 16
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Portlet 17
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Portlet 18
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Portlet 19
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Portlet 20
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