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SICK - The pioneer in contrast sensors for over 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 wide range of device types with various contrast resolution methods and teach-in versions is available to meet wide-ranging requirements.
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Portlet 1
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KT10-2
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The industry choice for high-speed and precision mark detection
- Very low jitter (<10 μs)
- Precise light spot
- Best contrast resolution thanks to 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 2
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KT8
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Laser contrast sensor and CAN communication
- Laser version offers sensing distances of 30 mm to 800 mm
- Very small and precise laser light spot (Class II)
- Fast switching frequency of 17 kHz
- Detection reliability displayed in the bar graph display
- CAN interface version for parameter setup, diagnostics and function selection
- Very precise light spot
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Portlet 3
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KT5-2
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Contrast sensor in standard metal housing
- Best contrast resolution thanks to RGB LED technology
- Intuitive 10-segment bar display indicates the detection reliability
- Dynamic or static teach-in method or manual potentiometer
- Switching frequency of 10,000/s
- Automatic gloss adjustment for highly reflective materials
- Various sensing distances and light spot directions
- M12 plug can be rotated 180°
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Portlet 4
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KT6-2
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High-performance and tough metal housing for intelligent contrast detection
- 3-color, RGB LED technology
- Two-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 5
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KT3
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High-performance contrast sensors in a compact housing
- Very small housing
- RGB 3-color technology
- Laser version with long sensing distance
- Simple teach-in (when machine is stopped or during operation)
- Integrated switching threshold adjustment for high-gloss objects
- Reliable operation for jittering materials
- Quick 10 kHz switching frequency
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Portlet 6
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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
- Sensitivity can be adjusted 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 7
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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 and dark switching options
- Adjustment via potentiometer
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Portlet 8
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Portlet 9
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Portlet 10
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Portlet 11
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Portlet 12
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Portlet 13
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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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