Registration Sensors

Registration sensors, sometimes referred to as contrast sensors, are sensors designed to detect the differentials of either light intensity, colour or some other contrast factor. As such they are considered vital when ensuring consistency or triggering machine processes in automated manufacturing. For example, an automated cutter might be triggered to cut at the detection of certain colour change in the material that is being cut.

The sensors are usually programmable to the user's requirements, often with the ability to set specific registration marks, and can be optimised for high-speed industrial production applications. Wherever precisely triggered actions are needed to respond to set parameters, registration sensors are usually an integral part of the control system.

What is the difference between colour sensors and contrast sensors?

Able to respond to the difference in the consistency of a material surface, contrast sensors can usually be programmed with an easy to use 'teach' function that allows the sensor to recognise both the mark and the background. As they are generally lightweight and easy to use, they are employed in a variety of mass production applications. Colour sensors essentially fulfil the same purpose as contrast sensors and in much the same way, except they are designed to recognise a specific colour, which may make them more suitable for tasks where the material being sensed has a distinctive colour markings.

What are light intensity sensors?

Light intensity sensors, or luminescence sensors, are designed to detect differences in the levels of light on a surface. While they can be used in much the same way as colour or contrast sensors, they are not able to specifically detect a certain colour or contrast in colour, but differences in light levels. As such, they are suited to more specialist environments and materials.


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Description Price Detection Range Light Source Output Type Maximum Current Switching Frequency Electrical Connection Communication Protocol Supply Voltage Terminal Type Housing Material Series IP Rating Interface Minimum Operating Temperature
RS Stock No. 800-4025
Mfr. Part No.KTM-WN11181P
BrandSick
PHP14,636.95
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12.5 mm Blue LED, Green LED, Red LED NPN 100 mA 15 kHz 4-Pin M8 Connector - 12 → 24 V dc - ABS KTM IP67 - -10°C
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Mfr. Part No.011.03
BrandFinder
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- - - - - Cable - 300/500 V - PVC 11 Series IP66, IP67 - -40°C
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Mfr. Part No.KT5W-2P1116
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PHP36,175.77
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10 mm RGB LED PNP 100 mA 10 kHz M12 Connector - 10 → 30 V dc 5-Pin Connector Die Cast Zinc KT5W IP67 - -10°C
RS Stock No. 263-8405
Mfr. Part No.KT5G-2P1111
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PHP20,095.05
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10 mm Green LED PNP 100 mA 10 kHz M12 Connector - 10 → 30 V dc - Die Cast Zinc KT5G IP67 - -10°C
RS Stock No. 263-8427
Mfr. Part No.KT5G-2N1111
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PHP20,095.05
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10 mm Green LED NPN 100 mA 10 kHz M12 Connector - 10 → 30 V dc - Die Cast Zinc KT5G IP67 - -10°C
RS Stock No. 494-6871
Mfr. Part No.BLT 21M-001-P-S4
BrandBALLUFF
PHP27,908.87
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40 mm Ultraviolet LED PNP 30 mA 2 kHz M12 Connector - 10 → 30 V - Nickel Plated Gadolinium Zinc BLT IP67 - -10°C
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BrandBALLUFF
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0 → 700 mm Infrared PNP 100 mA 1 kHz 4-Pin M12 Connector - 10 → 30 V 4-Pin Connector PBT BOS 18KF IP67 - -25°C
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Mfr. Part No.KT5W-2N1116
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PHP22,548.51
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10 mm RGB LED NPN 100 mA 10 kHz M12 Connector - 10 → 30 V dc 5-Pin Connector Die Cast Zinc KT5W IP67 - -10°C
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Mfr. Part No.LUT9B-11626
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PHP81,820.55
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150 mm - NPN, PNP 100 mA 6.5 KHz Male Connector M12 - 10 → 30 V dc Male connector M12, 5-pin Metal LUT9 IP67 - -10°C
RS Stock No. 180-6339
Mfr. Part No.KTX-WP91141242ZZZZZZZZZZZZZZZ1
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PHP24,533.59
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13 mm RGB LED PNP 100 mA 50 kHz M12 Male Connector - 10.8 → 28.8 V dc M12 Male 4-pin Connector Vistal KTX IP67 - -20°C
RS Stock No. 800-4022
Mfr. Part No.KTM-WP11181P
BrandSick
PHP9,851.00
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12.5 mm Blue LED, Green LED, Red LED PNP 100 mA 15 kHz 4-Pin M8 Connector - 12 → 24 V dc - ABS KTM IP67 - -10°C
RS Stock No. 134-7839
Mfr. Part No.KTM-MP11181P
BrandSick
PHP9,618.08
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12.5 mm White LED PNP 50 mA 15 kHz 4-Pin M8 Connector - 12 → 24 V dc 4-Pin Connector ABS KTM IP67 - -10°C
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RS Stock No. 213-1775
Mfr. Part No.KTX-WB9114125UZZZZ
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PHP30,928.10
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13 mm - PUSH/PULL 100 mA 50 KHz Male Connector M12 - 10 → 30 V dc Male connector M12, 5-pin Plastic KTX Prime IP67 - -20°C
RS Stock No. 902-7114
Mfr. Part No.BOS 12M-PS-RD12-S4
BrandBALLUFF
PHP4,270.54
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1 → 200 mm Red LED PNP 100 mA 1 kHz M12 Connector - 10 → 30 V dc Connecter Nickel Plated Brass BOS 12M IP67 - -5°C
New
RS Stock No. 213-1801
Mfr. Part No.LUTM-UP817A1P
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PHP22,344.73
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12.5 mm - PNP 100 mA 6 KHz Male Connector M8 IO-LINK 12 → 24 V dc Male connector M8, 4-pin Plastic LUTM IP67 IO-Link -10°C
RS Stock No. 180-6344
Mfr. Part No.KTS-WB9114115AZZZZ
BrandSick
PHP23,074.04
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13 mm RGB LED Push-Pull 100 mA 50 kHz M12 Male Connector - 10.8 → 28.8 V dc M12 Male 5-pin Connector Vistal KTS IP67 - -20°C
New
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Mfr. Part No.LUT9U-11326
BrandSick
PHP75,577.37
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50 mm - NPN, PNP 100 mA 6.5 KHz Male Connector M12 - 10 → 30 V dc Male connector M12, 5-pin Metal LUT9 IP67 - -10°C
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RS Stock No. 213-1758
Mfr. Part No.KTM-WN117A1P
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PHP16,553.05
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12.5 mm - NPN 50 mA 15 KHz Male Connector M8 IO-LINK 12 → 24 V dc Male Connector M8, 4-Pin Plastic KTM Prime IP67 IO-Link -10°C
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Mfr. Part No.KTX-WP91241252ZZZZ
BrandSick
PHP30,928.10
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25 mm - PNP 100 mA 50 KHz Male Connector M12 - 10 → 30 V dc Male connector M12, 5-pin Plastic KTX Prime IP67 - -20°C
RS Stock No. 134-7831
Mfr. Part No.LUTM-UP817A2P
BrandSick
PHP14,055.36
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12.5 mm Ultraviolet LED PNP 50 mA 6 kHz 4-Pin M12 Male Connector - 12 → 24 V dc 4-Pin Connector ABS LUTM IP67 IO-Link -10°C