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Color recognition sensors of the colorSENSOR series are applied to color detection applications. The sensors compare the current color of the measured object with the target colors that were set up via the sensor's Teach-In function.

colorSENSOR LT sensors operate using optical fibres directly on the target object, which therefore minimizes any adverse environmental effects on measurements. The color sensor can be placed at a safe distance using highly developed fibre optics close to the target object. The colorSENSOR OT series enables measurements at longer distances by means of fixed optics. The sensors detect all colors in a wide range of applications, including automation technology, packaging systems for pharmaceuticals, quality assurance, painting technology, surface labelling and printing technology.

The LED Analyzer colorCONTROL MFA provides function, color and intensity measurement of LEDs, lamps or illuminants simultaneously during the production process on up to 20 different detection positions.
Color Sensors
Unit of Measure
Items colorSENSOR OT Color Sensor
OT
colorSENSOR OT Color Sensor 		Color Sensors
ACS2-R45/0-28-1200
Circular Sensor 		Fibre-Optic Color Sensor
ACS3-TR5-200-1200
Fibre-Optic Color Sensor 		Fibre-Optic Color Sensor
ACS3-TR9-200-1200
Fibre-Optic Color Sensor 		Fibre-Optic Color Sensor
ACS3-TT15-200-1200
Fibre-Optic Color Sensor
Description N/A Color recognition using fixed optics at a distance from 10 to 800 mm N/A The circular sensor ACS2 is used for color measurement of structured and highly reflective surfaces as well as lustrous metals.

In the sensor, 24 lighting optics are circularly arranged around the receiving optics and provide a constant homogeneous lighting permitting that the measurement can be executed independently from the angular position of the measurement object. 		N/A The transmission sensor ACS3 is used to measure self-luminous and transparent objects like foil, glass and Plexiglas. For the color measurement of self-luminous objects, only a receiver unit is required. Measuring transparent objects requires transmitter (TT) and receiver unit (TR) which can be installed with a mounting set. N/A The transmission sensor ACS3 is used to measure self-luminous and transparent objects like foil, glass and Plexiglas. For the color measurement of self-luminous objects, only a receiver unit is required. Measuring transparent objects requires transmitter (TT) and receiver unit (TR) which can be installed with a mounting set. N/A The transmission sensor ACS3 is used to measure self-luminous and transparent objects like foil, glass and Plexiglas. For the color measurement of self-luminous objects, only a receiver unit is required. Measuring transparent objects requires transmitter (TT) and receiver unit (TR) which can be installed with a mounting set.
Color Difference N/A ≥ ΔE 0.5 N/A N/A N/A N/A
Model N/A N/A colorCONTROL ACS2 N/A colorCONTROL ACS3 N/A colorCONTROL ACS3 N/A colorCONTROL ACS3
Article Number N/A N/A 10824370 N/A 10824411 N/A 10824412 N/A 10824413
Measurement Geometry (Illumination/Receiver) N/A N/A 45º Circular/0º N/A Receiver N/A Receiver N/A Transmitter
Measurement Spot Diameter N/A N/A 5 mm N/A 5 mm for < 100 mm N/A 9 mm for < 200 mm N/A 15 mm for 200 mm
Optional Measurement Spot Diameter N/A N/A 9 mm N/A N/A N/A
Optimal Measurement Distance N/A N/A 28 mm N/A 10 to 100 mm N/A 10 to 200 mm N/A 10 to 200 mm
Permissible Measurement Distance N/A N/A ±1 mm of optimal measurement distance (ΔE<1) N/A 10 to 200 mm N/A 10 to 300 mm N/A 10 to 300 mm
Distance Tolerance N/A N/A 1 ΔE/mm N/A <0.005 ΔE/mm <0.01 ΔE/mm N/A <0.005 ΔE/mm <0.01 ΔE/mm N/A
Tilt Angular Tolerance N/A N/A <0.3 ΔE/º N/A <0.05 ΔE/º N/A <0.05 ΔE/º N/A
Ambient Light Tolerance at Maximum LED-Performance N/A N/A <0.3 ΔE/1000 lux N/A <0.05 ΔE/1000 lux N/A <0.05 ΔE/1000 lux N/A
Lens Diameter N/A N/A 115 x 65 mm N/A 22 x 40 mm N/A 22 x 40 mm N/A 30 x 96 mm
Weight (Sensor Including Optical Fiber) N/A N/A 822 g N/A 70 g N/A 70 g N/A 220 g
Length of Optical Fiber/Sensor Cable N/A N/A 1.2 m N/A 1.2 m N/A 1.2 m N/A 1.2 m
Maximum Length of Optical Fiber/Sensor Cable N/A N/A 1.8 m N/A 30 m N/A 30 m N/A 1.8 m
Bending Radius Sensor Cable N/A N/A 70 mm N/A 70 mm N/A 70 mm N/A 70 mm
Protection Class N/A N/A Ingress Protection (IP64) N/A Ingress Protection (IP64) N/A Ingress Protection (IP64) N/A Ingress Protection (IP64)
Operating Temperature N/A N/A -20 to +70 ºC N/A -20 to +70 ºC N/A -20 to +70 ºC N/A -20 to +70 ºC
Storage Temperature N/A N/A -20 to 70 ºC N/A -20 to 70 ºC N/A -20 to 70 ºC N/A -20 to 70 ºC
Shock Amplitude N/A N/A 15 g. N/A 15 g. N/A 15 g. N/A 15 g.
Shock Duration N/A N/A 6 ms N/A 6 ms N/A 6 ms N/A 6 ms
Note for Shock N/A N/A According to DIN EN 60068-2-29 N/A According to DIN EN 60068-2-29 N/A According to DIN EN 60068-2-29 N/A According to DIN EN 60068-2-29
Vibration Amplitude N/A N/A 2 g. N/A 2 g. N/A 2 g. N/A 2 g.
Vibration Frequency Range N/A N/A 10 to 500 Hz N/A 10 to 500 Hz N/A 10 to 500 Hz N/A 10 to 500 Hz
Note for Vibration N/A N/A According to DIN EN 60068-2-6 N/A According to DIN EN 60068-2-6 N/A According to DIN EN 60068-2-6 N/A According to DIN EN 60068-2-6
Features N/A N/A
  • Color measurement of structured, highly reflective surfaces and lustrous metals
  • Measurement distance: 28 mm
  • Measurement geometry: 45º circular/0º
  • Measurement spot: Ø5 mm
 		N/A
  • Measurement of self-luminous and transparent objects
  • Measurement distance: maximum 300mm
  • Measurement geometry: transmission
  • Measurement spot: Ø5/Ø9 mm (at a measurement distance up to 200 mm)
 		N/A
  • Measurement of self-luminous and transparent objects
  • Measurement distance: maximum 300mm
  • Measurement geometry: transmission
  • Measurement spot: Ø5/Ø9 mm (at a measurement distance up to 200 mm)
 		N/A
  • Measurement of self-luminous and transparent objects
  • Measurement distance: maximum 300mm
  • Measurement geometry: transmission
  • Measurement spot: Ø5/Ø9 mm (at a measurement distance up to 200 mm)
Application N/A
  • Color sensor for different surfaces such as matte, shiny or structured surfaces
 		N/A N/A N/A N/A
Additional Information N/A Automatic detection of cable strands in the production process. Position, amount and strands differ depending on the cable.

Due to a high rotational speed the wood turns dark.
Due to color recognition early in the process, this effect can be compensated for.

Monitoring of product packaging during the production process.

In the food processing industry, the degree of burning or browning of e.g. coffee or cookies, can be detected.

Detection of the color identity of painted attachments or body parts in automotive manufacturing e.g. to verify whether the color of the ultrasonic sensor is identical to the color of the bumper. 		N/A N/A N/A N/A
Advantages N/A
  • Simple quality checks
  • Simple and fast set up
  • Many sensors to suit any application
  • Optical fibre close to the object to be measured
  • Measurement at a safe distance from the object if required
 		N/A N/A N/A N/A
Note N/A N/A N/A For Measurement Spot Diameter:
  • Measurement spot diverges with growing distance between receiver and target
For Optimal Measurement Distance & Permissible Measurement Distance:
  • Valid in combination with ACS3-TT15-200 for the transmission measurement (transmitted light)
  • When measuring the transmission, the "optimal measurement distance" and the "permissible measurement distance" refer to the distance between transmitter and receiver.
    The sample can be at any position within the light curtain between transmitter and receiver.
For Distance Tolerance & Tilt Angular Tolerance:
  • <0.01 ΔE/mm: When using it as receiver sensor for illumination measurement
  • <0.005 ΔE/mm: Valid in combination with ACS3-TT15-200 for the transmission measurement (transmitted light)
  • Tilt angular tolerance and distance tolerance were determined in transmission with different color glass filters (thickness 2.5 mm, refraction index 1.5).
    When measuring the illumination (only receiver), these were determined with uniformly illuminated (Lambertian) diffuser by tilting the transmitter towards the receiver.
 		N/A For Measurement Spot Diameter:
  • Measurement spot diverges with growing distance between receiver and target
For Optimal Measurement Distance & Permissible Measurement Distance:
  • Valid in combination with ACS3-TT15-200 for the transmission measurement (transmitted light)
  • When measuring the transmission, the "optimal measurement distance" and the "permissible measurement distance" refer to the distance between transmitter and receiver.
    The sample can be at any position within the light curtain between transmitter and receiver.
For Distance Tolerance & Tilt Angular Tolerance:
  • <0.01 ΔE/mm: When using it as receiver sensor for illumination measurement
  • <0.005 ΔE/mm: Valid in combination with ACS3-TT15-200 for the transmission measurement (transmitted light)
  • Tilt angular tolerance and distance tolerance were determined in transmission with different color glass filters (thickness 2.5 mm, refraction index 1.5).
    When measuring the illumination (only receiver), these were determined with uniformly illuminated (Lambertian) diffuser by tilting the transmitter towards the receiver.
 		N/A For Measurement Spot Diameter:
  • Illumination spot diameter