Sensors
Optical Sensors
Optical properties such as color and gloss have a significant influence on how end-users perceive the quality of a paper sheet. Honeywell color and gloss sensors provide accurate, repeatable, measurements which conform to industry standards.
Overview
What Is It?
Honeywell’s color sensor provides continuous scanning measurement of color, brightness, whiteness, and fluorescence, which are the foundation of color control. The gloss sensor provides accurate, repeatable gloss measurements which correlate with TAPPI standards.
How Does It Work?
The color sensor illuminates the sheet with two different light sources and uses two laboratory grade spectrometers to provide continuous measurement against a black and white backing to ensure accurate color measurement, despite weight and opacity variations.
The gloss sensor determines the fraction of incident light from an LED source that is reflected from a sheet when the angles of incidence and reflection are the same. A unique optical design minimizes sheet passline sensitivity to ensure accurate CD profile measurement.
What Problems Does It Solve?
Color measurement is the foundation for Honeywell’s color control, which utilizes a sophisticated decoupling strategy to control up to six dyes per color grade to minimize color rejects and color grade change time.
Online gloss measurement can be used as an input to Honeywell’s multivariable Advanced Finishing Technology to ensure consistent sheet gloss in both the machine and cross directions.
Color and gloss measurements can be sent to the cloud based QCS 4.0 solution for advanced monitoring, analysis, and further Quality Control System optimization.
Honeywell’s color sensor provides continuous scanning measurement of color, brightness, whiteness, and fluorescence, which are the foundation of color control. The gloss sensor provides accurate, repeatable gloss measurements which correlate with TAPPI standards.
How Does It Work?
The color sensor illuminates the sheet with two different light sources and uses two laboratory grade spectrometers to provide continuous measurement against a black and white backing to ensure accurate color measurement, despite weight and opacity variations.
The gloss sensor determines the fraction of incident light from an LED source that is reflected from a sheet when the angles of incidence and reflection are the same. A unique optical design minimizes sheet passline sensitivity to ensure accurate CD profile measurement.
What Problems Does It Solve?
Color measurement is the foundation for Honeywell’s color control, which utilizes a sophisticated decoupling strategy to control up to six dyes per color grade to minimize color rejects and color grade change time.
Online gloss measurement can be used as an input to Honeywell’s multivariable Advanced Finishing Technology to ensure consistent sheet gloss in both the machine and cross directions.
Color and gloss measurements can be sent to the cloud based QCS 4.0 solution for advanced monitoring, analysis, and further Quality Control System optimization.
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