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26 Mar, 2023 732 Views Author: Cherry Shen

Application of colorimeter to color difference

The birth of colorimeter is to detect color difference and bring more convenience to industrial production to reduce the loss caused by color difference. People in modern life have higher and higher requirements for the color of goods. Simple color difference may break the image of a brand in the minds of consumers, which has a great impact on its reputation. The development and use of color difference instrument is an inevitable trend.

Color difference is simply color difference. The reason is that monochromatic light does not produce color difference when polychromatic light is the light source. The wavelength of visible light is between 400-700nm, and the color reflected by different wavelengths is different. The purpose of using color difference meter is to find out these color differences in time and find out the causes of color differences and solve them, so as to avoid more serious color problems and control the color quality of products.

In fact, we know that the factors that affect the color change of the product include brightness, hue and saturation. As long as we control the three factors well, we can easily control the color change. The function of color difference meter is to quantitatively represent the difference of color perception. That is to say, they are expressed in the form of numbers from the differences of the three color attributes of brightness, hue and chroma.

The lightness (L *) indicates the difference between black and white, that is, the depth of the color, the hue (H *) indicates the difference between the hue, that is, the difference between red and blue, etc., and the chroma (C *) indicates the difference between the brightness of the color.

The evaluation of color difference is very important in industry and commerce. It is mainly used for color matching in production and color quality control of products. The modern color difference evaluation is based on the standard color difference formula recommended by the International Illumination Association (CIE), and is measured and calculated by color difference meter and computer, and expressed by accurate numbers. Commonly used such as CIE 1976L * a * b * and CIE 1976L * u * v * color difference formula.

Another kind of color difference is that products of different materials, different lines and different shapes may have different colors even if they use the same batch and formula of dyeing. The main reason is that the color is the reflection of light on the object, and the shape and lines are different, When the light shines on it, the reflected light path must be different from the color information fed back to the brain after being captured by the naked eye.

Color difference, the interpretation of “Ci Hai” refers to the difference between two colors, that is, the comprehensive difference of hue, saturation and brightness. It is the most reasonable and scientific way to use color difference meter to control color change in these three aspects.

LISUN lauched Portable Colorimeter/Chroma Meter is an innovation color measuring tool with powerful configuration to make color measurement easier and more professional; It support Bluetooth to connect with Android and ISO devices, Portable Colorimeter/Chroma Meter will take you into a new world of color management; It can be widely used to measure color value, color difference value and find similar color from color cards for printing industry, paint industry, textile industry, etc.

Application of colorimeter to color difference

CD-320PRO_Portable Colorimeter/Chroma Meter

Lisun Instruments Limited was found by LISUN GROUP in 2003. LISUN quality system has been strictly certified by ISO9001:2015. As a CIE Membership, LISUN products are designed based on CIE, IEC and other international or national standards. All products passed CE certificate and authenticated by the third party lab.

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