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X-Rite eXact Spectrophotometer Application Practice - Best Match!

Release Time： 2022-12-02 17:36:01.080

　　For every print job, we face the challenge of meeting the "target." The print buyer provides target data—chromaticity, density, color difference—or a target sample, or an international standard like Gracol 2006/Gracol 2013, Fogra 39/Fogra 51…

　　So, how do you meet these targets in production?

　　X-Rite eXact's "Best Match" function helps us easily meet the target.

　　Best Match

　　Using eXact's Best Match function, press operators can more easily maintain consistent ink color on the sheet before color variations appear. During press operation, with a single click, the operator can see density information and ink adjustment suggestions to achieve the best match. Integrating multiple Pantone libraries provides an easy way to accurately measure spot colors.

　　Substrate type options for setting Best Match measurements are: glossy coated paper and matte paper.

　　Best Match Measurement

　　Whether or not Best Match is used for correction, Best Match measurement will display the sample's color difference as a standard state.

　　1. Select the Best Match function.

　　2. Measure the paper.

　　3. Tap the measurement standard icon or tap the standard icon to enter the screen where you can measure from the library or select a standard.

　　4. Measure the standard, use the last reading, or select from the PANTONE library.

　　5. Tap the "Return" icon to return to the measurement screen.

　　6. Measure the comparison sample.

　　7. View the measurement results.

　　(As shown in the image above)

　　Left screen

　　The first value is the current Delta E of the current standard sample. The smallest number represents the measured density response and spot ink value. The arrow indicates the direction in which the density should be adjusted.

　　Depending on the Best Match function settings selected, glossy coated paper or matte paper is displayed in the lower left corner. This will affect the formula for estimating the correction. This should be set according to the measured substrate.

　　Right screen

　　The first value represents the estimated color difference after the suggested adjustment is made. The second value is the suggested density adjustment (positive or negative).

　　This function also allows us to easily find the optimal ink density and tells us how to achieve it.

　　X-Rite eXact has three versions; only the standard and advanced versions support the "Best Match" function.

　　X-Rite eXact Handheld Spectrophotometer

　　X-Rite eXact is a new generation of handheld color measurement solutions, adapting to new business needs and the dynamics of the global supply chain. X-Rite eXact allows printing plants and packaging converters to truly understand, control, and manage color within the entire color network, ensuring optimal color accuracy.

　　X-Rite eXact Density Version: Suitable for those who want a traditional toolset and the ability to add more functional options as their needs change for CMYK operation.

　　X-Rite eXact Standard Version: Ensures accurate CMYK and spot color printing and leverages industry-standard spectrophotometry in process control.

　　X-Rite eXact Advanced Version: Ensures that ink labs, quality control labs, and manufacturing partners obtain the highest quality spectrophotometer with the broadest toolset.

　　-end-

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