EXact X-Rite User's Guide download pdf (Page 45)

X-Rite eXact™ Instrument

Reflectance Graph Function Setting

Tap the Reflectance Graph button and set the Y-Axis Range for reflectance measurements.

Options are: 0% - 100% and 0.00 – 1.00.

Reflectance Graph Measurement

The reflectance graph function displays a reflectance graph for measured data. Reflectance data is

displayed in 10nm increments, from 400 to 700 nanometers.

1. Select Reflective Graph function.

2. Measure sample.

3. View data.

BestMatch Function

This function indicates if you can get a closer match (in Delta E) to a standard color by adjusting

the ink thickness (offset printing) or concentration (flexo and gravure printing) on-press.

The illustration below shows the BestMatch function with the aid of the CIELAB color space using

an example of two different shades of green.

Color axis: Colorimetric axis to adjust color by ink thickness.

BestMatch point: Best possible color (e.g. green) that can be achieved by adjusting ink

thickness or concentration.

Simulated color and timestamp

of reading displayed

Function and Measurement

Condition selected

Reflectance graph

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EXact X-Rite User's Guide Page 45