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ITE Grayscale Chart II(Gamma = 1)

ITE Grayscale Chart II(Gamma = 1) Instructions Operating Manual ITE Grayscale Chart II(Gamma = 1) PDF
This ITE Grayscale Chart II(Gamma = 1) Instrument are Certified with
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The YE084 is designed for the evaluation of the halftone reproduction of an electronic camera. Two 11-graduated counter current gray scales are arranged on a gray background (D≈0.65), the gray scales being graduated linear. Related to the densities of the gray scales: gamma = 1. The contrast range of the gray scales is 40:1.

Properties
Type selectable
Format selectable
Aspect ratio 4:3

The values of the 11-graduated gray scales are the follows:

 
Step Density Reflectance in %
1 0.05 89
2 0.10 80
3 0.14 72
4 0.20 63
5 0.26 54
6 0.34 45
7 0.43 37
8 0.55 28
9 0.71 19
10 0.96 11
11 1.65 2

The density of the white filed between the gray scales is D = 0.05 (reflectance = 89%).

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FAQs About  Grayscale Charts

There is no generic mathematical formula for gloss value. Rather, it is measured directly with a gloss meter, which compares how strongly reflected light from a sample matches a standard (typically black glass with a known reflectance).


Inaccurate color rendering, mismatched results, and noncompliance with ISO 3664 or ASTM D1729 can occur when there are deviations.

a. If this phenomenon occurred, it means the battery power is not enough. You need to charge the battery.

b. When charge the battery, please insert the battery to the instrument, and plug in the adapter to charge the battery. After 5 minutes, the instrument can be turned on.

c. If the instrument still cannot be turned on after charging 5 minutes, you can pull out the adapter and re-plug in to check it. Or repeat this operation.

d. If the instrument still cannot be turned on after charging 5 minutes, you can turn off the colorimeter and turn on it again to check it. Or repeat this operation.

e. If you have tried all the methods above but the colorimeter still cannot be turned on, please change the battery.

Because color perception depends on the following factors: 

Light source - For example, incandescent lamps emit orange light, while fluorescent lamps emit cool white light. Therefore, placing an object near different light sources will result in different perceived colors. 

Observed object - Different types of objects affect color perception differently. Examples include opaque objects, translucent objects, and transparent objects. 

Observer's position - Each observer will describe colors differently based on the position of their eyes. 

Different backgrounds - An object's color will appear duller against a light-colored background than against a dark-colored background. Different directions of light reflection from the object - Light reflected from different directions creates different color perceptions. This is particularly noticeable with metallic objects.

Different directions of light reflection from the object - Light reflected from different directions creates different color perceptions. This is particularly noticeable with metallic objects.

Daylight, store light, home light, and UV fluorescence light sources are included in Pantone light boxes as D65, TL84, CWF, A, and UV. 


D/8°and 45°/0°are two kinds of illumination geometry with different optical geometry design. D/8°illumination geometry is more widely used for the color comparison and measurement of high-gloss materials; 45°/0°illumination geometry is mainly used in printing and packaging industries. 

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