Features
Das color2view vereint intuitive Navigation, bahnbrechende technische Leistung und vielfältige Messmethoden - 45°c:0° Farbe, 20°/60° Glanz und Fluoreszenz - in einem Tisch-Spektralphotometer.
Technische Eigenschaften
Technische Eigenschaften
Color Measurement
Glanzmessung
20° | 60° | |
---|---|---|
Measurement Range | 0 - 100 GU | 0 - 100 GU |
Aperture Size | 9 x 10 mm | 9 x 16 mm |
Repeatability | 0 - 100 GU: ± 0.2 GU | 0 - 20 GU: ± 0.1 GU 20 - 100 GU: ± 0.2 GU |
Reproducibility | 0 - 100 GU: ± 1.0 GU | 0 - 20 GU: ± 0.5 GU 20 - 100 GU: ± 1.0 GU |
Available for Aperture | 32 mm, 12 mm | 32 mm |
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The basic building blocks of color measurement
Visual color perception is influenced by our individual color preferences, which are dependent on personal factors (mood, age, gender etc.), environment (lighting, surrounding etc.) as well as our ability to communicate color and color differences. A color looks different in the department store (cool white fluorescent lighting) than at home (warm, incandescent lighting). In order to guarantee consistent color and appearance under all possible circumstances, it is essential to standardize light source, observer and understand the spectral remission data of the object. This information will be the basis for calculation of colorimetric data as it is used for color communication and color QC in production.
Read moreColor Difference Equations for Solid Colors
It is now almost 100 years since, in 1931, the CIE Yxy chromaticity color space was defined by the “International Commission on Illumination (CIE)”. To overcome its limitations of not being uniform, the CIE recommended two alternate color spaces since then: CIELAB (or CIE 1976 L*a*b*) and CIELUV (or CIE L*u*v*). They are based on the opponent color theory of color vision, which says that two colors cannot be both green and red at the same time, nor blue and yellow at the same time. During the last years developments of new color difference equations and color spaces were carried out. Their goal was to improve the correlation between visual perception and instrumentally measured values. Additionally, they wanted to permit the use of a single number tolerance for all colors.
Read moreFarbmessung fluoreszierender Farben – eine HERAUSFORDERUNG
Die Welt um uns herum ist hell und bunt. Speziell Neonfarben sind seit einigen Jahren wieder in Mode. Voraussetzung dafür ist der Einsatz von fluoreszierenden Farbstoffen in der Lack-, Kunststoff- und vielen weiteren Industrien. Obwohl diese schon seit vielen Jahren breite Anwendung finden, stellt die Qualitäts kontrolle von fluoreszierendem Material immer noch eine große Herausforderung dar. Der folgende Artikel beschreibt die theoretischen Hintergründe zur Fluoreszenz, warum ein klassisches Spektralfotometer nicht für die Qualitätskontrolle von fluoreszentem Material geeignet ist und welche Möglichkeiten die neue Kombination aus Spektralfotometer und Fluorimeter bietet – besonders hinsichtlich der Vorhersage der Lichtbeständigkeit eines Materials.
Read moreZubehör
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