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Sample (size) length |
Diameter ≥30 mm, Thickness ≤ 40 mm
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Measurement mode |
Diffuse reflection factor Rx, Ry, Rz, stimulus value Y10, X10, Z10, chromaticity coordinates x10, y10, z10; lightness L *, chroma a * b *, chroma C * ab, hue angle h * ab, dominant wavelength λd, excitement purity Pe, color difference ΔE * ab, lightness difference ΔL *, chroma difference ΔC * ab, hue difference ΔH * ab, Hunter system L , A, b
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Stability |
≤ 0.1 within 30 min
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Accuracy |
Chromaticity co-ordinate 0.0001
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Repeatability |
Rx, Ry and Rz s ≤ 0.1 chromaticity co-ordinate s ≤ 0.0010, R457 s ≤ 0.10
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System |
D/0 lighting geometrical viewing conditions, diffuser diameter (d) 150 mm, testing hole diameter 30 mm
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Light measurement |
CIE whiteness (Ganz whiteness W10, Color cast value TW10), WH hunter whiteness, YI Yellowness, ISO brightness R457
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Storage |
9 reference samples
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Dimension (L*W*H) |
360 × 264 × 400 mm
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Net weight |
23 kg
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Power supply |
220 V ± 10 %, 50 Hz
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Stimulate D65 illuminator to illuminate
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Measurement of the opacity, transparency
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Determination of light scattering coefficient ‘S’ and optical absorption coefficient ‘A ‘
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Measuring ink absorption value
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Measures WH hunter whiteness, YI Yellowness, CIE whiteness
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Use of large screen color touch LCD to view measurement, statistical data
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User-friendly data operations
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Equipped with RS232 interface, with PC connections for data communication
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Power protection, No loss of data on power off
Whiteness & color tester is used to measure color values, brightness, whiteness in papermaking, printing, ceramics, chemicals, textile printing and dyeing, building materials, food, salt and other industries.
