Sample (size) length |
Diameter ≥30 mm, Thickness ≤ 40 mm |
Sample width |
|
Measuring range |
|
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 |
Stability |
≤ 0.1 within 30 min |
Accuracy |
Chromaticity co-ordinate 0.0001 |
Tensile strength velocity |
|
Tensile return velocity |
|
Sample loading |
|
Clamp air pressure |
|
Repeatability |
Rx, Ry and Rz s ≤ 0.1 chromaticity co-ordinate s ≤ 0.0010, R457 s ≤ 0.10 |
System |
D/0 lighting geometrical viewing conditions, diffuser diameter (d) 150 mm, testing hole diameter 30 mm |
Light source |
|
Zero drift |
|
Indication drift |
|
Indication error |
|
Test speed |
|
Repeatability error |
|
Mirror reflection error |
|
Light measurement |
CIE whiteness (Ganz whiteness W10, Color cast value TW10), WH hunter whiteness, YI Yellowness, ISO brightness R457 |
Storage |
9 reference samples |
Dimension (L*W*H) |
360 × 264 × 400 mm |
Net weight |
23 kg |
Power supply |
220 V ± 10 %, 50 Hz |
- Stimulate D65 illuminator to illuminate
- Measurement of the opacity, transparency
- Determination of light scattering coefficient ‘S’ and optical absorption coefficient ‘A ‘
- Measuring ink absorption value
- Measures WH hunter whiteness, YI Yellowness, CIE whiteness
- Use of large screen color touch LCD to view measurement, statistical data
- User-friendly data operations
- Equipped with RS232 interface, with PC connections for data communication
- 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.