| Sample (size) length | Diameter ≥30 mm, Thickness ≤ 40 mm |
| 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 |
| 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 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 |
