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Measuring geometry | Reflection: d/8 (diffuse illumination / 8o reception) |
Standard observer | SCI (including specular light component) / SCE (excluding specular light component) optional |
Observation light source | Transmission: d/0 (diffuse illumination / 0o reception) |
Color space | 2o, 10o |
Color difference | A, C, D50, D65, F1, F2, F3, F6, F7, F10, F11, F12, ID50, ID65. |
Other chromaticity parameters | CIEYxy, L*a*b*, L*c*h*, Hunter Lab, ΔE*ab, XYZ, etc. |
UV correction function | ΔE*ab (CIE1976), ΔE*CH, ΔE*94 (CIE1994, ΔE00 (CIE 2000), ΔE (Hunter), ΔE*CMC (I:c) |
Reflectance range | Metamerism index MI, whiteness WI (CIE, ASTME313, Hunter, Berger, Taube, Stenby, Ganz), yellowness YI (ASTM E313/D1925), contrast ratio CR, etc. |
Repeatability | Yes |
Difference between devices | 0-200%; resolution 0.001% |
Touch screen display function | Spectral reflectance: standard deviation < 0.05%, |
interface | (Measure the calibrated whiteboard 30 times at 10s intervals) |