| Model | NS820 Color Spectrophotometer |
| Illumination/observation system | d/8 (diffused illumination, 8-degree viewing angle) Comply with CIE No.15, GB/T 3978. |
| Integrating sphere Size | Φ58mm |
| Light Source | combined LED sources |
| Sensor | Silicon photodiodearray |
| Wavelength range | 400~700nm |
| Reflectance range | 0~200% |
| Measuring Aperture | Φ4mm |
| Color Space | CIE LAB,XYZ,Yxy,LCh,CIE LUV |
| Color difference Formula | ΔE*ab,ΔE*uv,ΔE*94,ΔE*cmc(2:1),ΔE*cmc(1:1),ΔE*cmc(l:c),CIE2000ΔE*00,ΔE(h) |
| Other Chromaticity Data | WI(ASTM E313,CIE/ISO,AATCC,Hunter), YI(ASTM D1925,ASTM 313), TI(ASTM E313,CIE/ISO), Metamerism Index (Mt) Colour Stain, Color Fastness Opacity |
| Observer | 2°/10° |
| Illuminant | D65,A,C,D50,D55,D75,F2,F6,F7,F8,F10,F11,F12 |
| Display Data | Spectral Value/Graph, Colorimetric Value, Color Difference Value/Graph, PASS/FAIL Result, Color Offset, Color Simulation |
| Repeatability | Spectral Reflectance: standard deviation within 0.1%(400~700nm: within 0.2%)
Colorimetric Value: Standard deviation within DeltaE*ab 0.04 (Measurement conditions: white calibration plate measured 30 times at 5 seconds intervals after white calibration was performed.) |
| Data Memory | 1000 Standards, 15000 Samples |
| Standard Accessory | Power Adapter, Li-ion Battery, Operating Instruction, CD-ROM (containing management software), Data Line, White and Black Calibration Cavity, Protective Cover and Wrist Strap |
| Optional Accessory | Micro Printer, Powder Test Box |
