| Model Number | NS820 |
| Illuminating/Viewing Geometry | D/8° (Diffused illumination, 8 degree viewing angle), |
| Conform to the Standard CIE No.15, GB/T 3978. |
| Measuring Aperture | Φ4mm |
| Integrating Sphere Diameter | Φ58mm |
| Repetitive Error | Spectral Reflectance: Standard deviation within 0.1%(400~700nm: within 0.2%) |
| Colorimetric Value: Standard deviation ΔE*ab≤0.04 (Measurement Conditions: white calibration plate measured 30 times at 5 seconds intervals after white calibration performed.) |
| Inter-Instruments Error | ΔE*ab≤0.2 (Average value of the measurement results of the 12 tint plates of BCRA series Ⅱ) |
| Wavelength Range | 400~700nm |
| Wavelength Pitch | 10nm |
| Reflectance Range | 0~200% |
| Color Space | CIE LAB, XYZ, Yxy, LCh, CIE LUV, LAB & WI & YI |
| 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) |
| Display Data | Spectral Value/Graph, Colorimetric Value, Color Difference Value/Graph, PASS/FAIL Result, Color Offset, Color Simulation, Color Index Setting(ΔE*94, ΔE*cmc, ΔE2000), Tolerance Prompt, Reverse Prompt |
| Other Chromaticity Data | WI(ASTM E313, CIE/ISO, AATCC, Hunter), |
| YI(ASTM D1925, ASTM 313), |
| TI(ASTM E313, CIE/ISO), |
| Metamerism Index (Mt), |
| Color Strength, Color Stain, Color Fastness |
| Observer Angle | 2°/10° |
| Light Sources Type | D65, A, C, D50, D55, D75, F1, F2(CWF), F3, F4, F5, F6, F7(DLF), F8, F9, F10(TPL5), F11(TL84), F12(TL83/U30) |
| Light Source Device | Combined LED Light |
| Light Source Life | 5 years, More than 1.6 million measurements |
| Sensor | Silicon Photoelectric Diode Array |
| Measuring Time | 1.5s |
| Data Storage | 1000 Standards, 15000 Samples |
| Data Port | USB&RS232 |
| Display Size | TFT 3.5" |
| Touch-Screen | Yes |
| Operating Temperature | 0~40℃(32~104℉) |
| Storage Temperature | -20~50℃(-4~122℉) |
| PC Software | SQC8 |
| Weight | 600g |
| Dimension | 90*77*230mm |
| Battery | Large Capacity Li-ion Battery |
| Standard Accessory | Power Adapter, Li-ion Battery, Operating Instruction, CD-ROM(containing color management software), Data Cable, White and Black Calibration Cavity, Protective Cover and Wrist Strap. |
| Optional Accessory | Universal Test Components, Micro Printer, Powder Test Box |
| Certificates | CE & RoHS & TUV & FCC & ISO9001 |
