| Type | CS-820 | 
| Measurement Condition | Reflection: d/8(Diffused lighting, 8 degrees receiving) Compatible with SCI/SCE Measurement ISO7724/1,DIN5033 Teil7,JIS
Z8722 condition C,CIE No.15,ASTM E1164) Transmission d/0(Diffused lighting, Vertical direction receiving) | 
| Size of integrating sphere | Φ15.2cm, Alvan diffused reflection surface coating | 
| Illumination Light source | CLEDs(entire wavelength balanced LED light source) | 
| Sensor | dual light path sensor array | 
| Wavelength range | 400-700nm | 
| Wavelength interval | 10nm | 
| Half spectral width | 5nm | 
| Reflectivity range | 0-200% | 
| Reflectivity resolution | 0.01% | 
| Observation angle | 2°/10° | 
| Measurement light source | A,C,D50,D55,D65,D75,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12 CWF,U30,DLF,NBF,TL83,TL84 | 
| Data being displayed | SPD distribution/data, sample's color values, color difference
values/graph, pass/fail results, color error tendency, history data
color simulation, manual input standard sample, generate
measurement report | 
| Measurement time interval | 2 seconds | 
| Reflection Aperture | Large Aperture (LAV):2.54cm (=1inch) | 
| Medium Aperture (MAV):1.5cm(=0.6inch) | 
| Small Aperture (SAV):0.75cmx1.0cm(0.3inch x 0.4inch) | 
| Very Small Aperture (VSAV):0.3cmx0.8cm(0.12inch x 0.31inch) | 
| Color space | CIE-L*a*b,L*C*h,CIE-L*u*v,XYZ,Yxy,Transmittance, Hunterlab, Munsell
MI,CMYK, RGB,HSB | 
|  | 
| Color difference formulas | ΔE*ab,ΔE*CH,ΔE*uv,ΔE*cmc(2:1),ΔE*cmc(1:1),ΔE*94,ΔE*00 ΔEab(Hunter),555color classification | 
|  | 
| Other colorimetric indices | WI(ASTM E313-10,ASTM E313-73,CIE/ISO, AATCC, Hunter, Taube Berger,
Ganz, Stensby),YI(ASTM D1925,ASTM E313-00,ASTM E313-73),Tint(ASTM
E313-00,CIE,Ganz),Metamerism index Milm, Stick color fastness,
Color fastness, APHA, Pt-Co, Gardner | 
|  | 
| Repeatability | light splitting reflectivity: standard deviation within 0.08% | 
| color values:ΔE*ab<=0.015(After calibration, standard deviation
of 30 measurements on test white board, 5 second
intervals,Maximum:0.03) | 
| Interface | USB | 
| Data storage | mass storage | 
| Light source longevity | 5 years, 1.5 million tests | 
| Size | 583*330*304mm(L*W*H) | 
| Work temperature range | 15℃-32℃ (60°F-90°F) | 
| Relative Humidity | 0℃ to 45℃,relative humidity 80% or below(at 35°C ), no condensation | 
| Standard accessories | AC power line, color management software, drive software, USB
cable, black/white calibration tube, 40*10 cuvette, cuvette
support, testing report | 
| Optional | 40x40 cuvette |