| Model | CS-820N |
| Illumination / Viewing system | Reflection: d/8(Diffused illumination, 8 degree viewing) Simultaneous measurement of SCI/SCE (CIE No.15, BG/T 3978, GB/T 2893, BG/T 18833, ISO7724/1,DIN 5033, ASTM E1164, Teil7,JIS Z8722 Condition C standard) Transmittance d/0(Diffused illumination, 0 degree viewing ) |
| Sensor | Silicon photodiode array |
| Spectroscopic mode | Concave grating |
| Sphere diameter | 152mm |
| Measurement wavelength range | 360nm-780nm |
| Measurement wavelength Pitch | 10nm |
| Half wave width | 1nm |
| Reflectivity range resolution | 0-200%, 0.01% |
| Lighting source | Pulsed xenon lamp and LED |
| UV | Including UV, 400nm cut-off, 420nm cut-off and 460nm cut-off |
| Measurement time | SCI/SCE < 2s SCI+SCE < 4s |
| Measurement aperture | Reflectance: XLAV Φ25.4mm/Φ30mm, LAVΦ15mm/18mm,MAVΦ8mm/Φ11mm,SAVΦ3mm/Φ6mm (Aperture size can be custom made) Auto aperture size recognition Transmittance:Φ17mm/Φ25mm |
| Transmission measurement specification | No limit on sample width and height, thickness ≤50mm |
| Long term repeatability | / |
| Repeatability※ | XLAV Spectrum Reflectance/Transmittance: standard deviation within 0.1% XLAV Chromaticity value: Standard deviation within ΔE*ab 0.02 * When a white calibration plate is measured 30 x at 5-second intervals after white calibration |
| Inter device difference※※ | XLAV ΔE*ab 0.25 (BCRA Series II, Average measurement of 12 tiles, at 23℃) |
| Standard observer | 2 ° standard observer and 10 ° standard observer |
| Illuminants | A,C,D50,D55,D65,D75,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,CWF,U30,DLF,NBF,TL83,TL84 |
| Language | Simplified Chinese, Spanish, Spanish, Spanish, Portuguese, Portuguese |
| Display | Reflectance and Transmittance graph/value, color value, color difference values, pass/fail, color simulation, color assessment, haze, liquid chromaticity values, color tendency |
| Color space | L*a*b,L*C*h,Hunter Lab,Yxy,XYZ |
| Other Indices | WI(ASTM E313-00,ASTM E313-73,CIE/ISO,AATCC,Hunter,Taube,Berger Stensby),YI(ASTMD1925, ASTM E313-00,ASTM E313-73),Tint(ASTM E313-00),Isochromatic index milm, color fastness, color fastness, ISO brightness, R457, a density, t density, e density, m density, APHA / Hazen / Pt Co, Gardner index, Saybolt index, ASTM Color, haze, total transmittance, hiding power, force, strength |
| Color difference formula | ΔE*ab,ΔE*CH,ΔE*uv,ΔE*cmc,ΔE*94,ΔE*00,ΔEab(Hunter),555 hue classification |
| Storage space | 8GB |
| Screen size | 7-inches touch screen |
| Operating system | Android |
| Power Supply | DC regulated power supply |
| Operating temperature and humidity range | 5 ~ 40 ° C, relative humidity below 80% (at 35 ° C), no condensation |
| Storage temperature and humidity range | -20 ~ 45 ° C, relative humidity below 80% (at 35 ° C), no condensation |
| Accessories | Power adapter, data cable, transmission fixture, software USB flash disk, black cavity, white board, green board, 0% calibration shading cover (820n attached), 30mm diameter board, 18mm diameter board, 11mm diameter board, 6mm diameter board, support table, cuvette, damping handle |
| Optional Accessories | Heating transmission fixture (including control circuit), vertical support, pneumatic ejector rod (including control circuit), small sample clamping accessories, pull rod box, European standard plug, American standard plug, reflecting cuvette support corrosion protection plate (non removable), fiber test box, film fixture and micro transmission fixture |
| Interface | RS-232,USB,USB-B |
| Other | 1. Camera viewfinder positioning;
2. The instrument can measure laterally, upward and downward (using accessories);
3. Automatic temperature and humidity compensation function |
