| Model | CS-821N | 
| 
				 
				 
					Illumination/ Viewing System
				 
 
			 | 
			
				 
					 Reflectance: d/8(Diffused illumination, 8 degree viewing);Simultaneous measurement of SCI/SCE, conform to CIE No.15, GB/T 3978, GB 2893, GB/T 18833, ISO7724/1, DIN5033 Teil7, JIS Z8722 condition C, ASTM E1164, ASTM-D1003-07 Transmittance d/0(Diffused illumination, 0 degree viewing ) 
					 
  | 
		
| Sensor | 
				 
					Silicon Photodiode Array 
				 
			 | 
		
| 
				 
				 
					Grating Method
				 
 
			 | 
			Concave grating | 
| Sphere diameter | 152mm | 
| Wavelength range | 360nm-780nm | 
| Wavelength interval | 10nm | 
| 
				 
					Half width 
				 
			 | 
			5nm | 
| 
				 
						Reflectance Range Resolution
					 
 
				 | 
			0-200%, resolution 0.01% | 
| 
				 
					Lighting source 
				 
			 | 
			Pulsed xenon lamp and LED | 
| 
				 
					UV measurement 
				 
			 | 
			Including UV, 400nm cut, 420nm cut and 460nm cut | 
| Measurement time | 
				 
				 
					SCI/SCE < 2s;SCI+SCE < 4s
				 
 
			 | 
		
| Measurement / illumination aperture | 
				 Reflection: xlav ΦΦ 30mm ,LAV ΦΦ 18mm MAV Φ 8mm/ Φ 11mm ,SAV Φ 6mm (Auto aperture size recognition) Aperture for transmission: Φ 25mm  | 
		
| 
				 
						Transmittance Sample Size
					 
 
				 | 
			
				 No limit on sample width and height, thickness ≤50mm  | 
		
| Long term repeatability | 
				 
						XLAV Chromaticity value: Standard deviation within ΔE*ab 0.015 (20℃±10℃ arbitrary temperature 
					 
					
						change, white tile is measured every hour within 24 hours) 
					 
				 | 
		
| Repeatability※ | 
				 
						XLAV Spectrum Reflectance/Transmittance: standard deviation within 0.1% XLAV Chromaticity value: Standard deviation within ΔE*ab 0.015 * When a white calibration plate is measured 30 x at 10-second intervals after white calibration  | 
		
| 
				 
				 
					Inter-Instrument Agreement
				 
※※ | 
			
				 XLAV ΔE*ab 0.2 (BCRA Series II, Average measurement of 12 tiles, at 23℃)  | 
		
| Observer | 2 ° and 10 ° | 
| 
				 
						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 | 
				 
					English, Russian, Spanish, Portuguese, Japanese, Thai, Korean, German, French, Polish,Chinese (simple and traditional) 
				 
			 | 
		
| 
				 
						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 Lн, ан, bн,Yxy,XYZ | 
| Color index | 
				 
 
					WI(ASTM E313-00,ASTM E313-73,CIE/ISO, AATCC, Hunter, Taube Berger, Stensby) 
				 
				
					YI(ASTM D1925,ASTM E313-00,ASTM E313-73),Tint(ASTM E313-00),Metamerism index milm, stain fastness, 
				 
				
					color fastness, ISO brightness, R457, A density, T density, E density, M Density, APHA/Pt-Co/Hazen, Gardner, 
				 
				
					Saybolt, ASTM color, Haze, Total Transmittance, Opacity, Color Strength 
				 
				
 
  | 
		
| Colour-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-inch touch screen | 
| Operating system | Android | 
| Power Supply | 
				 
					DC stabilized 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 and American standard plug Reflective cuvette support, corrosion-resistant protective plate (non removable), 
					fiber test box, film clamp and micro transmission clamp 
  | 
		
| Interface | RS-232、USB、USB-B | 
| Other function | 
				 
					1. Camera viewfinder positioning; 
  | 
		
※After the instrument is calibrated, measure the white correction plate 30 times at an interval of 5 seconds, and measure the standard deviation of the results with xlav caliber
※※ Based on the average of xlav caliber measurements of 12 color plates of BCRA series at 23 ° C
            
										
										
										
 
				
 
				
 
				
