CS-821N is a highly stable benchtop spectrophotometer; the newly upgraded auto-calibration technology ensures excellent stability of the instrument for long-term use and measurement, even in the case of drastic environmental changes. Benchtop spectrophotometer cs-821N has two illumination sources: pulsed xenon lamp and led; with 24 standard light sources and 40+ measurement indicators, it can simulate and calculate color data under various light sources and color indicators.
Automatic calibration
Temperature and humidity operation compensation function
Dual optical path spectral analysis technology
Support SCI + SCE simultaneous rapid measurement
Excellent long-term stability, which can ensure excellent measurement stability even after rapid environmental changes
It has two kinds of lighting sources: pulse xenon lamp and led
High stability UV light source provides stable fluorescence measurement performance
24 standard light sources, 40 + measurement indicators
The instrument can simulate and calculate the color measurement data under a variety of light sources and measurement indexes
7-inch touch screen, Android operating system, the instrument can be used alone, and the measurement data can be saved on the instrument
Free computer management software makes data processing more efficient
| 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% |
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Lighting source
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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
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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 ° |
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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
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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 |
| 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; 2. The instrument can measure laterally, upward and downward (using accessories); 3. Automatic temperature and humidity compensation function |
※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
