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Bench top Spectrophotometer

Bench-top Spectrophotometer CS-820N

CN-820N is newest model of bench-top spectrophotometer.It is all-in-one model and can measure both reflectance and transmittance. It can measure both opaque and transparent materials such as paint, textile, plastic, master batches, printing materials,etc.

Part 1. Introduction

CS-820N is the new model of bench-top spectrophotometer. It is all-in-one model and can measure both reflectance and transmittance. It can measure both opaque and transparent materials such as paint, textile, plastic, master batches, printing materials, glasses, liquid and powder materials, etc.

Part 2. Instrument Advantages

  • Instrument adopts xenon lamp

  • It can measure both reflectance and transmittance

  • Auto temperature and humidity compensation function

  • 4 kinds of UV modes for choices

  • 4 test apertures as standard accessories, auto aperture size recognition

  • 10 million samples storage memory

  • Instrument is with camera to view the measurement area

  • Vertical and horizontal measurement for testing different kinds of samples

Part 3. Bench-top Spectrophotometer Structure

Part 5. More Spectrophotoemter Pictures

Part 6. Packing List

Illumination/ Viewing System

Reflection: d/8(Diffused illumination, 8 degree viewing)

Simultaneous measurement of SCI/SCE (ISO7724/1, CIE No.15, ASTM E1164,DIN5033 Teil7,JIS Z8722 Condition C standard)

Transmittance d/0(Diffused illumination, 0 degree viewing )

Sphere Diameter




Wavelength Pitch


Reflectance Range




Light Source

Pulse Xenon Lamp

UV Measurement

Include UV, 400nm cut, 420nm cut, 460nm cut

Measurement Aperture

Reflectance: XLAV Φ25.4mm/Φ30mm, LAVΦ15mm/18mm,MAVΦ8mm/Φ11mm,SAVΦ3mm/Φ6mm (Aperture size can be custom made) Auto aperture size recognition



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 5-second intervals after white calibration

Inter-Instrument Agreement

XLAV ΔE*ab 0.015 (BCRA Series II, Average measurement of 12 tiles, at 23)





Reflectance and Transmittance graph/value, color value, color difference values,pass/fail, color simulation, color assessment, haze, liquid chromaticity values, color tendency

Viewing Angles

2° and 10°

Color Spaces

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(ASTM D1925,ASTM E313-00,ASTM E313-73),Tint(ASTM E313-00,CIE,Ganz),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

Color Difference

ΔE*ab, ΔE*CH, ΔE*uv, ΔE*cmc, ΔE*94, ΔE*00, ΔE*ab(hunter),555 shade sort


Chinese and English (or Custom made)

Storage Memory


Screen Size

7 Inches Touch Screen

Operate Temperature

5-40(40-104F), relative humidity 80% (at 35) no condensation

Storage Temperature

-20-45(-4-113F), relative humidity 80% (at 35) no condensation


Black Calibration Cavity, White Calibration Tile, Power Adaptor, Operate Manual, PC software (CD), USB Cable, Reflectance Test Support,30mm,18mm,11mm and 6mm apertures, fixture for transmittance

Optional Accessories

Support for vertical measurement, liquid heater (transmittance)


USB and RS-232

Instrument Size




Spectrophotometer Application