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DS -660 CHNSpec Spectrophotometer For Color Matching

Categories Portable Color Spectrophotometer
Model Number: DS-660
Wavelength range: 400-700nm,190-1100nm
Weight: 550g
Focal length: without,Contat
Wavelength repeatability: 0.5nm,<=0.1nm
Wavelength interval: 10nm
Photometric accuracy: ±0.3%T
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DS -660 CHNSpec Spectrophotometer For Color Matching

New Product Serail :Spectrophotometer With Excellent Repeatability Accuracy DS-660


Spectrophotometer with excellent repeatability accuracy


Ultra-high repeatability accuracy: dE*ab ≤ 0.02


1. Core technology


(1) Dual optical path design improves repeatability accuracy dE*ab ≤ 0.02


The dual optical path design monitors light source energy fluctuations while measuring the sample signal, reducing interference during measurement, obtaining higher measurement stability and improving the instrument's measurement repeatability index to dE*ab ≤ 0.02. This ensures the instrument, high standards of measurement speed, accuracy, stability and inter-stage difference consistency. The relevant technology is protected by a Chinese invention patent and a US invention patent.


(2) Innovative 5 micron thick nano-integrated optics


Innovation is the soul of CHNSpec. After nearly 10 years of dedicated research, CHNSpec has adopted nano-integrated optics as the spectroscopic device, which can achieve nano-level spectroscopic capability with only 5 micron thickness of optics, once again leading the direction of innovation in the industry, crossing the technological blockade of foreign products and greatly enhancing the technical performance of the products. The relevant technology is protected by Chinese invention patents.


l Related techniques were published in the Chinese famous optical academic journals

"Journal of Optics" and "Journal of Photonics“

”Optimized Design of Spectrophotometer Based on Real-Time Dual Optical Correction“

”The Design of SCE Measurement Gloss Correction Model for Color Measurement Instruments Based on D/8 Condition“

l The technology is protected by a Chinese invention patent

Colour measuring instrument and implementation method based on D/8 condition for light trap error correction CN201310373360.1

A colorimeter for measuring the colour of objects using linear variable filters CN201310027285.3

l Related technologies are protected by US invention patents:

SPECTROPHOTOMETRIC COLORIMETER BASED ON LED LIGHT SOURCE AND METHOD FOR REALIZING THE SAME US9243953B1

l The relevant technology won the third prize of Science and Technology Progress of Zhejiang Province and the Excellent Product Award of China Instrument Society



2. Product features

(1)Ultra-high repeatability accuracy: dE*ab ≤ 0.02

Repeatability accuracy is an important indicator to describe the accuracy of spectrophotometers. The DS600 series spectrophotometers are evaluated on the basis of a rigorous standard of repeatability, which is unmatched by any other spectrophotometer in its class.


(2)Excellent inter-stage consistency

The superior level of technology and craftsmanship ensures that the DS600 series has excellent inter-instrument agreement. The use of BCRA series standard colour bricks for colour transfer and colour value traceability guarantees an excellent level of inter-stage variation.


(3) Calibration base and zirconium reference with a Mohs hardness of 9 to calibrate the instrument, ensuring long-term stability


Compared to existing products, the DS600 series spectrophotometer does not require frequent manual calibration when in use. Simply place it on the calibration base and the instrument will automatically calibrate the overall instrument function and accuracy according to its own state and environmental factors, ensuring that the instrument is always in a stable state and ready for use.


The white plate in the calibration base is the basis of the instrument's work. Through long-term investment and research, CHNSpec has integrated the "artificial diamond" zirconium material as the calibration white plate, with a Mohs hardness of 9. As the material itself has the hardness and stability comparable to diamond, the surface of the calibration white plate will not be scratched and will not change colour with changes in temperature and humidity. This is a further improvement in the stability and durability of the calibration whiteboard compared to similar foreign and domestic products that use common industrial ceramics or even plastic as calibration whiteboards, ensuring the performance of the instrument.


(4) The DS600 series supports 3 measuring apertures for selection


To facilitate the measurement of samples of different sizes, the DS600 series spectrophotometer supports three apertures for customer use: Φ8mm/Φ11mm+Φ4mm/Φ6mm+1*3mm, which can be flexibly applied to a variety of different usage and testing conditions.


(5)Over 30 measurement parameters and nearly 40 evaluation light sources available


The DS600 series spectrophotometers offer 30+ measurement indicators such as spectral reflectance, CIE-Lab, CIE-LCh, ΔE*ab, opacity, whiteness, yellowness, etc.; and nearly 40 evaluation light sources to choose from such as A, B, C, D50, D55, D65, etc., covering almost all colour measurement indicators and light source types in the industry.


(6) Built-in HD camera for clear observation of the measured area


The DS600 series spectrophotometer can obtain an image of the measured area through the camera when measuring, which can clearly locate the measured area of the sample and avoid inaccurate measurement due to wrong area.


(7) Support WeChat applet, Android, Apple, Hongmeng mobile APP


l The DS600 series spectrophotometers can be connected to a variety of mobile phones via a rich mobile app.

l Users no longer have to pass on the colour values of samples and physical objects, they can easily pass on colour data via WeChat.

l Users can find the most similar colours in multiple sets of colour cards.

l Users can create personal colour databases and enter information on colour cards for printing, paint and textiles. The colour libraries created can be uploaded to the cloud for easy colour processing with data sharing across multiple devices.

l Business users can create and manage their own colour card information library and colour recipes in the cloud, and share the information library and colour recipes to their own users through a unique invitation code.


WechatApp APP Mobile APP


(8) Use the powerful PC-based colour management system ColorExpert*


The DS600 series spectrophotometer is supplied with a Windows colour management system, ColorExpert, which connects to the DS600 series spectrophotometer via Bluetooth or USB cable.


ColorExpert is a full-featured colour management software with four functional modules: My Colours, Colour Check, Colour Matching System and Personal Centre.


In the 'My Colours' function module, users can collect or create their own colour library from hundreds of other users' own shared colour libraries. The PC software and mobile app can share accounts and the colour library data follows the account to synchronise information between PC and mobile.


In the 'Colour QC' function module, the user can calibrate, measure and set up the spectrophotometer via the PC software. The user can use colours from the cloud database as specimens to measure colour differences, view spectrograms, colour difference graphs, specimen trial data and export the desired data test reports.


The "Colour Matching System" function module provides the user with a more convenient and efficient colour matching process. After the colour of the sample has been measured by the instrument, the system calculates the recipe in the recipe centre and automatically fixes the colour to achieve an accurate match. The system is suitable for computerised automatic colour matching applications in the paint, coating, printing and textile industries.


The 'Personal Centre' function allows users to edit their personal information, search for or delete connected instruments, manage downstream users and manage the colour library shared with downstream users.


DS-600 DS-620 DS-660


ModelDS-600DS-620DS-660
Test conditionSCISCI+SCESCI+SCE
Repeatability≤0.04≤0.03≤0.02
Inter-instrument Agreement≤0.4≤0.3≤0.2
ApertureSingle apertureThree aperturesThree apertures
UV light source×
Camera function×
MobileApp×
PC software

4. Technical Parameter

Product modelDS-600DS-620DS-660
Measuring structureD/8,SCID/8,SCI+SCE
Measurement repeatabilitydE*ab≤0.04dE*ab≤0.03dE*ab≤0.02
Inter-instrument AgreementdE*ab≤0.4dE*ab≤0.3dE*ab≤0.2
Display accuracy0.01
Measuring/illumination apertureΦ8mm/Φ11mmΦ8mm/Φ11mm; Φ4mm/Φ6mm ; 1*3mm

Color Spaces

and Indices



Reflectance, CIE-Lab, CIE-LCh, HunterLab, CIE Luv, XYZ, Yxy, RGB, Color

difference(ΔE*ab, ΔE*cmc, ΔE*94,ΔE*00),WI(ASTM E313-00,ASTM

E313-73,CIE/ISO, AATCC, Hunter, Taube Berger Stensby), YI(ASTM

D1925,ASTM E313-00,ASTM E313-73), Blackness(My,dM),Color Fastness,

Tint,(ASTM E313-00),Color Density CMYK(A,T,E,M), Milm, Munsell, Opacity,

Color strength


Source conditionA,B,C,D50,D55,D65,D75,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,CWF,U30,U35,DLF,NBF,TL83,TL84,ID50,ID65,LED-B1,LED-B2,LED-B3,LED-B4,LED-B5,LED-BH1,LED-RGB1,LED-V1, LED-V2
Light sourceLEDLED+UV
Measurement observation methodVisualcamera
CalibrationAuto calibration
Software supportWindowsAndriod,iOS,Windows, Wechat app
Guaranteed accuracyGuaranteed measurementGuaranteed first class measurement
observer2°,10°
Integrating sphere diameter40mm
StandardsCIE No.15,GB/T 3978,GB 2893,GB/T 18833,ISO7724-1,ASTM E1164,DIN5033 Teil7
Ways of spectralNano-integrated spectral devices
SensorSilicon photodiode array Dual 16-group
Wavelength interval10nm
Wavelength range(user viewable reflectance at 31 wavelengths)
Reflectance determination range0-200%
Reflectance resolution0.01%
Measurement methodSingle measurement, average measurement (2 to 99 measurements)
Measurement timeapprox. 1 second
InterfaceUSB

USB, Bluetooth


ScreenScreen Full colour screen, 3.5
Battery capacity8000 continuous measurements on a single charge
Life of light10年100万次10 years and 1 million cycles
LanguageSimplified Chinese, English
Storage10,000 data itemsInstrument :10,000 data ; APP: mass storage

* Diffuse illumination / 8° directional reception with specular reflected light included / specular reflected light removed

**White plate calibration with 30 standard deviations measured at 5 second intervals after white plate calibration

***BCRA Series II average of 12 colour plate measurements

**** illumination aperture is the actual aperture opening size of the instrument

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