Color spectrum benchtop spectrophotometer DS-36D series adopts self-developed differential spectrum engine to increase light intake by 50% and spectral resolution by 30%. Provide better repeatability, inter-station difference, display performance; The clarity of the camera is increased by 350%, and the color of ultra-dark samples can be truly restored through the self-developed brightness calibration algorithm. The powerful ColorExpert computer data management software supports the simultaneous saving of sample data and images. DS-36D series products will play a more outstanding role in quality control management and color matching in various industries such as paint, plastics and textiles.

DS-36D：repeatability0.01，Inter-instrument agreement0.15

DS-37D：repeatability0.005，Inter-instrument agreement0.12

DS-39D：repeatability0.005，Inter-instrument agreement0.08

• Differential spectrum engine improves overall measurement performance
  The light input of the sensor is increased by 50%, thespectral resolution is increased by 30%, the signal-to-noiseratio is higher, the repeatability, the difference between theinstrument, and the data is highly consistent with the dataof the standard instrument, the inter-instrument agreement can reach to 0.08, and the repeatability can reach to 0.005. The relevant technologies are protected byChinese invention patents

• Double optical path design improves repeatability accuracydE*ab≤0.005
  The dual optical path design monitors the energy fluctuation ofthe light source while measuring the sample signal, reducesinterference during measurement, obtains higher measurementstability, and improves the measurement repeatability index ofthe instrument to dE*ab ≤ 0.005. The high standard ofmeasurement speed, accuracy, stability and inter-stationdifference is guaranteed. The relevant technologies areprotected by Chinese invention patents and American inventionpatents

• Innovative 1nm resolution grating spectroscopy technology
  Innovation is the soul of CHNSpec. After nearly 10 years ofdedicated research, the grating combined array sensor made bythe innovative MEMS process makes the color measurementmore accurate on the basis of 1nm spectral resolution, onceagain leading the industry innovation direction and greatlyimproving the technical performance of the product. Therelevant technologies are protected by Chinese inventionpatents.

• Excellent inter-instrument agreement：dE*ab≤0.08，High repeatability accuracy：dE*ab≤0.005，ensure accurate data transfer between factories

• Self-developedfluorescencecalibration technique
  Automatically adjust the UV intensity,and ensure that the instrument value is highly consistent with the reference value when measuring the fluorescent material.

• High precision automatic calibration
  Advanced automatic calibration technology greatly improves long-term repeatability of instruments. Under constant temperature, the dE*ab of day 1 and day 30 can still reach 0.01. At any temperature change from 0℃ to 40℃, dE*ab can reach less than 0.1.

• Easily measure samples of many shapes with a variety of measuring apertures
  Four test calibers, free to switch
  Support measurement in reflection mode: solid, powder, non-transparent liquid
  Support measurement in transmission mode: glass, film, transparent liquid

• Configure high-definition preview camera
  The clarity of the camera has been significantly upgraded, from the original 400dpi to 1400dpi.When observing the sample, the clarity hasbeen improved by 350% and brightness calibration algorithm has been used to truly restore the color of the ultra dark sample.

• Support for simultaneously saving sample data and images
  Recording image information while measuring data
  Obtain more sample related information

• Provides powerful ColorExpert computer data management software
  The data can be saved to the cloud, and the data follows the account to prevent loss
  Export or print data test reports on a PC
  Matching software is supported to provide more formula inspiration and improve color matching efficiency.

  Benchtop spectrophotometer
  Model	DS-36D	DS-37D	DS-39D
  Lighting/measuring conditions	Reflection：d/8（diffuse illumination，8°direction reception）
  	SCI（Contains specular reflected light）/ SCE（not contain specular reflected light）measure at same time. Compliance standards：CIE No.15、GB/T 3978、GB 2893、GB/T 18833、ISO7724/1、DIN5033 Teil7、 JIS Z8722 Condition C、ASTM E1164、ASTM-D1003-07
  	Transmission：d/0（diffuse illumination, vertical reception）
  Sensor	Differential spectrum engine
  Spectroscopic method	Concave grating
  Integrating sphere diameter	152mm
  Wavelength range	360nm-780nm
  Wavelengthinterval	10nm
  Reflectance measurement range	0-200%，resolution 0.01%
  Lighting source	Pulsed xenon lamps andLED
  Ultraviolet measurement	IncludesUV、400nmcutoff、420nmcutoff、460nmcutoff
  Measuring time	Single mode<2s
  Lighting/measurin g calibers	Reflection：XLAV Φ25.4mm/Φ30mm；LAVΦ15mm/Φ18mm；MAVΦ8mm/Φ11mm；SAVΦ3mm/Φ6mm Users can customize the calibre, and the calibre switch is automatically recognized Transmission：Φ17mm/Φ25mm
  Transmission measurement specification	Sample height and thickness:height is not limited, thickness≤50mm
  Repeatability **	ΔE*ab≤0.01， Spectral reflection/transmittance ≤0.1%	ΔE*ab≤0.005， Spectral reflection/transmittance ≤0.1%
  Inter-Instrument Agreement**	XLAV ΔE*ab 0.15	XLAV ΔE*ab 0.12	XLAV ΔE*ab 0.08
  Long-term repeatability***	XLAV chroma value:standard deviation ΔE*ab within 0.01（under constant temperature conditions,the white correction plate is measured every hour within 24 hours)
  Standard observer	2°Standard observer and 10°Standard observer
  Viewing light source	A,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,LED-8
  Language	Simplified Chinese,English, Traditional Chinese, Russian, Spanish, Portuguese, Japanese, Thai, Korean,German, French, Polish
  Display content	Spectral data,Spectrogram, chromaticity data, chromaticity Data, chromaticity map, Pass/Fail judgment, Simulation color, Color evaluation, fog, liquid chromaticity, Color bias
  Color space	CIE LAB,CIE LUV,LCh,Hunter Lab,Yxy,XYZ,Musell,s-RGB,βxy
  Chroma index	WI(ASTM E313-20,ASTM E313-73,CIE,AATCC,Hunter,Taube,Berger Stensby),YI(ASTM D1925,ASTM E313-20,ASTM E313-73), Tint(ASTM E313-20),Isochromatic index Milm,color fastness,color changing fastness,ISO brightness,R457,A density,T density,E density,M density,APHA/Hazen/ Pt-Co((platinum-cobalt index),Gardner(Gardner Index),Saybolt(SeibertIndex),Astm color,fog, total transmittance, covering power, force, intensity
  Color difference formula	ΔE*ab,ΔE*CH,ΔE*uv,ΔE*cmc,ΔE*94,ΔE*00,ΔEab(Hunter),555color tone classification
  Storage	8GB
  Screen size	7-inch capacitive touch screen
  Operating system	Android
  Power source	Dc regulated power supply
  Operating temperature and humidity	5～40°C,relative humidity 80%(35°C)below no condensation
  Storage temperature and humidity	-20～45°C,relative humidity 80%(35°C)below no condensation
  Accessories	Power adapter,USB cable, transmission fixture, software U disk, black cavity, white board, green board,30mm aperture, 18mm aperture,11mm aperture,6mm aperture,support table,cuvette,damping handle
  Optional accessories	Heating transmission jig(including control circuit),vertical bracket,pneumatic jacking rod(includingcontrol circuit),small sample holding accessories,reflection cupping plate,fiber test box, micro transmission jig, rod box, European standard plug, American standard plug
  Port	RS-232、USB、USB-B、Bluetooth
  Camera positioning	Ultra HD camera（1400dpi）
  Automatic calibration	√（Can greatly improve the long-term repeatability of the instrument）
  Fluorescence calibration	√（Can automatically adjustthe UV intensity，and ensure that the value of the instrument is highly consistent with that of other imported instruments when measuring materials containing fluorescence）
  Brightness calibration	√（Through the brightness calibration algorithm, the real color of ultra-dark samples is restored）
  Others	The instrument can be measured sideways,up and down (using accessories); Automatic temperatureand humidity compensation function; PC side software save sample image function

  ※After instrument calibration,the white correction plate was measured 30 times at 5-second intervals to measure the standard deviation of the result in XLAV caliber
  ※※Based on 23°C,the average value of XLAV aperture measurement of 12 swatches of BCRA Series is measured
  ※※※XLAV chromatic value:standard deviation ΔE*ab within 0.1（0℃-40℃ Arbitrary temperature variation）