| YS3020 Grating Spectrophotometer Multi-illuminants, Customizable Aperture, SCI&SCE, Bluetooth Comm, High Precision. Advantages A. Perfect combination of beautiful appearance and the human body mechanics structural design; B. D/8 geometrical optics, conforms with CIE No.15,GB/T 3978,GB2893, GB/T 18833, ISO7724/1, ASTM E1164, DIN5033 Teil C. Use long life and low power consumption combined LED light source D. Φ4mm/Φ8mm/1X3mm aperture E. Measure sample spectra, accurate Lab data , can be used in color matching and accurate color transmission; F. High electronic hardware configuration: 3.5-inch TFT color LCD,Capacitive Touch Screen, concave grating, 256 Iimage Element Double Arrays CMOS Image Sensor; G. USB/Bluetooth 2.1, dual mode, widely useful; H. Super stain-resistant and stable standard white calibration plate; I. Large capacity storage space, over 20,000 measurement data; J. Two standard observer angles, a variety of illuminant, a variety of color indexes, conforms with a variety of standard colorimetric data, meet a variety of customers' demand for color measurement; K. Camera Locating Function, better position; l. PC software has a powerful function extension.  Specification: | Model Items | YS3020 | | Optical Geometry | Reflect: di:8°, de:8°(diffused illumination, 8-degree viewing angle) | | Integrating Sphere Size | 48mm | | Light Source | Combined LED Light | | Spectrophotometric Mode | Concave Grating | | Sensor | 256 Image Element Double Array CMOS Image Sensor | | Wavelength Range | 400-700nm | | Wavelength Interval | 10nm | | Semiband Width | 10nm | | Measured Reflectance Range | 0-200% | | Measuring Aperture | Customized Aperture: 8mm/4mm/1×3mm | | Specular Component | SCI&SCE | | Color Space | CIE Lab, XYZ, Yxy, LCh, CIE LUV, Hunter LAB | | Color Difference Formula | ΔE*ab, ΔE*uv, ΔE*94, ΔE*cmc(2:1), ΔE*cmc(1:1), ΔE*00v, ΔE(Hunter) | | Other Colorimetric Index | WI(ASTM E313, CIE/ISO, AATCC, Hunter), | | YI(ASTM D1925, ASTM 313),TI(ASTM E313, CIE/ISO), | | Metamerism Index MI, Staining Fastness, Color Fastness, Color Strength, Opacity, 8° glossiness | | Observer Angle | 2°/10° | | Illuminant | D65, A, C, D50, D55, D75, F2, F7, F11 | | Displayed Data | Spectrogram/Values, Samples Chromaticity Values, Color Difference Values/Graph, PASS/FAIL Result, Color Offset | | Measuring Time | 2.6s | | Repeatability | MAV/SCI: ΔE*≤0.04 | | Inter-instrument Error | MAV/SCI: ΔE*≤0.2 | | Locating Method | Camera View Finder Locating | | Data Storage | Standard 2000 Pcs, Sample 20000 Pcs | | Standard Accessory | Power Adapter, Built-In Li-ion Battery, User Guide, PC Software, White and Black Calibration Cavity, Dust Cover | | Optional Accessory | Micro Printer, Powder Test Box, Universal Test Component | |