CHN SPEC CR-20 Colorimeter (45/0, ΔE*00≤0.05, 400-700nm, 0.1)
The CHN SPEC CR-20 Colorimeter is a new generation portable color measurement device (Colorimeter), featuring a minimalist pocket-sized design while delivering the performance of a professional instrument. The core value of the CR-20 is its 45/0 optical system, which most accurately simulates how the human eye perceives color under natural daylight.
Outstanding Features
- Standard 45/0 optical system: Unlike models using the D/8 geometry, the CR-20 uses an illumination structure at a 45-degree angle and receives signals at a 0-degree angle (45/0). This optical system completely eliminates specular reflection (gloss), making the measurement results closely reflect the actual visual perception of the human eye.
- Full-spectrum technology (400-700nm): The device is equipped with a sensor capable of scanning the entire visible light spectrum from 400 to 700nm. This allows the instrument to collect color data in the most complete and detailed manner, far surpassing conventional low-cost RGB sensors.
- Impressive accuracy and repeatability: The CR-20 provides extremely excellent repeatability at dE*00 ≤ 0.05. This capability ensures absolute consistency of color data in consecutive measurements, helping to detect even the smallest deviations that the naked eye might miss.
- High display resolution (0.1): The device screen provides results with a resolution of up to 0.1, allowing users to read detailed color indices and make more accurate quality control (QC) decisions.
- Portable and intuitive design: The compact cylindrical body integrates a crisp color IPS screen right on the device. Users can easily operate it with one hand, read Lab* results, and receive immediate color difference alerts without any hindrance.
Technical Specifications:
Measurement Geometry: 45/0
Measurement Indices:
RGB, Hex, Lab, LCh, HSB, LRV, Spectral Reflectance, CIE-Lab, CIE-LCh, HunterLab, CIE-Luv, XYZ, Yxy, Color Difference (ΔE*ab, ΔE*cmc, ΔE*94, ΔE*00),
Whiteness Index (ASTM E313-00, ASTM E313-73, CIE/ISO, AATCC, Hunter, Taube Berger Stensby),
Yellowness Index (ASTM D1925, ASTM E313-00, ASTM E313-73),
Blackness (My, dM), Staining Fastness, Color Fastness, Tint (ASTM E313-00),
Color Density CMYK (A, T, E, M), Metamerism Index Milm, Munsell, Opacity, Color Strength (Dye strength, tinting strength)
Light Source: LED (Full-band balanced LED light source)
Measurement Aperture: 4mm
Wavelength Interval: 10nm
Wavelength Range: 400nm-700nm
Measurement Repeatability: ΔE*00≤0.05
Inter-instrument Agreement: ΔE*00<0.4
Display Resolution: 0.1
Measurement Time: 1.0 second
Interface: USB, Bluetooth
Illuminant Conditions: 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
Observer Angles: 2°, 10°
Screen: Full color IPS screen (135*240, 1.14 inches)
Battery Capacity: Capable of 5000 continuous measurements on a single full charge
Language: Chinese, English
Calibration: Automatic calibration
Software Support: Android, iOS, WeChat applet, Windows
Weight: Approx. 75g
Dimensions: Diameter: 33mm, Height: 84mm
Storage: App mass storage
* Standard deviation measured 30 times on the white calibration tile at 5-second intervals.
* Average value measured across 12 color tiles of the BCRA Series II.
Standard Accessories: Instrument * 1, USB data cable * 1, User manual * 1
Practical Applications
Thanks to the specific nature of the 45/0 optical system (evaluating color independent of surface gloss), the CHN SPEC CR-20 is an indispensable tool in:
- Printing and packaging industry: Inspecting color on paper, printed films, and cartons — where the customer’s visual perception of color on flat surfaces is the deciding factor.
- Road marking paints and traffic signs: This is a field that strictly requires the use of the 45/0 measurement angle according to international standards to ensure accurate retroreflection and color.
- Plastics and furniture industry: Evaluating the color of matte surfaces, carpets, or decorative materials with specific surface textures.














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