In line with Chinese Grade 1 Spectrodensitometer standard
3nh YD5050 Plus Grating Spectrophotometer Densitometer with 45/0(45 ring-shaped illumination, 0 degree viewing angle), comply to standard ISO 5-4,CIE No.15. It is suitable for using in ink printing, in Film Processing, Textile Printing and Dyeing, Plastic Electronics and Other Industries for Color Measurement and Quality Control, Speed + Accuracy: 3nh Grating Spectrodensitometer Streamlines Your Color Density Workflow
Key Highlights
45/0 geometrical optics structure, comply with CIE
Reflectance spectrum, CMYK density and Lab
3.5-inch TFT true-color screen, capacitive touch screen, concave grating
Ergonomic structure design
Φ2/4/8mm Optional apertures
Pinting plants process control and quality control
3nh launched new model YD5050 Plus Grating Spectrophotometer Densitometer with 45/0(45 ring-shaped illumination, 0 degree viewing angle), comply to standard ISO 5-4,CIE No.15. It is suitable for using in ink printing, in Film Processing, Textile Printing and Dyeing, Plastic Electronics and Other Industries for Color Measurement and Quality Control;especially suitable for the measurement and quality control of optical density and dot enlargement in ink printing.

Under the 45/0 geometric optical illumination and the testing conditions of M O, M 1,M 2 , M 3 stipulated by ISO 13655 standard, the instrument can accurately measure the reflectance data of samples. Under multiple color spaces, it can accurately measure various printing density indexes, color difference formulas and color indexes, and can meet the user's regular testing of various parameters.
Product Features
1. 45/0 geometrical optics structure, comply with CIE, the testing conditions of M O, M 1,M 2 , M 3 stipulated by ISO 13655 standard, it can accurately measure various printing density , overprint rate and other printing parameters.
2. Accurately measure reflectance spectrum, CMYK density and Lab value of the sample;
3. High-configuration electronic hardware: 3.5-inch TFT true-color screen, capacitive touch screen, concave grating, 256-pixel dual-array CMOS image sensor, etc.;
4. Perfect combination of the beautiful appearance and the ergonomic structure design;
5. Optional apertures: Φ2/4/8mm, adapt to more samples;
6. Large-capacity storage space, over 20,000 test data
7. Combined LED light sources with long life and low power consumption, including UV light;
8. USB/Blue2.1 dual communication mode is widely useful;
9. Especially suitable for process control and quality control of printing plants;
10. PC software has powerful function expansion.
3nh offers a comprehensive range of professional densitometry instruments designed to deliver accurate, repeatable density measurements across diverse materials and industries. From portable handheld devices to high-performance bench-top models, our densitometers provide reliable data for ink density, film thickness, coating opacity, and substrate analysis. Equipped with advanced optical sensors and intelligent software, 3nh densitometry tools ensure consistent quality control, reduce material waste, and optimize production efficiency for printing, packaging, textiles, and coating applications.

We’re always happy to discuss new color measurement projects. If you don’t see what you’re looking for above, get in touch. Our team will be glad to help, Our color specialists support you one to one.
| Model | YD5050 Plus |
| Measurement Geometry | 45/0(45 ring-shaped illumination, 0 degree viewing angle); ISO 5-4,CIE No.15 |
| Features | high accuracy spectrophotometer densitometer, apply in ink printing, in Film Processing, Textile Printing and Dyeing, Plastic Electronics and Other Industries for Color Measurement and Quality Control;especially suitable for the measurement and quality control of optical density and dot enlargement in ink printing;able to customize single aperture Φ2mm,Φ4mm,Φ8mm. |
| Light Source | Combined LED Light, UV Light |
| Spectral separation device | Concave Grating |
| Detector | 256 Image Element Double Array CMOS Image Sensor |
| Wavelength Range | 400~700nm |
| Wavelength Pitch | 10nm |
| Half Bandwidth | 10nm |
| Measurement Conditions | Compliance with ISO 13655 measurement conditions; M0 (CIE Light Soure A) M1 (CIE Light Soure D50) M2 (Excluding UV light source) M3 (M2+Polarized light filter) |
| Density Standards | ISO Status A, E, I, T |
| Density index | Density value, density difference, dot area, dot enlargement, overprint, printing characteristics, printing contrast, tone error and gray scale, density scanning |
| Measurement aperture | Customized one aperture:Φ2mm,Φ4mm,Φ8mm optional |
| Color Spaces | CIE LAB,XYZ,Yxy,LCh,CIE LUV,HunterLAB |
| Color Difference Formula | ΔE*ab,ΔE*94,ΔE*00,ΔE*uv,ΔE*cmc(2:1),ΔE*cmc(1:1),ΔE(Hunter) |
| Other Colorimetric Index | WI(ASTM E313,CIE/ISO,AATCC,Hunter), YI(ASTM D1925,ASTM 313), MI (Metamerism Index),Opacity, |
| Observer Angle | 2°/10° |
| Illuminants | A,C,D50,D55,D65,D75,F2(CWF),F7(DLP),F11(TL84),F12(TL83/U30),F1,F3,F4,F5,F6,F8,F9,F10(TPL5) |
| Measurement Time | About 1.5s |
| Repeatability | Density: Within 0.01 D |
| Chromaticity value:within ΔE*ab 0.03 ( When a white calibration plate is measured 30 times at 5 second intervals after white calibration) Except M3 | |
| Inter-instrument Error | Within ΔE*ab 0.18 (Average for 12 BCRA Series II color tiles) Except M3 |
| Measurement mode | Single Measurement, Average Measurement(2-99) |
| Size(L*W*H) | 184*77*105mm |
| Weight | About 600g |
| Power source | Li-ion battery. 5000 measurements within 8 hours |
| Illuminant Life Span | 5 years, more than 3 million times measurements |
| Display | 3.5-inch TFT color LCD, Capacitive Touch Screen |
| Interface | USB, Bluetooth ®5.0 |
| Data memory | 20000 pcs |
| Language | Simplified Chinese, English, Traditional Chinese |
| Working Environment | Temperature: 0~40℃; Humidity: 0~85% (No Condensation);altitude: less than 2000 m |
| Storage Environment | Temperature: -20~50℃; Humidity: 0~85% (No Condensation) |
| Standard Accessory | Power Adapter, USB Cable, Built-in li-ion battery, User Manual, software(download from the website),White and Black Calibration Board, Protective Cover,Polarization filter box,Locating Plate |
| Optional Accessory | Micro Printer |
| Notes: The specifications are subject to change without notice. | |
FAQs About Spectrodensitometer
A colorimeter is sufficient for basic, routine color checks, while a spectrophotometer is needed for precise, comprehensive color analysis—here’s the clear breakdown:
Simple color matching needs: Ideal for checking if a sample matches a predefined standard (e.g., basic paint batches, plastic parts with solid colors).
Consistent lighting conditions: Works well when measurements are done under fixed, standard light sources (no need to account for varied light effects).
Cost-sensitive, high-volume tasks: Perfect for production lines requiring fast, low-cost color checks without advanced data analysis.
Precise color quantification: Necessary for measuring Lab values (lightness, red-green, yellow-blue axes) or detecting subtle color deviations (critical for automotive coatings, high-end textiles).
Complex color analysis: Required for metallic/pearlescent finishes, transparent materials, or samples with gloss/texture variations.
Compliance and documentation: Essential when precise color data (spectral curves) is needed for quality audits, regulatory compliance, or brand color standardization.
A digital coating thickness gauge is used to measure the thickness of dried paint. It measures coating thickness specification non-destructively, helping to maintain consistent quality and performance.
When using a Pantone light box, each sample should be positioned flat and nearby the other samples, but not overlapping. Each one should also be in the middle of the light box, and the surfaces of the light box should be clean and non-reflective.
A colorimeter is used to measure the intensity of color of a solution by measuring its absorbance at selected wavelengths of light. It is widely applied in chemistry, food, pharmaceuticals, and quality control to determine concentration, track color changes, or product uniformity.
Ensure the source, viewing angle, and background are all neutral and standardized, and the samples are clean, and positioned for a side-by-side comparison under each light condition.
a. Users must specify Standard File Name, Sample File Name and Sample Database File Name when first use.
b.Standard File is use to store standard measurement data. Sample File is used to store sample measurement data. Sample Database File is used to store the measured data exported from sample records.
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