YL4568 non contact Spectrophotometer is a high-precision device for accurate color measurement and analysis. It enables precise spectral data collection across visible wavelengths, supporting color formulation, quality control, and standard creation in industries, Non-contact measure for liquids, pastes, powders and gels. With advanced features for reliable color difference calculation and quick sample assessment, it ensures consistent color accuracy and meets rigorous industrial standards.
Key Highlights
45/0 Optical Geometry
Non-contact measure for liquids, pastes, powders and gels
256-pixel dual-array CMOS image sensor
Measurement speed of just 0.2 seconds.Idealfor inline measurement in mass production settings.
Good repeatability ΔEab ≤0.03
Ideal for cosmetics, fruits and vegetables, food hygiene, plastic electronics, paint, ink, small and odd-shaped samples color measuring
YL4568 Spectrophotometer is a color measuring instrument that adopts the standard of 45/0°(45°circular uniform illumination 0°reception). non-contact test between test probe and tested sample, to achieve liquid and sauce , powder and other non-contact precision color measurement. The simple probe design allows this product to be placed anywhere on the automated production line for precise color measurement and color quality control. It is widely used in cosmetics, fruits and vegetables, food hygiene, plastic electronics, paint and ink, printing, ceramics and other industries. It can be used for fluorescent sample measurement. Its unique innovative design can not only provide non-contact measurement solutions directly from the production line, but also ensure stable and high-precision measurement results.

No more touching, scratching, or contaminating delicate samples. This spectrophotometer measures color with zero physical contact, making it ideal for sensitive materials like fragile films, coated surfaces, textiles, and precision-machined parts. It preserves sample integrity while delivering consistent, repeatable results every time.
Higher optical resolution ensures the measurement speed, accuracy, stability and consistency of the instrument, mastering the core technology, and achieving complete compatibility on the same platform with international standards.
The full-spectrum LED light source ensures sufficient spectrum distribution in the visible light range, avoids the lack of LED spectra in specific bands, and ensures the accuracy of the instrument's measurement results and low-cost maintenance.

Using concave grating spectroscopy technology, it has higher resolution and makes color measurement more accurate.

Using industrial-grade real-time processing MCU, supporting Bluetooth 5.0 transmission is more stable and reliable. Whether you’re testing batch consistency or fine-tuning product color, it ensures reliability you can trust. Choose 3NH Non-Contact Spectrophotometer—where precision meets convenience, and color control becomes effortless. Upgrade your quality assurance today!
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Provide CIE LAB, XYZ, Yxy, LCh, CIE LUV, Musell, s-RGB, HunterLab, βxy, DIN Lab99 color space, and D65, A, C, D50, D55, D75, F1, F2 (CWF), F3, F4, F5, F6, F7 (DLF), F8, F9, F10 (TPL5), F11 (TL84), F12 (TL83/U30) multiple observation light sources can meet the special measurement requirements under different measurement conditions.

A complete measurement cycle only needs 200 milliseconds, and more than 400,000 samples can be measured per day. Setups are customizable to match your workflow. The non-contact benchtop spectrophotometer seamlessly connect to a wide range of modules, instruments, and sample changers to suit the level of automation required. The non-contact design reduces sample preparation time, minimizes waste from damaged products, and lowers long-term operational costs. It’s a smart investment for businesses aiming to elevate product quality and customer satisfaction.
YL4568 non-contact online colorimeter, the test probe and the tested sample non-contact test, can achieve non-contact precision color measurement of liquid, paste, powder, etc., to prevent cross contamination of samples. It can be used for color analysis and transmission in laboratory and R&D industry; lt can also be used for accurate color measurement and quality control of automatic production lines; It is widely used in cosmetics, fruits and vegetables, food hygiene, plastic electronic paint ink, printing,ceramics and other industries. It handles flat surfaces, curved objects, and small components with ease, solving your most complex color measurement challenges.

This video demonstrates real-time non contact measurement technology for powder pigments, Here we show how the 3nh YL45 non-contact spectrophotometer measures the color of yellow powder and provides stable ΔE results.
The YL45 series can also be installed on production lines, offering real-time color monitoring for powder coatings, plastics, chemicals, and more, reducing batch rejection rates and ensuring uniform pigment quality for industries like coatings, plastics, and printing.
Looking for a reliable non-contact color measurement solution that combines accuracy, efficiency, and versatility? The 3NH Non-Contact Spectrophotometer is your ultimate choice—designed to meet the strict color control demands of diverse sectors, while eliminating the risk of sample damage.
YL4568 Non-Contact Spectrophotometer Technical Parameters
| Model | YL4568 |
| Optical Geometry | 45/0(45°circular uniform illumination 0°reception) |
| Comply with standard CIE No.15, GB/T 3978, GB 2893, GB/T 18833, ISO7724-1, ASTM E1164, DIN5033 Teil7, GB 2893, GB/T 18833 | |
| Features | Non-contact test between test probe and tested sample, to achieve the non-contact precise color measurement of liquid, sauce, powder, etc. It is mainly used for accurate color measurement and quality control of automated production lines; the measurement time can be adjusted from 0.1 to 1.5 seconds, and the software functions can be customized (additional customization function needs to be evaluated). |
| Light Source | Full spectrum LED light source, UV light source |
| Spectrophotometric Mode | Concave Grating |
| Sensor | 256-pixel dual-array CMOS image sensor |
| Wavelength Range | 400~700nm, 10nm output |
| Measured Reflectance Range | 0-200% |
| Measuring Aperture | Φ20mm (Φ10mm、Φ4mm can be customized) |
| Non-contact distance | 7.5mm (±0.2mm) |
| Sample height | Unlimited thickness, only test probes are used |
| Distance adjustment method | Fixed height according to actual sample |
| Measurement mode | Software customization function (additional customization function needs to be evaluated) |
| Locating | Camera locating |
| Color Space | CIE LAB,XYZ,Yxy,LCh,CIE LUV,Musell,s-RGB,HunterLab,βxy,DIN Lab99 |
| Color Difference Formula | ΔE*ab,ΔE*94,ΔE*cmc(2:1),ΔE*cmc(1:1),ΔE*00,ΔE(Hunter),DINΔE99 |
| Other Colorimetric Index | WI(ASTM E313,CIE/ISO,AATCC,Hunter), |
| YI(ASTM D1925,ASTM 313), | |
| Metamerism index MI, | |
| Staining Fastness, Color Fastness, Strength, Opacity | |
| Observer Angle | 2°/10° |
| Illuminant | D65,A,C,D50,D55,D75,F1,F2(CWF),F3,F4,F5,F6,F7(DLF),F8,F9,F10(TPL5),F11(TL84),F12(TL83/U30) |
| Displayed Data | Spectrogram/Values, Samples Chromaticity Values, Color Difference Values/Graph, Color simulation, pass/fail result, display tolerance can be set |
| Measuring Time | As fast as 0.2 seconds |
| Data Storage | Sample mode + quality control mode 18,000 |
| Continuous statistical mode 30,000, totaling no more than 48,000 | |
| Repeatability | In the optimal measurement mode (when a single measurement time is 1.5 seconds): Spectral reflectance: within 0.1% of standard deviation: Chromaticity value: ΔE*ab within 0.03(After the instrument is warmed up and calibrated, measure the average value of the whiteboard 30 times at an interval of 5s) |
| Inter-instrument Error | Within ΔE*ab 0.2(Measured average value of 12 tiles of BCRA series Ⅱ) |
| Measurement method | Single measurement, average measurement (2~99 times) |
| Dimension | 200*200*160mm (test probe) |
| Weight | About 3Kg (only test probe) |
| Power | AC 24V, 3A Power adapter power supply |
| Illuminant Life Span | 5 years, more than 3 million times measurements |
| Display | 7-inch TFT color LCD, Capacitive Touch Screen |
| Data Port | USB, Bluetooth®5.0 |
| Language | Simplified Chinese, Traditional Chinese, English |
| Operating Environment | 0~40℃, 0~85%RH (no condensation), altitude: less than 2000m |
| Storage Environment | -20~50℃, 0~85%RH (no condensation) |
| Standard Accessory | Power adapter, manual, data cable, standard calibration board, black calibration box |
| Notes | This model is specially suitable for streamlined production lines, in-depth function customization will incur additional customization costs |
FAQs About YL4568 Spectrophotometer
For premier glass quality grading (color, transmittance, haze, coating uniformity, architectural/auto/optical glass), the top 3nh & industry-leading instruments are:
d/8° integrating sphere, 360–780nm, UV adjustable
Dual mode: reflectance + transmission
ΔE*ab ≤ 0.015, IIA ≤ 0.2, haze measurement
Multi-apertures (Φ4/8/15/25.4mm)
Ideal: colored glass, coated glass, optical glass, lab R&D
d/8° sphere, SCI/SCE, UV control
ΔE*ab ≤ 0.01 (repeatability)
Large transmission compartment
Best for: high-end architectural glass, Low-E coated glass
d/8° (SCI/SCE), ΔE*ab ≤ 0.02
Handheld, fast, non-destructive
Best for: line checks, incoming glass, on-site grading
45/0 geometry, ΔE*ab ≤ 0.04
Touchscreen, rugged
Best for: solid-color glass, routine QC
Top lab: YS6060
Ultra-precision: TS8560
Portable production: ST70
Economical QC: NS810
To answer this question, you first need to clarify your specific needs:
Is it for simple color quality control (QC)?
To coordinate with supply chain color management?
To monitor on-line color stability?
Do you require computer color matching or production color correction?
What is your budget?
Systematic supervision and evaluation of color performance in dyed products?
If you aren’t fully clear about your requirements at the initial stage, our color management engineers are ready to communicate with you. We will recommend solutions tailored to your needs. When conditions permit, we can provide prototype demonstrations and trial testing to ensure the instrument meets your practical application requirements.
Colorimeters is a color measurement device that are used to capture, communicate, and evaluate color. Colorimeters are more affordable, portable, and easier to use, making them a suitable choice for basic color measurement applications, ideal for quick and routine tests.
spectrophotometers offer higher precision and comprehensive data analysis, are better for research, development, and when dealing with complex or highly precise requirements. The biggest difference is in capability and usage. Spectrophotometers are incredibly powerful and can offer more in-depth color measurements than a colorimeter, such as spectral data.
Colorimeters are primarily used for color quality control, while spectrophotometers are used for analysis and formulation. You can choose the appropriate color measurement equipment according to your application needs.
For wallpaper color consistency & quality control (including solid-color, printed, textured, and embossed wallpapers), these 3nh spectrophotometers deliver optimal performance:
d/8° integrating sphere, SCI/SCE dual mode
ΔE*ab ≤ 0.01 (repeatability), IIA ≤ 0.1
Multi-apertures (Φ3/8/15/25mm) — ideal for large patterned wallpapers
UV control (for optical brighteners in paper)
Best for: Lab formulation, color standardization, batch-to-batch consistency

d/8° (SCI/SCE), ΔE*ab ≤ 0.02
Handheld, fast, non-destructive
Large aperture (Φ20mm) averages out texture/pattern unevenness
Best for: Production line checks, warehouse incoming inspection, on-site matching

d/8°, interchangeable apertures (Φ4/8mm + 1×3mm)
High stability for rough/embossed surfaces
UV included for fluorescent inks/papers
Best for: Complex printed, textured, or metallic-effect wallpapers

45/0 geometry, ΔE*ab ≤ 0.04
Touchscreen, easy operation
Best for: Uniform solid-color wallpapers, basic production QC

Top lab precision: TS8560
Best portable production: TS7700
Best for textured/patterned: PS2080
Economical routine QC: NS800
The machine used to measure color is primarily called a colorimeter or spectrophotometer.
Spectrophotometer: The most common and precise type. It analyzes light reflected/transmitted by an object across the visible spectrum to quantify color accurately. A spectrophotometer can measure colors on smooth or matte surfaces, as well as textured, glossy, mirror-like surfaces, and special effect colors. It measures the reflected light of a sample at a fixed angle (e.g., 45˚) or captures light reflected at all angles to calculate color measurements that closely match what the human eye perceives. Additionally, similar to how humans flip a sample to view colors from different angles, a spectrophotometer is suitable for measuring a variety of materials and surface characteristics. Widely used in industries like paint, textiles, plastics, Chemicals, Pharmaceuticals, and printing.
Colorimeter: Also called photoelectric integrating colorimeter, a simpler, more cost-effective option. It measures color based on three primary colors (RGB) and is suitable for basic color matching needs. A photoelectric integrating colorimeter is a color measurement device based on the photoelectric integration principle. It directly measures the tristimulus values XYZ of an object's color using three color filters (red, green, blue) and silicon photocells as three sensors. The color measurement principle of this instrument imitates the human eye's mechanism of perceiving the three primary colors (red, green, blue). It corrects the relative spectral sensitivity of the detector through color filters to match the CIE-recommended spectral tristimulus value functions x(λ), y(λ), and z(λ).
Spectrocolorimeter: Combines the functions of spectrophotometers and colorimeters, offering both spectral data and color space values for comprehensive analysis.
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