The ST2222 array spectrometer, developed with 3NH's proprietary core technology, features a large - area silicon photodiode array (double - row 22 - group) sensor. This design ensures high - speed, accurate, stable, and consistent measurements.Accurately measure and identify colors for a perfect match with your paints and coatings.
Key Highlights
Large Touch Screen Operation, Fully Automatic Calibration
Excellent Repeatability (ΔE * AB≤0.018)
Inter - instrument Error Control (ΔE * AB≤0.18)
Basic measurement, statistical measurement, continuous measurement, QC measurement
Equipped with a 400 - 700nm full - waveband balanced LED and UV light source
Five Measuring Calibers
ST2222 is a new portable multifunctional spectrophotometer with 3nh own core research and development technology, ideal for measuring the color difference between two samples. Built-in large area silicon photodiode array (double row 22 groups) sensors, with excellent repeatability and inter-station differences, measuring data continued stable, accurate and reliable. The repeatability ΔE * AB of the array spectrometer ST2222 is easily controlled within 0.018, and the Inter-instrument Error ΔE * AB is controlled within 0.18. The measurement is accurate and can be used for accurate color analysis and transmission in the laboratory.

ST2222 array spectrometer with Φ8MM/φ10mm platform + Φ8MM/φ10mm sharp tip +Φ4MM/φ5mm platform + Φ4MM/φ5mm sharp tip and 1*3MM/φ five measuring aperture, no matter the sample surface is regular flat or curved radian, can easily measure and get reliable and good repeatability data, in plastic electronics, paint coating, textile printing and dyeing, printing paper products, automotive, medical, cosmetics and food industries, scientific research institutions, laboratories are widely used.

The larger array sensor, the stronger light will not be saturated, the lower light sensitivity is higher and the wider spectrum response range, has guaranteed the instrument measurement speed, the accuracy, the stability and the consistency, grasps the core technology, with the same platform of international standards, achieve perfect compatibility.
The array spectrometer ST2222 adopts 400 ~ 700nm full waveband balanced LED and UV light source as the illumination light source, which has enough spectrum distribution in the visible light range and avoids the loss of the spectrum of white LED in the specific wave band,Fluorescent materials can also be easily measured.


The use of plane grating spectroscopy technology, with a higher resolution, so that more accurate color measurement.

The ST222 is equipped with intelligent calibration base, can carry out automatic white board calibration, professional grade standard white board reflectivity R% ≥95% , good surface uniformity, high stability, can obtain repeated accurate data.
The hand-held position and the position of the measuring button are carefully designed to meet different holding habits, smooth and fine surface, derived from the professional appearance treatment technology.

The array spectrometer ST2222 is equipped with Φ8mm/φ10mm platform, Φ4mm/φ5mm platform, Φ8mm/φ10mm sharp tip, Φ4mm/φ5mm sharp tip and 1x3mm calibre, which meet the measurement requirements of most special samples.

The ST2222 array spectrophotometer has a built-in camera, which can accurately judge whether the object is the target center, and improve the measuring efficiency and accuracy.

The repeatability ΔE * ab ≤0.018, the Inter-instrument Error ΔE * AB ≤0.18 data is stable and reliable, which ensures the consistency of the data measured by multiple devices, and can be used for color matching and accurate color transfer.

Provide CIE LAB, XYZ, Yxy, LCH, Cie Luv, s-RGB, HunterLab, βxy, DIN Lab99 Munsell (C/2) color space, and a variety of observation light sources
A, B, C, D50, D55, D65, D75, F 1, f 2, F 3, F 4, F 5, F 6, F 7, F 8, F 9, F10, F11, F12, CWF, U30, U35, DLF, NBF, TL83, TL84, ID50, ID65, LED-B1, LED-B2, LED-B3, LED-B4, LED-B5, LED-B6, LED-BH1, LED-RGB1, LED-V1, LED-V2, LED-V3, customizable light source, it can meet the special measuring requirements under different measuring conditions.

The measurement structure of D/8(SCI/SCE) is adopted to reflect the color itself more objectively and reduce the influence of the surface texture of the object on the test results, which conforms to the standard CIE No. 15, GB/T 3978, GB 2893, GB/t 18833, ISO7724-1, ASTM E1164, DIN 5033 TEIL7

Double optical path system, when the environment changes, to ensure that the measurement data more stable and accurate.

The array spectrometer ST2222 is equipped with SQCX software, which is suitable for quality monitoring and color data management in various industries. The user's color management data, compare color differences, generate test reports, provide a variety of color space measurement data, customized customer color management.

This video demonstrates how to use TS222 Instrument for Color difference comparison measurement
Operation guides: how to start the instrument, calibration, measurement procedures for different sample types, how to switch between different color spaces and light sources. Measure the Lab values of two samples, calculate the color difference between them, and verify whether the samples fall within the preset color difference tolerance range.
Contact Experts to Learn More About the TS222
ST2222 technical parameters of the array spectrometer
| Product name | ST2222 array spectrophotometer |
| Optical Geometry | D/8(diffused illumination, 8-degree viewing angle) |
| Specular Component | SCI Including the specular reflection of light |
| Meet The Criteria | CIE NO.15,GB/T 3978,GB 2893,GB/T 18833,ISO7724-1,ASTM E1164,DIN5033 Teil7 |
| Repeatability* | ΔE*ab≤0.018 |
| Inter-instrument Error** | ΔE*ab≤0.18 |
| Displayed Accuracy | 0.01 |
| Measuring/Illuminating Aperture*** | Five Apertures:Φ8MM/φ10mm platform + Φ4MM/φ5mm platform +Φ8MM/φ10mm sharp tip + Φ4MM/φ5mm sharp tip +1*3mm |
| Measurement Indicators | Spectral reflectivity, CIE-Lab, CIE-LCh, HunteLab, CIE-Luv, XYZ, Yxy, RGB, chromatic aberration (ΔE * ab, ΔE * CMC, ΔE * 94, ΔE * 00) , whiteness (ASTM E313-00, ASTM E313-73, CIE/ISO, AATCC, Hunter, Taube Berger Stensby) , yellows (ASTM D1925, ASTM E313-00, ASTM E313-73) , blackness (My, DM) , staining fastness, colour changing fastness, tint (ASTM E313-00) , color density CMYK (A, T, E, M) , isochromism index Milm, Munsell, hiding power, force fraction (dye strength, coloring power) |
| Illuminant | 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-B6,LED-BH1,LED-RGB1,LED-V1,LED-V2,LED-V3,Customisable light sources |
| Displayed Data | Spectrogram/Values, Samples Chromaticity Values, Color Difference Values/Graph, PASS/FAIL Result, Color Simulation, Color Offset |
| Light Source | Combined full spectrum LED light source, UV light source |
| Locating Method | Camera Locating, Stability film, visual |
| Calibration | Intelligent automatic calibration (Contact Type) |
| Accuracy Assurance | Grade I metrological qualification |
| Observer Angle | 2°,10° |
| Integrating Sphere Size | 40mm |
| Spectrophotometric Mode | Flat Grating |
| Sensors | Large-area silicon photodiode array (double row 22 groups) |
| Wavelength Interval | 10nm |
| Wavelength Range | 400-700nm(The user can view 31 wavelengths of reflectivity) |
| Measured Reflectance Range | 0-200% |
| Reflectivity resolution | 0.01% |
| Measurement Mode | Single Measurement, Average Measurement(2-99times) |
| Measuring Time | About 1s |
| Size | L * W * H=114 X 70 X 208mm |
| Weight | About 435g(Calibration block not included) |
| Battery | Li-ion battery, 8500 measurements within 8 hours |
| Illuminant Life Span | 10 years, more than 1.5 million times measurements |
| Display | 3.5-inch TFT color LCD, Capacitive Touch Screen |
| Data Port | USB, Bluetooth 5.0 |
| Data Shorage | Standard 500 Pcs, Sample 20000 Pcs(A single piece of data can include both SCI/SCE) Mass storage on PC/APP side |
| Software Support | Windows, Android, IOS, HUAWEI Harmony OS, We Chat app, Color Cloud APP |
| Language | Simplified Chinese, English, Traditional Chinese,Russian |
| Operating Environment | 0~40℃, 0~85%RH (no condensing), Altitude < 2000m |
| Storage Environment | -20~50℃, 0~85%RH (no condensing) |
| Standard Accessory | Power Adapter, USB Cable, User Guide, PC Software(Download from office website), White and Black Calibration Cavity, Protective Cover, Wrist strap, 8mm flat aperture, 4mm tip aperture |
| Optional Accessory | USB Micro Printer, Powder Test Box |
| Notes: * 30 standard deviations of the whiteboard were measured at a 5-second interval after whiteboard calibration; ** BCRA Series II 12-panel measurement average; *** The illumination aperture is the actual aperture size of the instrument; If there are any changes to the above parameters, without prior notice. | |
FAQs About ST2222 Spectrophotometer
For professional paint matching (decorative, automotive, industrial, metallic/pearlescent), these are the top-performing spectrophotometers from 3nh — optimized for formulation, batch consistency, metamerism control, and field/shop matching:
d/8° sphere, SCI/SCE, UV control (360–780nm)
ΔE*ab ≤ 0.015, IIA ≤ 0.2 — ultra-precise for R&D
Multi-apertures (Φ4/8/15/25.4mm)
Transmission + reflection modes
Best for: Paint lab formulation, fluorescent pigments, color standardization
d/8° (SCI/SCE), ΔE*ab ≤ 0.02
Large Φ20mm aperture — averages texture/sheen
Fast, handheld, rugged
Best for: Paint store counters, job-site matching, production QC
8-angle measurement (15°/25°/45°/75°/110° + others)Threenh
For flip-flop, sparkle, pearlescent, metallic coatings
High stability for special-effect finishes
Best for: Automotive paint, powder coatings, metallic pigments, High-end industrial coatings, automotive OEM
d/8°, SCI/SCE, UV adjustable
Interchangeable apertures (Φ4/8mm)
Bluetooth + USB
Best for: General paint store matching, routine QC
Lab formulation / R&D: 3nh YS6060
Portable on-site / paint store: 3nh TS7700
Metallic / pearlescent paint: 3nh MS3008
Entry-level portable: 3nh YS3010
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.
True color in chemistry is the color seen in a solution or compound in standardized conditions. It depends on electronic transitions in molecules, specifically absorption of a particular wavelength of light, and this depends on the structure of the compound.
Yes, we can offer Spectrodensitometer quality certification issued by our lab free of charge, or issued by third-party international inspection Organizations with extra charge, please contact us for confirmation.
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.
Discuss your project with one of our product specialists:
0086 755 26508999We respond to quote requests within 1 business day.
service@3nh.comSubmit a demo request for the product you're interested in.
Get a Demo