Accurately Captures the Colours
This revolutionary handheld color‑measurement tool from 3NH accurately captures the colour of surfaces and diverse materials, and delivers precise matches against any of thousands of colour standards stored in the instrument’s built‑in electronic colour‑card library.
Key Highlights
Optical Geometry: 45/0 circular uniform illumination geometry;
5 interchangeable apertures (11 mm,10 mm,5 mm,3 mm,1×3 mm);
Rich color spaces & color‑difference formulas;
Very good repeatability: ΔE*ab ≤0.02;
full‑featured PC color‑management software supported;
Widely applied in plastics, paints & coatings, ink, ceramic, traffic‑safety material laboratory R&D and incoming‑batch QC;
3nh TS-25C spectrophotometer is a high-precision color management instrument for laboratories. With "accurate measurement + multi-scenario adaptation" as its core market positioning, it provides color analysis solutions for multiple industries. The TS-25C features a 45/0 optical structure and grating spectral technology to ensure measurement standardization and accuracy; it is equipped with 5 switchable measurement apertures to flexibly adapt to samples of different sizes; it also supports specialized detection of fluorescent samples, as well as measurement of luminance factor and chromaticity coordinates of traffic signs, markings, and reflective films. Built-in GB 2893 and GB/T 18833 standard colors, with manually customizable polygonal rectangle tolerances, it is used for color measurement and quality control needs in industries such as plastics and electronics, paints and inks, textiles and clothing printing and dyeing, printing, and ceramics, meeting the requirements of laboratory-level accurate color analysis and cross-scenario transmission.
Using a 400-700nm full-spectrum LED light source + UV light source, it ensures a sufficient spectral distribution in the visible light range, avoids spectral gaps in specific wavelengths, does not saturate under strong light, is more sensitive under weak light, and can easily measure fluorescent samples.

Built-in GB 2893 and GB/T 18833 standard color libraries, it can directly measure luminance factor and chromaticity coordinates, and supports polygon/rectangle tolerance settings, making it suitable for compliance testing of safety color marks for traffic signs, reflective films, etc

Professional optics geometrical : 45/0 (45 ring-shaped illumination, vertical viewing) geometrical optics, conforms with CIE No.15、ISO7724-1、ASTM E1164 and so on international standards, High data authority
High precision and stability: Chromaticity value accuracy ΔEab ≤0.02, inter-device error ΔEab ≤0.18, ensuring data reliability and consistency across multiple devices.

Supports 41 types of observation light sources: It supports 41 types of observation light sources (D65, A, CWF, LED series, etc.) to cover measurement needs under different light source conditions.
Configure 9 color spaces: It supports 9 color space data, including CIE LAB, XYZ, Yxy, LCh, CIE LUV, s-RGB, HunterLab, DIN Lab99, and Munsell (C/2), eliminating the need for multiple measurements and improving quality control efficiency.。
Supports 10 color difference formulas: It has 10 built-in color difference formulas, including ΔEab, ΔEuv, ΔE94, ΔEcmc(2:1), ΔEcmc(1:1), and ΔE00, to meet the color difference evaluation standards of different industries and customers.
Rich colorimetric indicators: It supports multiple colorimetric indicators such as whiteness (WI), yellowness (YI), metamerism index (MI), blackness, color density (CMYK), opacity, staining fastness, and color change fastness, enabling full-dimensional color analysis.

Multi-morphological sample compatibility: Equipped with five measuring apertures (11mm, 10mm, 5mm, 3mm, and 1*3mm platforms), and combined with optional powder test kits, multi-functional test components, and positioning plates, it can measure samples in different forms such as solids, powders, liquids, and pastes.
Application coverage across all industries: It is widely applicable to industries such as plastics and electronics, paints and inks, textiles and clothing printing and dyeing, printing, ceramics, traffic signs, and fluorescent materials, providing high-precision solutions for color quality management, production control, and scientific research and testing.

3nh delivers reliable, precise color measurement instruments and professional solutions. As your trusted partner, we support industries with stable spectrophotometers, color difference meters and light boxes for consistent color control.
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Spectrocolorimeter | |
Model | TS-25C |
Illumination/Observation system | 45/0(45 ring-shaped illumination, vertical viewing); Comply with CIE No.15,GB/T 3978,GB 2893,GB/T 18833,ISO7724-1,ASTM E1164,DIN5033 Teil7 |
Features | Enhanced spectrophotometer for precise color analysis and transmission in the laboratory; |
Light Source | Combined LED Light, UV Light |
Spectral separation device | Flat Grating |
Detector | Silicon photodiode array (dual array, 40 groups) |
Wavelength Range | 400~700nm |
Wavelength Pitch | 10nm |
Half Bandwidth | 10nm |
Reflectance resolution | 0.01% |
Reflectance Range | 0~200% |
Measuring Aperture | 5 aperture:11mm platform+10mm platform+5mm platform +3mm platform +1*3mm platform |
Color Space | CIE LAB,XYZ,Yxy,LCh,CIE LUV,s-RGB,HunterLab,βxy,DIN Lab99,Munsell(C/2) |
Color Difference Formula | ΔE*ab,ΔE*uv,ΔE*94,ΔE*cmc(2:1),ΔE*cmc(1:1),ΔE*00, DINΔE99,ΔE(Hunter) |
Other Colorimetric Index | WI(ASTM E313,CIE/ISO,AATCC,Hunter), |
Observer Angle | 2°/10° |
Illuminant | D65,A,C,D50,D55,D75,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,CWF,DLF,TL83,TL84,TPL5,U30,B,U35,NBF, |
Display Data | Spectrogram/Values, Chromaticity Values, Color Difference Values/Graph, Pass/Fail Result, Color Offset |
Measurement Time | About 1.5s |
Display resolution | 0.01 |
Repeatability | Spectral reflectance: MAV, Standard deviation within 0.08% (400 nm to 700 nm: within 0.18%) |
Inter-instrument Error | MAV,Within ΔE*ab 0.18 (Average for 12 BCRA Series II color tiles) |
Measurement mode | Single Measurement, Average Measurement(2-99) |
Size(L*W*H) | 169X73X87mm |
Weight | About 446g |
Battery power | 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 | Standard 1000 Pcs, Sample 30000 Pcs |
Language | Chinese Simplified, Chinese Traditional, English, Russian |
Software | Andriod,iOS,Windows,WeChat Mini Program |
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, Measuring Apertures |
Optional Accessory | Micro Printer, Powder Test Box, Universal test components, Locating Plate |
Note | Technical specifications are for reference only; the actual product sold shall prevail. |
FAQs About Portable Spectrophotometers
Who are we? Threenh Technology: 22-Year Professional Color Measurement Solution Provider
Threenh Technology is a Chinese professional Measurement Instrument manufacturer with 22 years of industry experience, specializing in the field of color measurement and surface gloss detection. Integrating research and development, design, production, marketing, and sales, the company takes technological innovation as its core and is committed to providing global customers with high-precision and intelligent testing instruments as well as professional solutions.
The Ideal Accurate and User - Friendly Spectrophotometer for Your Needs
This Spectrophotometer device measures the reflectivity,absorbance, transmittance, and fluorescence of light passing through samples, providing invaluable data for a wide range of applications, provide unrivaled accuracy for reliable results.
Selecting an appropriate spectrophotometer offers significant advantages for precision color analysis and quality control. When choosing an accurate and user - friendly spectrophotometer, consider factors such as wavelength range, sensitivity, sample handling options, and available software features. By investing in the right spectrophotometer, you can streamline your analytical processes, obtain more accurate results, and enhance the overall efficiency of your laboratory or industrial operations.
Choosing the right model—whether portable, benchtop, or inline—aligns technology with specific industry needs, ensuring long-term reliability and optimized color management.
Always a pre-production sample before mass production; Always final Inspection before shipment;
Yes, we warmly welcome and sincerely invite you or your team to visit our factory, we will help to arrange hotel and pick up you from airport.
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
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