3nh TS-26C spectrophotometer is an enhanced laboratory-grade spectrophotometer independently developed by 3nh, specifically designed for high-precision color analysis and transmission scenarios. It adopts the internationally recognized 45/0 optical structure and incorporates a high-performance optical system, achieving rapid and accurate measurements within the 400–700nm spectral range. The product is equipped with seven measurement apertures to flexibly adapt to samples of different sizes and shapes, and has the capability to measure fluorescent samples. It also meets the requirements for measuring the luminance factor and chromaticity coordinates of traffic signs, markings, and reflective films. It includes GB 2893 and GB/T 18833 standard colors and supports manually customized polygonal rectangle tolerances, providing professional solutions for color management across various industries.
Optical geometry: The 45/0 illumination method (45° circular uniform illumination, 0° reception) is adopted, which complies with standards such as CIE No.15, GB/T 3978, and GB 2893 to ensure measurement standardization and data consistency.
Combined full-spectrum LED light source: It employs a combination of 400-700nm full-spectrum LED light source and UV light source, ensuring sufficient spectral distribution within the visible light range, avoiding spectral loss in specific wavelengths, preventing saturation under strong light, enhancing sensitivity under weak light, and allowing for easy measurement of fluorescent samples.
Silicon photodiode dual array (40 groups) sensor: Using larger area silicon photodiode array (40 groups in two rows) sensor effectively solves the problems of strong light saturation and weak light detection, ensuring the instrument's measurement speed and accuracy.

Repeatability accuracy:Within ΔE*ab 0.018,The repeatability accuracy of the instrument has reached a level that is difficult for similar products to match.
Inter-instrument Error: Within ΔE*ab 0.15,Ensure the measurement results from multiple devices are highly consistent.

It supports the measurement of luminance factor and chromaticity coordinates of traffic signs, markings, and reflective films, and is adapted to the strict requirements of the transportation industry for the consistency of road sign colors.
Built-in GB 2893 (safety colors) and GB/T 18833 (road traffic reflective film) standard colors, no need for additional import, and can manually customize polygonal rectangle tolerances to improve industry application efficiency.

Provides seven measuring apertures (12mm、11mm、10mm、6mm、5mm、3mm、1*3mm platform),It can be flexibly switched according to the sample size (such as small electronic components or large road signs) to adapt to diverse measurement scenarios.

Configure 10 color spaces: including CIE LAB、XYZ、Yxy、LCh、CIE LUV、s-RGB etc. It meets the color definition and analysis needs of different industries.
Supports 9 color difference formulas: including ΔEab、ΔEuv、ΔE94、ΔEcmc (2:1)、ΔE*00 etc, it can accurately quantify color differences and adapt to color difference judgment standards in different scenarios.
Rich colorimetric index: It supports measurements such as whiteness (WI), yellowness (YI), metamerism index (MI), blackness, and color density (CMYK), as well as staining fastness, color change fastness, force content, and opacity, covering the entire color evaluation process.
Supports observation of 41 light sources: including (D65、A、C、D50 etc,some are achieved through PC software)and 2°/10° view angle,It can simulate visual effects under different environments and meet the needs of color transmission across different scenarios.

Convenient operation: Equipped with a 3.5-inch TFT true-color capacitive touchscreen, it can intuitively display spectrum/data, colorimetric values, color difference values/comparison charts, and pass/fail judgment results, making it easy to operate.
USB + Bluetooth dual interface:Support USB +Bluetooth,It can connect to computers and printers, and is compatible with Android/iOS/Windows systems and WeChat mini programs, making data transmission and report generation more flexible.
High measurement efficiency:A single measurement takes only about 1 second, and it supports the storage of 1,000 standard samples and 30,000 test samples, meeting the long-term data traceability needs of a large number of samples.

Spectrocolorimeter | |
Model | TS-26C |
Illumination | 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 | 7 aperture:12mm platform+11mm platform +10mm platform +6mm platform+5mm platform+3mm platform + 1*3mmplatform |
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 0.07% (400 nm to 700 nm: within 0.2%) |
Inter-instrument Error | MAV,Within ΔE*ab 0.15 (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. 10000 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 |
Calibration | First Grade |
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
Threenh Technology with excellent after sale service, Generally, Our Spectrophotometer instrument warranty is one years(Additional support period of 3 years). Within the warranty period, we can offer technique support and parts to parts change, necessarily, our engineers may go to your place for better support. Our instrument have professional After-sales Dept, if you have any technical problem or question with our goods welcome to contact us.
Colorimetry is a method that applies color intensity to ascertain the chemical concentrations. It is founded on Beer-Lambert Law, whereby the absorbance at a given wavelength is proportional to the concentration. It is popular in environmental and biochemical testing.
The main instruments used to detect color are spectrophotometers and colorimeters (including photoelectric integrating colorimeters).
Spectrophotometer: High-precision option. It analyzes the full visible light spectrum to measure color accurately. Suitable for complex scenarios like textured surfaces, special effect colors, or batch consistency checks in industries such as paint and coatings.
Colorimeter (Photoelectric Integrating Colorimeter): Cost-effective and portable. It uses RGB filters to measure tristimulus values directly. Ideal for quick color difference detection in simple applications. Key Selection Tip Choose based on accuracy needs: use a spectrophotometer for high-precision color measurement, and a colorimeter for fast, basic color difference checks.
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.
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.
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