Application of TT-SP048 Spectrophotometer
It is widely used in the inspection, production, and quality control of traffic signs and road marking materials. It ensures accurate color and reflectivity performance, supporting compliance with international safety standards for road visibility.
Test Standards of TT-SP048 Spectrophotometer
GB/T 3978, GB/T 18833, GB2893, ISO7724/1, ASTM E1164, DIN5033
Features of TT-SP048 Spectrophotometer
- Appearance is combined with the structural design in line with human mechanics.
- USB/Bluetooth 5.0 (compatible with 2.1) dual communication mode, wider adaptability.
- Large capacity storage space can store more than 30,000 data.
- ∅20mm caliber is suitable for testing larger samples or uneven samples.
- Using combination of high-life and low power LED light sources, including UV/excluding UV.
- High electronic hardware configuration: 3.5-inch TFT true color screen, capacitive touch screen, concave grating, 256-pixel dual array CMOS detector, etc;
- Built-in standard polygon tolerance setting and specific traffic sign color gamut, especially suitable for traffic sign brightness factor and chromaticity performance judgment.
- Two standard observer angles, a variety of light source modes, a variety of color schemes, and a variety of standard chromaticity indicators to meet the needs of various customers for color measurement.
- PC-side software has powerful function extensions.
Principle of TT-SP048 Spectrophotometer
 | Standards like GB 2893 and GB/T 18833 define color and brightness requirements for traffic signs using chromaticity coordinate areas. Since these areas are polygon-shaped, ordinary spectrophotometers can’t accurately verify compliance. A spectrophotometer combined with the SQCT traffic sign module easily solves this by ensuring precise color evaluation under standard conditions.
⬜ The chromaticity coordinates of white, yellow, orange, red, green, blue, brown, and Gray fill the area. ▒▒ The chromaticity coordinates of fluorescent yellow-green, fluorescent yellow, and fluorescent orange fill the area.
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Technical Specifications of TT-SP048 Spectrophotometer
| Model | TT-SP048 |
| Optical Geometry | 45/0 (45degree circular uniform illumination 0-degree reception) |
| Integrating Sphere size | ∅48mm |
| Light Source | Combined full spectrum LED light source, UV Light source |
| Spectrophotometric Mode | Concave Grating |
| Sensor | 256 Image Element Double Array CMOS Image Sensor |
| Wavelength Range | 400~700nm |
| Wavelength Interval | 10nm |
| Semi band Width | 10nm |
| Measured Reflectance Range | 0-200% |
| Measuring Aperture | ∅20mm |
| Measurement method | Single measurement, average measurement (2~99 times) |
| Color Space | CIE LAB, XYZ, Yxy, LCh, CIELUV, s-RGB, HunterLab, βxy |
| Color Difference Formula | ΔE*ab, ΔE*uv, ΔE*94ΔE*cmc(2:1), ΔE*cmc(1:1), ΔE*00, ΔE99, ΔE(Hunter) |
| Other Measurements | WI (ASTM313, CIE/ISO, AATC, Hunter), YI (ASTMD1925, ASTM313), Metamerism index MI, color fastness, strength, opacity, support chromaticity polygon tolerance |
| Measure Time | About 1.5s |
| 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) |
| Observer Angle | 2°/10° |
| Display Data | Spectrogram/data, sample chromaticity value, Color difference value/graph, pass/fail result, color deviation |
| Repeatability | Spectral reflectance: standard deviation within 0.1% (400~700nm: within 0.2%) |
| Chroma Value | Within E*ab0.04 (after the instrument is warmed up and corrected, the average value of 30 measurements on the whiteboard at an interval of 5s) |
| Inter-instrument error | MAV, ΔE *ab0.2 (measured Average value of 12 swatches of BCRA series II) |
| Size | L*W*H =184X77X105mm |
| Weight | 600g |
| Battery | Lithium battery, 5000 times in 8 hours |
| Illuminant Life Span | More than 3 million measurements in 5 years |
| Display | TFT true color 3.5-inch, capacitive touch screen |
| Data Port | USB, Bluetooth |
| Data Storage | Standard 1000 Pcs, Sample 30,000 pcs |
| Language | English, Chinese |
Software Interface of TT-SP048 Spectrophotometer
Standard Accessories of TT-SP048 Spectrophotometer
| Item | Qty |
| Power Adapter | 1 |
| Data cable | 1 |
| Lithium Battery | 1 |
| PC Software | 1 |
| Manual Instruction | 1 |
| Training Certificate | 1 |
| Warranty Card | 1 |
Optional Accessory of TT-SP048 Spectrophotometer
| Item | Description | Accessory Image |
| Powder Test Box | Easy to use, focusing on powdered target measurement
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| Micro printer | Easy to carry, without a computer, can continuously print out the measurements of various parameters, easy to save. |  |
