1.Coffee Color Index Testing: Built-in SCAA, HCCI, and coffee roast degree indicators, enabling precise quantification of color changes throughout the roasting process from light to dark roast, providing standardized data support for coffee roasting quality control and batch consistency management.
2.Bread Baking Index Testing: Supports BCU (Bread Color Unit), suitable for quantitative evaluation of bread crust color and baking degree, helping the baking industry achieve product color standardization and process optimization.
3.Tomato Quality Index Testing: In addition to conventional color spaces and color difference calculations, the instrument features built-in tomato-specific chromaticity indices, directly outputting core parameters including tomato a/b ratio, fresh tomato color index (FTCI), TPS, TSS, TCS, TJS, and lycopene index, providing a one-stop solution for quality grading and inspection needs throughout tomato cultivation, harvesting, processing, and laboratory R&D.
4.Industrial-Grade Large Aperture Design: Equipped with a 50 mm measurement aperture, adaptable to different sample types including coffee beans, tomato fruit bodies, tomato paste, tomato juice, and bread surfaces, significantly reducing measurement errors caused by sample non-uniformity and ensuring data stability and representativeness.
1.High Repeatability: After warm-up and calibration, with 30 consecutive measurements on a standard white plate at 5-second intervals, the chromaticity value repeatability ΔE*ab is within 0.03; spectral reflectance standard deviation within 0.07% (within 0.2% for 400-700 nm band), suitable for laboratory high-precision analysis and subtle color difference identification scenarios.
2.Inter-Instrument Agreement: ΔE*ab within 0.35 (average of measurements on 12 BCRA Series II standard color tiles), ensuring consistent color data transfer and benchmarking across multiple instruments, laboratories, and production sites, enabling standardized cross-regional quality control.
3.Full-Band Accurate Acquisition: Measurement wavelength range covering 400-700 nm across the full visible spectrum, wavelength interval 10 nm, half-bandwidth 10 nm, reflectance measurement range 0-200%, achieving comprehensive and precise capture of sample spectral information.
1.Standard 45/0 Optical Geometry: Adopting 45° annular uniform illumination and 0° reception optical design, fully matching human visual characteristics, effectively eliminating the impact of sample surface texture and gloss on measurement results, with measurement data highly consistent with visual evaluation, particularly suitable for color detection of food, granular, and textured samples.
2.Advanced Spectrophotometric Technology: Utilizing a nano-integrated spectral device combined with a dual-set 20-group silicon photodiode array, achieving high-speed and high-sensitivity spectral signal acquisition, ensuring high fidelity of measurement results with a measurement time of about 1 second.
3.Selected Observation Light Sources: Built-in D65, A, and C standard light sources, meeting conventional color evaluation requirements in the food industry and ensuring measurement conditions are consistent with international standards.
1.Fast Measurement: Single measurement time of about 1 second, supporting single measurement and average measurement modes (2-99 times), enabling rapid sampling and full inspection of large batches, significantly improving production line and laboratory testing efficiency.
2.Intuitive Visual Operation: Equipped with a 7-inch TFT true-color capacitive touchscreen, capable of directly displaying spectral graphs/data, sample colorimetric values, color difference values/graphs, pass/fail results, and color bias, allowing intuitive interpretation of measurement results without external devices.
3.Large Storage Capacity: Capable of storing 1,000 standard sample data and 30,000 test sample data, fully meeting the inspection data storage and traceability requirements of large-scale industrial production.
4.Cross-Platform Software Compatibility: Comes with professional quality management software (download from the official website), supporting in-depth data analysis, batch management, remote transmission, and report export, facilitating the establishment of a digital color management system.
5.Multi-Language Support: Built-in Simplified Chinese, English, Traditional Chinese, and Russian language systems, adaptable to global application scenarios.
1.Long-Life Light Source: Adopting a combined LED light source with a lifespan of 10 years or more than 2 million measurements, significantly reducing equipment maintenance costs.
2.Broad Environmental Adaptability: Operating temperature range 0-40℃, humidity 0-85%RH (non-condensing), suitable for altitudes below 2,000 m covering the vast majority of production and inspection scenarios. Storage temperature range -20-50℃, ensuring safe storage of the instrument during non-operating conditions.
3.Stable Power Supply: Powered by a 24 V DC, 3 A power adapter, ensuring stability during long-term continuous operation, suitable for fixed installation in laboratories and production lines.
Product Model | PS808CT |
Product Name | Coffee and Tomato Spectrophotometer |
Optical Geometry |
45/0 (45° annular uniform illumination, 0° reception); |
Characteristic |
A Coffee and Tomato Spectrophotometer featuring 45/0 optical geometry with a 50 mm large aperture. |
Light Source | Combined LED light source |
Integrating Sphere Size | |
Light-Containing Method | |
Spectrophotometric Method | Nano-integrated spectral device |
Sensor | Silicon photodiode array (dual-array, 20 groups) |
Measurement Wavelength Range | 400-700 nm |
Wavelength Interval | 10 nm |
Half-Bandwidth | 10 nm |
Reflectance Measurement Range | 0-200% |
Measurement Aperture | Φ50 mm |
Observation Light Sources | D65, A, C |
Observer Angle | 2°/10° |
Color Spaces | CIE LAB, XYZ, Yxy, LCh |
Color Difference Formulas | ΔE*ab, ΔE*94, ΔE*cmc, ΔE*00 |
Other Chromaticity Indices | SCAA, HCCI, coffee roast degree, BCU, tomato a/b ratio, fresh tomato color index (FTCI), TPS, TSS, TCS, TJS, Lycopene |
Repeatability |
Spectral reflectance: standard deviation ≤ 0.1% (400-700 nm: ≤ 0.2%); |
Inter-Instrument Agreement | ΔE*ab ≤ 0.35 (average of measurements on 12 BCRA Series II color tiles) |
Display | Spectral graph/data, sample colorimetric values, color difference values/graph, pass/fail results, color bias |
Measurement Time | Approximately 1 s |
Measurement Mode | Single measurement, average measurement (2-99 times) |
Dimensions | 210*245*188 mm |
Weight | 3.1 kg |
Power Supply | 24 V DC, 3 A power adapter |
Light Source Lifespan | 10 years or more than 2 million measurements |
Display Screen | TFT true-color 7-inch capacitive touchscreen |
Interface | USB, Bluetooth |
Storage | 1,000 standard samples, 30,000 test samples |
Language | Simplified Chinese, English, Traditional Chinese, Russian |
Operating Temperature Range | 0-40℃, 0-85%RH (non-condensing), altitude below 2,000 m |
Storage Temperature Range | -20-50℃, 0-85%RH (non-condensing) |
Standard Accessories | Power adapter, data cable, user manual, quality management software (download from official website), white plate, Petri dishes x2 |
Optional Accessories | Micro printer |
Note: | Technical parameters are for reference only; subject to the actual product sold. Subject to change without prior notice. |
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