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Website: www.labtron.cc
Email: info@labtron.cc
Portable Spectrophotometer LSP-A31 is adopted with 45/0 geometry (45 ring shaped illumination, 0 degree observation angle), where the standard white board is included in the optical system for great accuracy of every measurement. Equipped with automatic gloss compensation technology ensures the accuracy of the color measurement data for the surface of different gloss. Large data storage space up to 20000 samples measurement records. The measurement of the color of the powder, granules and other materials can be done by adding the powder accessories to this spectrophotometer.
| Illumination | 45/0 (45 ring shaped illumination,0° observation angle) |
| Repeatability | Light splitting reflectivity：standard deviation within 0.08% Color values: ΔE*ab<=0.03 (After calibration, standard deviation of 30 measurements on test white board, 5 second intervals) Maximum：0.05 |
| Sensor | High sensitivity silicon photodiode |
| Test angle | 60° |
| Test area | 5 × 10 mm |
| Test range | 0 to 1000 GU |
| Test repeatability | 0.2 GU (0 to 100 GU), 0.2% (100 to 1000 GU) |
| Reproducibility | 1.0 GU (0 to 100 GU), 1.0% (100 to 1000 GU) |
| Inter instrument agreement | 0.2 ΔE*ab (BCRA II color tiles, average test value of 12 tiles) |
| Illumination light source | LED |
| Light source | A, C, D50, D55, D65, D75, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, CWF, NBF, TL83, TL184, NBF, U35 |
| Wavelength range | 400 nm to 700 nm |
| Wavelength interval | 10 nm |
| Observation angle | 2°/10° |
| Measuring aperture | 11 mm |
| Color space | CIE-L*a*b, L*C*h, L*u*v, XYZ, Yxy, Reflectance, Hunter-lab, Munsell MI, CMYK |
| Color difference formula | ΔE*ab, ΔE*CH, ΔE*uv, ΔE*cmc(2:1), ΔE*cmc(1:1),ΔE*94, ΔE*00, ΔEab(Hunter), 555 shade sort |
| Other colorimetric indices | WI (whiteness) (ASTM E313-10,ASTM E313-73,CIE/ISO, AATCC, Hunter, Taube Berger, Ganz, Stensby) YI (yellowness) (ASTM D1925，ASTM E313-00,ASTM E313-73), Tint (ASTM E313,CIE,Ganz) Metamerism index Milm, Stick color fastness, Color fastness, ISO brightness, A density, T density, M density, E density. |
| Color matching system | Not included |
| UV light source | Not included |
| Work temperature range | 0 to 45℃, relative humidity 80% or below( at 35°C ),no condensation |
| Battery capacity | Rechargeable Lithium battery, 20000 continuous measurement tests, 7.4V/600 mAh |
| Interface | USB |
| Data storage | 20000 samples |
| Display | True color TFT touch screen |
| Light source longevity | 10 years, 3 million test |
| Dimension | 181 × 73 × 112 mm |
| Weight | 800 g (without battery) |
| Accessories no. | Accessories name | Unit |
| 1 | AC adapter | 1 |
| 2 | Lithium battery | 1 |
| 3 | Color QC software | 1 |
| 4 | Driver software | 1 |
| 5 | USB cable | 1 |
| 6 | Calibration tile (black and white) | 1 |
| 7 | Carrying bag | 1 |
| 8 | Gloss calibration tile | 1 |
Used in textile, plastic, food, paint, printing, automobile industries, laboratories & on-site applications for quality control purpose.