Table top spectrophotometer LTS-A12 has multiple measuring calibers with largest caliber of 25.4 mm, satisfies the measurement needs of samples of different size. It is possible to measure the color data of opaque samples and transmission and opacity of transparent or semi-transparent samples. Equipped with dual light path spectral analysis technology ensures precision and long-term stability of the instrument. The 8°/diffused illumination geometric design of lightning, provides full insight of the color data.
| Illumination system | d/8 (Diffused lighting, 8° observation angle)<br/> SCS optical engine (light splitting and integration system)<br/> ETC (real time calibration technology )<br/> SCI (specular reflection included) & SCE(specular reflection excluded) simultaneous measurement |
|---|---|
| Size of integrated sphere | 15.2 cm, alvan diffused reflection surface coating |
| Illumination light source | CLED |
| Sensor | Dual light path sensor array |
| Light source | A, C, D50, D65, D75, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, DLF, TL183, TL184, NBF, U30, CWF |
| Wavelength range | 400-700 nm |
| Wavelength interval | 10 nm |
| Half spectral width | 5 nm |
| Reflectivity range & resolution | 0 to 200%, 0.01% |
| Observation Angle | |
| Measurement caliber | LAV: large aperture: 2.54 cm (1 inch)<br/> MAV: middle aperture: 1.5 cm (0.6 inch)<br/> SAV: small aperture: 0.75cm× 1.0 cm (0.3 inch×0.4 inch)<br/> VSAV: very small aperture: 0.3 cm× 0.8 cm (0.12 inch× 0.31 inch) |
| Measurement time interval | 2 s |
| Measurement time | 2 s |
| Measuring aperture | |
| Color space | CIE-L*a*b, L*C*h, L*u*v, XYZ, Yxy, Reflectance, hunterlab, 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 color classification |
| Other colorimetric indices | WI (whiteness) (ASTM E313-10,ASTM E313-73,CIE/ISO, AATCC, Hunter, Taube Berger, Ganz, Stensby)<br/> YI (yellowness) (ASTM D1925，ASTM E313-00,ASTM E313-73), Tint(ASTM E313,CIE,Ganz) Metamerism index Milm, adhesive/changing color fastness, ISO illuminance, 8 gloss, A density, T density |
| Repeatability | light splitting reflectivity：standard deviation within 0.08%<br/> color values:ΔE*ab<=0.015 (<br/> After calibration, standard deviation of 30 measurements on test white board, 5 second intervals),Maximum：0.03 |
| Color matching system | |
| UV light source | |
| Work temperature range | 0 to 45°C, relative humidity 80% or below (at 35°C), no condensation |
| Storage temperature range | 25℃ to 55℃ relative humidity 80% or below(at 35°C ),no condensation |
| Battery capacity | |
| Data being displayed | Samples color values，color difference values/graph，pass/fail results,color error tendency,color value simulation, display measurement area，history data color simulation，manual input standard sample generate measurement report |
| Interface | USB |
| Display | 5 inch TFT touch screen |
| Data storage | 20000 test results |
| Light source longevity | 10 years, 3 million tests |
| Dimension (L*W*H) | 583 × 330 × 304 mm |
| Weight | 18 kg |
Table top spectrophotometer with multiple measuring calibers has applications in measurement of solid as well as liquid material at multiple calibration points.
| Accessories No. | Name |
| 1 | Power cord |
| 2 | USB cable |
| 3 | Driving software |
| 4 | Color QC software |
| 5 | Black and white calibration tile |
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