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| Product Name | CHNSpec CS-421 Spectroscopic color difference Meter | EVERFINE PSC-40B Portable ColoriMeter |
| Product Price | $1655.00 | $4882.00 |
| Details | Details | |
| Model comparison | ||
| Sample type | Plane | Plane Concave |
| Measurement aperture | Φ4mm | Φ8mm Φ11mm |
| Measurement Geometry | D/8 | D/8 |
| Color difference formula | ΔE*ab | ΔE*ab Δ(L*C*h*) ΔE*uv ΔE*94 ΔE*00 ΔE*cmc(2:1) ΔEab(Hunter) |
| Parameter comparison | ||
| Optical inspection structure | D/8-SCI + SCE (diffuse illumination, 8 ° direction reception, including specular reflection/removing specular reflection) | D/8° |
| integrating sphere diameter | 40mm | |
| spectroscopy | Optical inspection device | |
| Sensor | CMOS sensor | |
| Field of view | 2°，10° | |
| Illuminant | LED+UV | |
| Illuminant life | 10 years 1 million times | |
| UV Illuminant | LED UV | |
| Observational Illuminant | A, B, C, D50, D55, D65, D75, F1-F12, CWF, U30, U35, DLF, NBF, TL83, TL84 and other 26 kinds | |
| Wavelength range | 400~700nm | |
| wavelength interval | 10nm | |
| Measurement caliber | Φ4mm | Φ11/Φ8mm |
| Repeatability of chromatic value | Standard Deviation Delta E * ab ≤ 0.03; Mean dE * ab ≤ 0.04; MAX Maximum dE * ab ≤ 0.06 | <0.03ΔE*ab |
| Inter-instrument Agreement | ΔE*ab≤0.4 | AVG 0.2 ΔE*ab |
| Display accuracy | 0.01 | |
| Measurement time | About 1 second | |
| Reflectance measurement range | 0~200% | 0~175% |
| Reflectance resolution | 0.0001 | |
| Measurement mode | camera positioning | SCI and SCE |
| Color space | CIE-Lab, CIE-LCh, HunterLab, CIE-Luv, XYZ, Yxy, RGB | CIELabCh, CIELab, CIELCh, HunterLab, XYZ, CIELuv, CIE1960UCS, CIE1976UCS, yellowness index, shade index, luminance factor, whiteness index, Metamerism index MI |
| Color difference formula | ΔE*ab, ΔE*cmc, ΔE*94, ΔE*00 | CIELab、CIELch、CIELuv、CMC、CIE1994、CIE2000、HunterLab、Metamerism |
| Whiteness/Yellowness/Blackness | Whiteness (ASTM E313-00 and other 5 types), Yellowness (ASTM D1925 and other 3 types), Blackness (My, dM) | Whiteness index, yellowness index |
| Tint/Metamerism | Tint (ASTM E313-00), Metamerism Milm | Metamerism Index MI |
| Colour fastness/force/coverage | Dip colour fastness, discoloration fastness, force (dyestuff strength/Tinctorial Strength), hiding power | |
| Color density | CMYK(A,T,E,M) | |
| Calibration method | Automatic calibration | |
| Software support | Android, iOS, Windows (with color scheme app) | |
| Data storage | APP mass storage | Large capacity memory space, easy to deal with 10,000 sets of tests |
| Interface | USB, Bluetooth | USB，WIFI |
| display screen | IPS full-color screen, 2.4 inches | Large size color touch screen |
| display content | Light spectrum reflectance, Color index, etc | Clear at a glance, easy to operate |
| Operating language | Simplified Chinese, English | |
| Power supply method | Built-in lithium battery | Lithium battery powered |
| Battery capacity | 3.7V/3000mAh | Large capacity |
| Special features | Built-in camera, with UV Illuminant, support color scheme/color repair App, cloud database sharing | Adopt technology to monitor and compensate for Illuminant changes in real time, Stability is higher; Vertical structure, can quickly locate the measurement area, can accurately measure plane and surface samples |
