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| Product Name | CHNSpec CS-420 Spectroscopic color difference Meter | 3NH CR5 Color difference treasure |
| Product Price | $1397.00 | $441.00 |
| Details | Details | |
| Model comparison | ||
| Sample type | Plane | Plane |
| Measurement aperture | Φ8mm | Φ4mm |
| Measurement Geometry | D/8 | D/8 |
| Color difference formula | ΔE*ab | ΔE*ab ΔE*uv ΔE*cmc(2:1) ΔE*cmc(1:1) ΔEab(Hunter) |
| Parameter comparison | ||
| Optical inspection structure | D/8-SCI + SCE (diffuse illumination, 8 ° direction reception, including specular reflection to remove specular reflection) | 8°/d |
| integrating sphere diameter | 40mm | Φ40mm |
| spectroscopy | Optical inspection device | filter spectroscopy |
| Sensor | CMOS sensor | CMOS sensor |
| Field of view | 2°，10° | CIE 2°/10° |
| Illuminant | LED+UV | Light spectrum LED Illuminant |
| Illuminant life | 10 years 1 million times | More than 1.60 million measurements in 5 years |
| UV Illuminant | LED+UV | |
| Observational Illuminant | A, B, C, D50, D55, D65, D75, F1-F12 and other 26 Illuminants | D65,A,C,D50,D55,D75,F1,F2(CWF),F3,F4,F5,F6,F7(DLF),F8,F9,F10(TPL5),F11(TL84),F12(TL83/U30) |
| Wavelength range | 400~700nm | 400~700nm |
| wavelength interval | 10nm | |
| Measurement caliber | Φ11mm | Φ4mm |
| Repeatability of chromatic value | Standard Deviation Value Delta E * ab ≤ 0.03; Average dE * ab ≤ 0.04; MAX Maximum dE * ab ≤ 0.06 (30 measurements at 5 second intervals after the whiteboard is calibrated) | Delta E * ab within 0.1 |
| Inter-instrument Agreement | ΔE*ab≤0.4 | |
| Display accuracy | 0.01 | 0.1 |
| Measurement time | About 1 second | About 1.2s |
| Reflectance measurement range | 0~200% | |
| Reflectance resolution | 0.0001 | |
| Measurement mode | Camera Assisted, Automatic calibration | Single measurement, average measurement (2~ 99 times) |
| Color space | CIE-Lab,CIE-LCh,HunterLab,CIE-Luv,XYZ,Yxy,RGB | CIE LAB, XYZ, Yxy, LCh, CIE LUV, s-RGB, HunterLab, Betxy, DIN Lab99 (partially implemented in APP only) |
| Color difference formula | ΔE*ab,ΔE*cmc,ΔE*94,ΔE*00 | [Delta E * ab, [Delta E * uv], [Delta E * 94], [Delta E * cmc (2:1), [Delta E * cmc] (1:1), [Delta E * 00], [Delta E * 99], [Delta E (Hunter) ] |
| Whiteness/Yellowness/Blackness | Whiteness: ASTM E313-00, etc.; Yellowness: ASTM D1925, etc.; Blackness: My, dM | WI、YI |
| 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 | Dip colour fastness, discoloration fastness, force, coverage |
| Color density | CMYK(A,T,E,M) | |
| Calibration method | Automatic calibration | Automatic calibration; equipped with black and white manual calibration |
| Software support | Android,IOS,Windows | Mobile app (Bluetooth connection) |
| Data storage | APP mass storage | 1000 master standards, 10,000 samples, scalable mass storage through mobile app |
| Interface | USB, Bluetooth | USB; Bluetooth 5.0; button |
| display screen | IPS full color screen, 2.4 inches | TFT True Color 2.8inch @(16:9) |
| display content | Light spectrum reflectance, CIE-Lab Color indicators | Sample chromatic value, color difference value/plot, pass/fail result, Color simulation, Color bias |
| Operating language | Simplified Chinese, English | Simplified Chinese, English |
| Power supply method | lithium battery | Rechargeable lithium-ion battery |
| Battery capacity | 3.7V/3000mAh, single charge can be continuous measurement 8000 times | 3.7V @ 3200mAh |
| Special features | Built-in camera, with UV Illuminant, connected to mobile app, color scheme, color correction function, cloud database | Instrument data search (master standard and sample 50 each); Bluetooth and mobile phone connection to establish cloud personal color database; Color Chart search; Popular color search; Color simulation |
