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| Product Name | CHNSpec CS-220 color difference Meter | Kingwell JZ-300 Universal color difference Meter |
| Product Price | In coming | $307.00 |
| Details | Details | |
| Model comparison | ||
| Sample type | Plane Powder Paste | Plane |
| Measurement aperture | Φ8mm | Φ8mm |
| Measurement Geometry | D/8 | 45°/0 |
| Color difference formula | ΔE*ab Δ(L*a*b*) Δ(L*C*h*) | ΔE*ab Δ(L*a*b*) Δ(L*C*h*) |
| Parameter comparison | ||
| Optical inspection structure | 8/d (8 ° illumination/diffuse light), excluding specular reflection (SCE) | 45/0 |
| Field of view | CIE 10° | |
| Illuminant | LED Illuminant | D65 Illuminant |
| Observational Illuminant | CIE D65 Illuminant | |
| Measurement caliber | About φ 8mm | 8mm |
| Repeatability of chromatic value | Standard Deviation Delta E * ab *, within 0.08 (Measurement conditions: measure the white correction plate 30 times to find the average) | Standard Deviation *: within 0.1 (Measurement condition: use standard whiteboard to measure 30 times to take the average) |
| Display accuracy | 0.01 | |
| Measurement time | About 0.5s | About 2s |
| Color space | L * a * b, L * C * h, XYZ, relative RGB values | Lab and Lch models |
| Color difference formula | Δ(L*a*b)，Δ(L*C*h) | L*a*b*、L*C*H*、∆E*ab、∆（L*a*b*）、∆（L*C*H*） |
| Whiteness/Yellowness/Blackness | Whiteness: Hunter whiteness, Gantz whiteness; yellowness: YI | |
| Colour fastness/force/coverage | Dip colour fastness, discoloration fastness | |
| Calibration method | Black and white calibrated | |
| Software support | PC software, computer data management | Color Quality Software |
| Data storage | 100 groups of standard samples, 100 groups of test groups under each group of standard samples | |
| Interface | USB2.0, printer, Bluetooth | |
| display content | Chromatic value: L * a * b, L * C * h, delta E * ab, XYZ, relative RGB value, colour fastness, discoloration fastness; color difference value: delta (L * a * b), delta (L * C * h); whiteness value; yellowness value | Color difference measurement interface, automatically identify color difference and bias |
| Operating language | Chinese, English | Chinese, English |
| Operating temperature | 0℃～45℃ | 0 to 40 ° C |
| Allowable relative humidity | Relative humidity below 80% (35 ℃) No condensation | Below 85% relative humidity |
| Power supply method | 4 AA1.5V alkaline batteries or nickel-metal hydride batteries, special adapter DC5V | 4 AA batteries or dedicated AC adapter |
| Dimension | 77*86*210mm | 110*60*190mm |
| Net weight | 550g | 330G (without battery) |
| Special features | Powder colloid measurement, multi-point test taking average value, manual setting to establish master standard L * a * b value, Chinese and English switching, printing test report | Menu operation, Single and Average Measurement modes, Color space switching, External micro printer |
