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| Product Name | Kingwell JZ-650 High precision color difference Meter | DOHO DR-19 Color color difference Meter |
| Product Price | $848.00 | In coming |
| Details | Details | |
| Model comparison | ||
| Sample type | Plane Concave Powder Paste | Plane Concave |
| Measurement aperture | Φ4mm Φ8mm | Φ4mm Φ8mm Miscellaneous |
| Measurement Geometry | D/8 | D/8 |
| Color difference formula | ΔE*ab ΔE*CH ΔE*cmc(2:1) ΔE*cmc(1:1) | ΔE*ab ΔE*uv ΔE*94 ΔE*00 ΔE*cmc(2:1) ΔE*cmc(1:1) |
| Parameter comparison | ||
| Optical inspection structure | 8/d, with SCI and SCE synchronous test modes | 8 °/d (8 ° illumination, diffuse reflection reception); conforms to standard CIE No.15, GB/T 3978 |
| Sensor | silicon photodiode array | silicon photodiode |
| Field of view | CIE 2°\/10° | CIE 10 ° Standard Observer |
| Observational Illuminant | D65、D50、C、A、F2、F8、F11 | D65,A,C,D50，F2，F6，F7，F8，F10，F11,F12 |
| Measurement caliber | MAV：8mm SAV：4mm | Four caliber: φ 8mm platform, φ 4mm platform, φ 4mm pointed nozzle, φ 40mm large measurement diameter |
| Repeatability of chromatic value | Standard Deviation Delta E * ab ≤ 0.06 (30 measurements after whiteboard correction) | φ 8mm/Delta E * ab within 0.03 (the average value of 30 whiteboard measurements at an interval of 5s after preheating) |
| Color space | L*a*b、L*c*h、Yxy、RGB | CIE LAB,XYZ,LCh,CIE RGB，CIE LUV |
| Color difference formula | ΔE*ab、ΔE*ch | ΔE*ab,ΔE(h),ΔE*uv，ΔE*94,ΔE*cmc(2:1),ΔE*cmc(1:1),ΔE*00 |
| Software support | Standard color software | CQCS3 Quality Management Software |
| Data storage | 20,000 sets of data | 100 master standards, 20,000 samples |
| Interface | USB port | USB |
| display content | Color difference value, chromatic value, color space map, pass/fail judgment, color scheme analysis | Chromatic value, color difference value/graph, pass/fail result, Color bias |
| Operating language | Simplified Chinese, Traditional Chinese, English | |
| Operating temperature | 0-40℃ | 0~40℃（32~104°F） |
| Allowable relative humidity | Relative humidity below 80%, no frost | |
| Storage temperature | 10-30℃ | -20~50℃（-4~122°F） |
| Storage Humidity | Relative humidity below 70% | |
| Power supply method | Dedicated 3200mAh large-capacity lithium battery, AC adapter | Rechargeable lithium-ion battery 3.7V |
| Battery capacity | 3200mAh | 3200mAh |
| Dimension | 196*71*93mm | 205*67*80mm |
| Net weight | 660G (including calibration plate) | 500g |
| Optional accessories | micro printer | Micro printer, powder test box |
| Special features | Double measurement aperture switching, curved surface and small area measurement, auxiliary accessories measurement of large textured items and powder paste objects | Light positioning and cross precision positioning, ergonomic design |
