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| Product Name | IWAVE WF28 color difference Meter | Kingwell JZ-650 High precision color difference Meter |
| Product Price | $719.00 | $848.00 |
| Details | Details | |
| Model comparison | ||
| Sample type | Plane Powder Liquid | Plane Concave Powder Paste |
| Measurement aperture | Φ8mm | Φ4mm Φ8mm |
| Measurement Geometry | D/8 | D/8 |
| Color difference formula | ΔE*ab | ΔE*ab ΔE*CH ΔE*cmc(2:1) ΔE*cmc(1:1) |
| Parameter comparison | ||
| Optical inspection structure | 8°/d | 8/d, with SCI and SCE synchronous test modes |
| Sensor | photodiode array | silicon photodiode array |
| Field of view | CIE 10° | CIE 2°\/10° |
| Illuminant | Blue excitation LED | |
| Illuminant life | More than 1.60 million measurements in 5 years | |
| Observational Illuminant | D65 | D65、D50、C、A、F2、F8、F11 |
| Measurement caliber | Φ8mm | MAV：8mm SAV：4mm |
| Repeatability of chromatic value | Delta E < 0.07 (the average deviation of the whiteboard is measured 30 times) | Standard Deviation Delta E * ab ≤ 0.06 (30 measurements after whiteboard correction) |
| Inter-instrument Agreement | ΔE<0.2 | |
| Measurement time | 0.5s | |
| Reflectance measurement range | L:0~100 | |
| Measurement mode | SCI SCE | |
| Color space | CIELAB、CIELCH | L*a*b、L*c*h、Yxy、RGB |
| Color difference formula | ΔE*ab | ΔE*ab、ΔE*ch |
| Calibration method | Built-in whiteboard, automatic correction when powered on | |
| Software support | Color Analysis System Software | Standard color software |
| Data storage | 100 master standard data, 100 sample data under each master standard | 20,000 sets of data |
| Interface | USB 2.0 (USB-B type) RS-232 (115200bps) | USB port |
| display screen | TFT true color display 2.8inch @(16:9) resolution: 400x240 | |
| display content | Technical parameters Coordinate diagram, Color simulation | Color difference value, chromatic value, color space map, pass/fail judgment, color scheme analysis |
| Operating language | Simplified Chinese | Simplified Chinese, Traditional Chinese, English |
| Operating temperature | 0℃-40℃（32℉-104℉） | 0-40℃ |
| Allowable relative humidity | Less than 85%, no condensation | Relative humidity below 80%, no frost |
| Storage temperature | -20℃-50℃（-4℉-122℉） | 10-30℃ |
| Storage Humidity | Less than 85%, no condensation | Relative humidity below 70% |
| Power supply method | Lithium Battery or Power Adapter | Dedicated 3200mAh large-capacity lithium battery, AC adapter |
| Battery capacity | 3000mAH lithium battery | 3200mAh |
| Dimension | 199*68*90mm | 196*71*93mm |
| Net weight | 700g | 660G (including calibration plate) |
| Packaging Dimensions | 400*240*340mm | |
| Optional accessories | Liquid test kits, powder test kits, micro printers | micro printer |
| Special features | Measurement port positioning function; three measurement diameters optional | Double measurement aperture switching, curved surface and small area measurement, auxiliary accessories measurement of large textured items and powder paste objects |
