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| Product Name | IWAVE WF28 color difference Meter | DOHO DR-11 Color color difference Meter |
| Product Price | $719.00 | In coming |
| Details | Details | |
| Model comparison | ||
| Sample type | Plane Powder Liquid | Plane |
| Measurement aperture | Φ8mm | Φ8mm |
| Measurement Geometry | D/8 | D/8 |
| Color difference formula | ΔE*ab | ΔE*ab |
| Parameter comparison | ||
| Optical inspection structure | 8°/d | 8 °/d (8 ° illumination, diffuse reflection reception); conforms to standard CIE No.15, GB/T 3978 |
| Sensor | photodiode array | silicon photodiode |
| Field of view | CIE 10° | CIE 10 ° Standard Observer |
| Illuminant | Blue excitation LED | LED Illuminant |
| Illuminant life | More than 1.60 million measurements in 5 years | More than 1.60 million measurements in 5 years |
| Observational Illuminant | D65 | D65 |
| Measurement caliber | Φ8mm | φ 8mm platform measurement diameter |
| Repeatability of chromatic value | Delta E < 0.07 (the average deviation of the whiteboard is measured 30 times) | Delta E * ab within 0.06 (after instrument preheating correction, the average value of 30 whiteboard measurements at intervals of 5s) |
| Inter-instrument Agreement | ΔE<0.2 | Delta E * ab within 0.4 (BCRA series ⅱ 12 swatches measurement average) |
| Measurement time | 0.5s | 1.5s |
| Reflectance measurement range | L:0~100 | |
| Measurement mode | SCI SCE | |
| Color space | CIELAB、CIELCH | CIE LAB |
| Color difference formula | ΔE*ab | ΔE*ab |
| Calibration method | Built-in whiteboard, automatic correction when powered on | ETC real-time calibrating technology |
| Software support | Color Analysis System Software | CQCS3 Quality Management Software |
| Data storage | 100 master standard data, 100 sample data under each master standard | 100 master standards, 10,000 samples |
| Interface | USB 2.0 (USB-B type) RS-232 (115200bps) | USB |
| display screen | TFT true color display 2.8inch @(16:9) resolution: 400x240 | TFT True Color 2.8inch @(16:9) |
| display content | Technical parameters Coordinate diagram, Color simulation | Chromatic value, color difference value/graph, pass/fail result, Color bias |
| Operating language | Simplified Chinese | |
| Operating temperature | 0℃-40℃（32℉-104℉） | 0~40℃（32~104°F） |
| Allowable relative humidity | Less than 85%, no condensation | |
| Storage temperature | -20℃-50℃（-4℉-122℉） | -20~50℃（-4~122°F） |
| Storage Humidity | Less than 85%, no condensation | |
| Power supply method | Lithium Battery or Power Adapter | Rechargeable lithium-ion battery 3.7V @3200mAh |
| Battery capacity | 3000mAH lithium battery | 3200mAh |
| Dimension | 199*68*90mm | 205*67*80mm |
| Net weight | 700g | 400g |
| Packaging Dimensions | 400*240*340mm | |
| Optional accessories | Liquid test kits, powder test kits, micro printers | Micro printer, powder test box |
| Special features | Measurement port positioning function; three measurement diameters optional | Ergonomic design; Light positioning and cross precision positioning; Low power design; CQCS3 quality management software Data Color management |
