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| Product Name | IWAVE WR18 color difference Meter | DOHO DR-19 Color color difference Meter |
| Product Price | $1009.00 | In coming |
| Details | Details | |
| Model comparison | ||
| Sample type | Plane Powder | Plane Concave |
| Measurement aperture | Φ4mm Φ8mm | Φ4mm Φ8mm Miscellaneous |
| Measurement Geometry | D/8 | D/8 |
| Color difference formula | ΔE*ab Δ(L*C*h*) | ΔE*ab ΔE*uv ΔE*94 ΔE*00 ΔE*cmc(2:1) ΔE*cmc(1:1) |
| Parameter comparison | ||
| Optical inspection structure | 8°/d | 8 °/d (8 ° illumination, diffuse reflection reception); conforms to standard CIE No.15, GB/T 3978 |
| Sensor | Digital Diode Array | silicon photodiode |
| Illuminant | D65、A、F2(CWF) | LED Illuminant |
| Illuminant life | More than 1.60 million measurements in 5 years | More than 1.60 million measurements in 5 years |
| Measurement caliber | Φ4mm/Φ8mm | Four caliber: φ 8mm platform, φ 4mm platform, φ 4mm pointed nozzle, φ 40mm large measurement diameter |
| Repeatability of chromatic value | ΔE<0.06 | φ 8mm/Delta E * ab within 0.03 (the average value of 30 whiteboard measurements at an interval of 5s after preheating) |
| 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 | |
| Color space | CIELAB CIELCH CIEXYZ Srgb | CIE LAB,XYZ,LCh,CIE RGB，CIE LUV |
| Color difference formula | ΔE*ab ΔE*LCH | ΔE*ab,ΔE(h),ΔE*uv，ΔE*94,ΔE*cmc(2:1),ΔE*cmc(1:1),ΔE*00 |
| Data storage | Master standard: 100, sample: 20000 | 100 master standards, 20,000 samples |
| Interface | USB 2.0 (USB-B type), RS-232 (115200bps) | USB |
| display screen | TFT True Color 2.8inch @(16:9) resolution 400x240 | TFT True Color 2.8inch @(16:9) |
| Operating language | English/Simplified Chinese | |
| Operating temperature | 0~40℃ | 0~40℃（32~104°F） |
| Allowable relative humidity | Less than 85%, no condensation | |
| Storage temperature | -20~50℃ | -20~50℃（-4~122°F） |
| Storage Humidity | Less than 85%, no condensation | |
| Power supply method | lithium battery | Rechargeable lithium-ion battery 3.7V |
| Dimension | 172*80*60mm | 205*67*80mm |
| Net weight | 350g | 500g |
| Optional accessories | Powder test box, micro printer | Micro printer, powder test box |
