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| Product Name | CHNSpec CS-200 Precision color difference Meter | IWAVE WF28 color difference Meter |
| Product Price | In coming | $719.00 |
| Details | Details | |
| Model comparison | ||
| Sample type | Plane | Plane Powder Liquid |
| Measurement aperture | Φ8mm | Φ8mm |
| Measurement Geometry | D/8 | D/8 |
| Color difference formula | Δ(L*a*b*) Δ(L*C*h*) | ΔE*ab |
| Parameter comparison | ||
| Optical inspection structure | 8/d (8 ° illumination/diffuse light), including specular reflection (SCI) | 8°/d |
| Sensor | Sensors imported from Japan | photodiode array |
| Illuminant | LED Illuminant | Blue excitation LED |
| Observational Illuminant | CIE D65 Illuminant | D65 |
| Measurement caliber | About φ 8mm | Φ8mm |
| Repeatability of chromatic value | Standard Deviation Delta E * ab * 0.08 or less | Delta E < 0.07 (the average deviation of the whiteboard is measured 30 times) |
| Display accuracy | 0.01 | |
| Measurement time | About 0.5s | 0.5s |
| Measurement mode | Single measurement, multi-point test average | SCI SCE |
| Color space | L * a * b, L * C * h, XYZ, relative RGB values | CIELAB、CIELCH |
| Color difference formula | Δ(L*a*b)、Δ(L*C*h) | ΔE*ab |
| 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 | Built-in whiteboard, automatic correction when powered on |
| Software support | PC software | Color Analysis System Software |
| Data storage | 100 groups of standard samples, 100 groups of test groups under each group of standard samples | 100 master standard data, 100 sample data under each master standard |
| Interface | USB2.0, printer, Bluetooth | USB 2.0 (USB-B type) RS-232 (115200bps) |
| display content | Chromatic value, color difference value, whiteness value, yellowness value | Technical parameters Coordinate diagram, Color simulation |
| Operating language | Chinese, English | Simplified Chinese |
| Operating temperature | 0℃~45℃ | 0℃-40℃（32℉-104℉） |
| Storage temperature | Relative humidity below 80% (35 ℃) | -20℃-50℃（-4℉-122℉） |
| Storage Humidity | Relative humidity below 80% (35 ℃) condensation | Less than 85%, no condensation |
| Power supply method | 4 AA1.5V alkaline batteries or nickel-metal hydride batteries, special adapter DC5V | Lithium Battery or Power Adapter |
| Dimension | 77*86*210mm | 199*68*90mm |
| Net weight | 550g | 700g |
| Special features | Camera view, manual establishment of master standard L * a * b value, multi-point sampling average | Measurement port positioning function; three measurement diameters optional |
