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WF32 more light, more color difference formula to meet customer demand for more measurements. Technical Specifications * Model:WF32 (4mm) * Display Mode: CIELAB.CIELCH.CIEXYZ.CIELUV.HunterLAB.sRGB * Color Difference Formula: △E*ab、△ECMC、△EISO、△ECIE94、△EFCMⅡ、△ELuv、△Ehunter、△EsRGB * Yellowness and Whiteness: Ganci whiteness. ISO brightness. YI yellowness * Illumination Condition: CIE Recommendation:8/d * Light Source: LED blue excitation * Sensor: Photodiode array * Measurement Caliber: φ4mm * Measurement Condition: Observer:CIE 10°Standard observer, Light source:A C D50 D65 F2(CWF) F7 F11(TL84) F12(U30) , Contain light way:SCI SCE * Measurement Range: L: 0 to 100 * Repeated Accuracy: E