... Characteristicsl Wide application range and easy-to-operate feature. l Measure reflection color and transmission color of objects and ... display screenl USBl Measurement window: Ø20mml Wavelength range: 380nm~760nm l Total uncertainty of wavelength (nm): 1l Wavelength repeatability (nm): ... L*, a*, b*; L, a, b; L*, u*, v*; L*, c*, h*l Color difference: Δ E (L*a*b*); ΔE (Lab); ΔE (L*u*v*); ΔL*, ΔC*, ΔH*l ...