... building materials, food, and printing.Specifications:l Lighting conditions: d/0l Spectrum conditions: ... A, C and 10°, 2° view of field. l RS232l Measurement window: Ø20mm l Wavelength ... l Color: X, Y, Z; Y, x, y; 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 ...