... two samples. Color difference displayed Δ(L*,a*,b*) Δ(E*ab,C*ab, H*ab) Δ(Y, x, y) Δ(X, Y, Z) or ... , Bs) Color space displayed (L*, a*, b*) (L*, C*ab, hab) (Y, x, y) (X, Y, Z) or ... Approx.f2mmDisplay modes:Color differenceΔ(L*,a*,b*), Δ(E*ab,C*ab, H*ab),Δ(Y, x, y), Δ(X, Y, Z) or ... : White LED lamp.Repeatability:Standard deviation within ΔE*ab 0.5(Measurement conditions : Average of measurements of standard ...