... function 3).Auto memory (99 sets) & RS-232 TES-135 Color Meter + Promoting Item & Free ShippingCheck the color ... difference between two samples. Color difference displayed Δ(L*,a*,b*) Δ(E*ab,C*ab, H*ab) Δ(Y, x, ... Z) or Δ(Rs, Gs, Bs) Color space displayed (L*, a*, b*) (L*, C*ab, hab) (Y, x, y) (X, ... 0°Measuring area:Approx.f2mmDisplay modes:Color differenceΔ(L*,a*,b*), Δ(E*ab,C*ab, H*ab),Δ(Y, x, ...