... Δ(Y, x, y) Δ(X, Y, Z) or Δ(Rs, Gs, Bs) Color space displayed (L*, a*, b*) (L*, C*ab, hab) (Y ... at 45°, measurement at 0°Measuring area:Approx.f2mmDisplay modes:Color differenceΔ(L*,a*,b*), Δ(E*ab,C*ab, H* ... x, y), (X, Y, Z) or (Rs, Gs, Bs).Target color memory:8 channel ; set by measurement or keypadMeasuring range:L ... . 220gAccessories:Instruction manual, Battery, AC adapter, RS232 cable, software CD.