... a*,b*) Δ(E*ab,C*ab, H*ab) Δ(Y, x, y) Δ(X, Y, Z) or Δ(Rs, Gs, Bs) Color space displayed ... (L*, a*, b*) (L*, C*ab, hab) (Y, x, y) (X, Y, Z) or (Rs, Gs, Bs) Maximum, Minimum and ... L*, a*, b*), (L*, C*ab, hab), (Y, x, y), (X, Y, Z) or (Rs, Gs, Bs).Target color memory:8 ... Approx. 3 minutesPower source:One 9V battery and DC 9V AC adapter inputBattery life:Approx. 500 measurements at 10 – sec intervalsOperating ...