... Check the color difference between two samples 2).Tolerance function 3).Auto memory (99 sets) & RS-232 TES-135 ... Z) or Δ(Rs, Gs, Bs) Color space displayed (L*, a*, b*) (L*, C*ab, hab) (Y, x, y) (X, Y, Z ... Y, Z) or Δ(Rs, Gs, Bs) Color space(L*, a*, b*), (L*, C*ab, hab), (Y, x, y), (X, Y, ... °C to 40°C (32°F to 104°F) ; less than 85% relative humidityStorage temperature/humidity range:-10°C to 40°C (14°F to ...