*Automatic calibration function, to calibrate optical rotation via five standard points(BK-P810A, BK-P850A).
*Peltier temperature control; temperature range: 15~30°C, temperature accuracy: ±0.3°C(BK-P850, BK-P850A).
*5.6" color touch screen for displaying and operating, WINDOWS operating interface.
*Wide measuring range: optical rotation: ±89.99°, optical specific rotation: 259°Z.