Features:
* Automatic calibration function, to calibrate optical rotation via five standard points(BP-810A, BP-850A);
* Peltier temperature control; temperature range: 15 – 30℃, temperature accuracy:±0.3℃(BP-850, BP-850A);
* 5.6 ‘’color touch screen for displaying and operating, WINDOWS operating interface;
* Wide measuring range: optical rotation: ±89.99°, optical specific rotation: 259°Z.