... optical rotation, concentration, and sugar degrees. About us: HM PHARMACHINE provides pharmaceutical machines, laboratory instruments and professional turn ... worldwide professional team cooperation, machines and project of HM PHARMACHINE match up international regulations:EU cGMP, USA ... square root. RS232 interface; Measurement range: -45°+45°, -120°Z-+120°Z; Minimum reading: 0.001° Accuracy: ±(0.01°+ ...