... of rotation, specific optical rotation of A & E Lab. Main Products: Atomic Absorption Spectrometer (AAS), Fluorescence Spectrophotometer ... Meter, Colorimeter, Gloss Meter, Tintometer, Automatic Polarimeter, Auto Melting Point Apparatus, Automatic Refractometer, Abbe Refractometer, PH/ ... Measurement:WZZ-2A built-in auto-controlling system. Power on the polarimeter, the system will search for zero point ...