... . Main Products: Atomic Absorption Spectrometer (AAS), Fluorescence Spectrophotometer, Bio-Spectrophotometer, UV Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter ... (W)mm×200(H)mm & 25kg WZZ-2A Auto Polarimeter / Digital Polarimeter / Polarimeter Tester