... Lab. Main Products: Atomic Absorption Spectrometer (AAS), Fluorescence Spectrophotometer, Bio-Spectrophotometer, UV Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer, Whiteness Meter, Turbidity Meter, Colorimeter, Gloss ... Source220V+/-22V 50Hz +/- 1HzResponse Time(0.1-4)s 6 stages adjustableFluorescence Display Value2.0.00-600.00Data TransmissionUSD2.0 fluorescence spectrophotometer