1.AA500F Atomic Absorption Spectrometer 2.Fully Automated,Advanced Graphite Furnace,Flame Analysis. 3. ... System Auto Change A & E Lab. Main Products: Atomic Absorption Spectrometer (AAS), Fluorescence Spectrophotometer, Bio-Spectrophotometer, UV Vis Spectrophotometer, Visible ... ±0.02nmBaseline Stability0.005A/30min AA500F Flame Atomic Absorption Spectrometer / atomic absorption spectrophotometer