... .Data Processing A & E Lab. Main Products: Atomic Absorption Spectrometer (AAS), Fluorescence Spectrophotometer, Bio-Spectrophotometer, UV Vis Spectrophotometer, Visible Spectrophotometer, Flame Photometer ... .25nmWavelength Repeatability 0.15nmBaseline Stability0.005A/30min AA900FG Atomic Absorption Spectrometer (AAS) / Flame Atomic Absorption Spectrum Spectrophotometer