... ,Whiteness Meter, Turbidity Meter,Refractometer, Colorimeter, Tintometer A & E Lab. Main Products: Atomic Absorption Spectrometer (AAS), Fluorescence Spectrophotometer ... liquefied petroleum gas.² Standard accessories: air-compressor, PC software or micro-printer.² LCD Display, touch panel with numeric ... AP1500 Flame Photometer/Spectrophotometer (With Air-compress, PC software, can test K,Na,Li,Ca,Ba)