Atomic Absorption Spectrophotometer with Liquid Crystal Display has a gas path system that is equipped with precision pressure stabilizing and current stabilizing to reach stable flame and low noise. Atomic Absorption Spectrophotometer utilises multifunctional analysis mode for methods of flame absorption, flame emission, graphic furnace atomic absorption and hydride generation. Atomic Absorption Spectrophotometer is facilitated with double beam system of optimized design to automatically compensate ht light source drift and wavelength drift. Atomic Absorption Spectrophotometer with Liquid Crystal Display is provided with RS 232 standby interface.