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AA500FG Fully Automated Atomic Absorption Spectrophotometer with Single beam Fully Automated Single Beam Flame & Graphite Atomic Absorption Spectrophotometer AA500FG Features & Functions AA-Win Pro software provides full control of the instrument and auto sampler with easy method change for each technique Automatic 8 Hollow Cathode lamp turret controlled and optimized by the AA-Win Pro software. Operating lamp current and warm-up current can be individually controlled to