... 2. Good basic line stability 3. High precision of measurement ATOMIC ABSORPTION SPECTROPHOTOMETER AA320N Characteristics A1. Build-in computer data processing ... deviation and correlation coefficient can be worked out. Standard curves, atomic absorption peak diagram, spectrum outline sketch, data as well as ... : RS 232 11. Instrument power supply: 220V, 3A, 50Hz ATOMIC ABSORPTION SPECTROPHOTOMETER AA320N