... , Se, Sb, Bi, Pb, Sn, Te, Ge, In, Model GD320N Atomic Absorption SpectrophotometerCharacteristics A Build-in computer data processing ... Deuterium Lamp power supply: with fixed currentOptical system: Double beam total refection system, C-T type monochromator Flashing wavelength: 250nm ... available.Software with I/O portPrinterOverall dimension & weight: Model GD320N Atomic Absorption Spectrophotometer