Movel Scientific Instrument Co., Ltd.  

Product Name: Automic Absorption Spectrophotometer Aas with Graphite Furnace Model NO.: AA320N Customized: Customized Certification: RoHS, ISO9001, CE Wavelengths: Visible Spectrometer Principle: New Spectrometer Advantage: High Sensitive Warranty: 1 Year Application: Laboratory Apparatus Hs Code:9031809090: 200kgs Gross Weight 1.07cbm Trademark: MOVEL Transport Package: Foam Cartoon Origin: Shanghai HS Code: 9031809090 Product Description AA320N Atomic Absorption SpectrophotometerFeatures:Build-in computer data processing and LCDAdopting highly integrated micro digital circuit, which is stable and reliable with the functions of integral holding, peak height and area, auto zero adjusting, deuterium lamp and background, multi-linear and nonlinear curves fitting, various parameters and working curves displayed in screen and report printing, etc. It is equipped with interface for externally linking PC.Good basic line stabilityDouble-beam system of optimized design can automatically compensate the light source drift and wavelength drift caused by the variation of temperature (with the function of the eliminating the affection of wavelength drift on the base line stability) and electronic circuit drift so as to reach a good basic lineComplete set of accessoriesTo be supplied with the instrument and ready for use after they are purchased.Light-source systemHollow cathode lamp power supply: with adjustable current Deuterium Lamp power supply: with fixed currentOptical systemDouble beam total refection system, C-T type monochromator Flashing wavelength: 250nmFlame atomization systemInter-changeable titanium alloy burner of 10cm and 5cm slits. Gas path is equipped with pressure indication, high precision voltage stabilizing flow adjustment, fast conversion of air and nitrous oxide, gas supply cut off, power cut off, prevention of flashback and logic interlock protection devices.Signal processingSpecifications:Working spectral range: 190-900nmWavelength accuracy: ≤ ±0.5nmWavelength repeatability: ≤ 0.3nm (single direction)Spectrum bandwidth: 0.2nm, 0.4nm, 0.7nm, 1.4nm, 2.4nm, 5.0nmResolution: <40%base line stability: ±0.004Abs/30minCharacteristic concentration of copper: ≤ 0.04mg/ml/1%Detection limit of copper: ≤0.008mg/mlBackground calibration ability: Greater than 30 times.Standby Interface: RS 232Instrument power supply: 220V, 3A, 50Hz.