AAS SPECTROPHOTOMETER MODEL 205

AAS SPECTROPHOTOMETER MODEL 205 Negara Asal: Amerika Serikat Cara Pembayaran: Transfer Bank ( T/ T) Kemas & Pengiriman: 1 unit Keterangan: Product Description Features: • Internal microprocessor generates calibration curve with graphical and tabular formats. • Dual lamp power, one for warm up • High throughput “ Stable Beam” optical system • Modulated HCL power supply to cancel DC emission from flame • Digital readout for absorbance, emission, direct concentration, lamp currents and PMT voltage • Autozero, curve correction, integration and high gain damping features • Bandpass resolution from 0.2 - 0.7 - 2.0nm • Burner safety interlock system for nitrous oxide/ acetylene flame operation • High sensitivity detection using quartz PMT detector • Analog and digital output for chart recorders/ PC data systems • Compact and portable Specifications: 1. Wavelength range 190-900nm 2. Wavelength accuracy 0. 5nm 3. Resolution Two spectral lines of Mn at 279. 5nm and 279. 8nm can be separated with the spectral bandwidth of 0. 2nm and valley-peak energy 4. Ratio less than 30% . 5. Baseline stability 0. 005A/ 30min 6. Background correction The D2 lamp background correction capability at 1A is better than 30 times Burner/ Nebulizer: Polypropylene spray chamber with premix burner and high efficiency adjustable nebulizers ( SS or Pt/ Ru) , Titanium burner heads for Air/ Acetylene, Argon/ Hydrogen and Nitrous Oxide/ Acetylene operation Integration: User selectable times from 0.5 to 10 seconds for Stabi lized readings. Calibration: Automatic, weighted least squares fit to 1st, 2nd, 3rd, or 4th order functions, up to 8 points. Display: 16 Line backlit liquid crystal display for all text & graphics Output Modes: LCD Display, IEEE Parallel port for dot matrix printer, RS-232 Serial Port Dimensions: 39” X 11” X 12” Weight: 50 lbs. ( 80 lbs. shipping) Optional : Lamps