Atomic Absorption Spectrophotometer, Model AAS-4200

The AAS-4200 Atomic Absorption Spectrophotometer Fully Automated Flame & Graphite Furnace System is a high performance automated instrument designed to meet the requirements of the modern laboratory.

Technical Specifications
Spectrometer System	: Wavelength range	: 185nm – 910nm
	: Light Source	: Hollow cathode lamp (HCL), Deuterium Arc lamp (D2)
	: Modulation	: Square Wave Pulse
	: Modulation frequency	: 100Hz Self reversal (SR) background, 400Hz Deuterium Arc (D2) background
Monochromator	: Grating	: 1800 grooves/mm diffraction grating
	: Blazed Wavelength	: 250nm
	: Focus	: 300nm
	: Bandwidth	: 0.1nm, 0.2nm, 0.4nm, 1.0nm, 2.0nm (Software selectable)
	: Scan mode	: Automatic
	: Photometric Type	: Single Beam
	: Wavelength Accuracy	: ± 0.15nm
	: Wavelength Resolution	: 0.2nm ± 0.02nm
	: Wavelength Reproducibility	: < 0.05nm
	: Baseline Stability	: 0.005Abs/30min
	: Background Correction	: Deuterium Arc (D2) 1.0Abs, Self Reversal (SR) 3.0Abs
Flame Analysis	: Flame Types	: Air/Acetylene, Nitrous Oxide/Acetylene, Air/Propane (LPG)
	: Sensitivity (Cu)	: 2ug/ml Absorption >0.28Abs
	: Characteristic Concentration	: Cu < 0.02ug/ml, Ba < 0.15mg/ml (N20/Acetylene)
	: Detection Limit	: Cu < 0.004ug/ml
	: Repeatability	: Cu < 0.7% (Air/Acetylene Flame); Ba < 1.0% (Nitrous Oxide/Acetylene Flame)
	: Burner heads	: Titanium Alloy
	: Nebuliser	: High efﬁciency glass, Acid proof available as an option
	: Pre-mix Chamber	: Corrosion Resistant
	: Atomiser Selection	: Automatic changeover (AAS-4200), Manual (AAS-3800)
	: Safety Features	: Burner identiﬁcation, Flame Sensor, Gas Leak Sensor, Low Gas Pressure Sensor, Drain Trap Sensor, Power Loss Protection
Graphite Furnace Analysis	: Graphite Head	: Transversally Heated
	: Temperature Range	: Ambient – 3000°C
	: Heating Program	: Up to 10 steps. Drying, Ashing, Atomisation, Cleaning
	: Feedback	: Voltage and Optical temperature control feedback
	: Sensitivity (Cu)	: 50ng/ml Absorption > 0.40Abs
	: Detection Limit	: Cd < 0.004ng/ml
	: Repeatability	: Cu < 2.0%, Cd < 2.0%
	: Graphite Tubes	: Pyrolytically Coated with Platform
	: Sample Size	: Up to 20ul
	: Graphite Cooling	: Water Circulator Available
	: Safety Features	: Argon Pressure Sensor, Water Flow Sensor, Over Temperature Sensor, Broken Tube Protection
Data Processing	: PC System	: PC, Windows Operating System
	: Operating Program	: AA Win 3.0 software
	: Analytical Methods	: Flame AA, Flame AE, Graphite Furnace, Hydride Generation
	: Readout Mode	: Continuous, Peak Height, Peak Area
	: Calibrations	: Multi-Standard Calibration, Standard Addition, Interpolation
	: Data Storage	: Analytical results, instrument and measurement parameters, signal proﬁle, calibration curve
Power Requirements	: Main Unit	: 220VAC 50/60Hz
Power Requirements	: Graphite Power Supply	: 220VAC 50/60Hz Instantaneous power 7KW
Dimensions	: Main unit	: 110cm x 54cm x 54cm 75Kg
Dimensions	: Graphite Power Supply	: 50cm x 54cm x 54cm 70Kg