Category:Spectroscopy
Model:AA 4000
Overview:AA 4000 is a Double Beam Flame Atomic Absorption Spectrometer with PC control. It has 8-lamp turret, auto gas control and auto burner setting, etc.
Dual optics combined for single beam and double beam mode
True Double Beam developed optical noise reduction technology
Automated 8-lamp turret with independent lamp power supply. Non-coded lamp and coded lamp can be used
Automated setting of burner in horizontal and vertical position for each element
Programmable gas control features software-controlled gas flows with automatic setting of gas flow for each element
Optical System Double beam
Monochromator Czerny-Turner type with 2 focal lengths at 355.8 and 345.6nm
Wavelength Range 180-900nm
Grating Holographic diffraction with 1800 lines/mm
Wavelength Repeatability ±0.1nm
Wavelength Accuracy ±0.3nm
Sensitivity (Cu) Approx. 0.9A at 5ppm, RSD≤0.5%
Slit 0.1, 0.2, 0.4, 0.7, 1.4, 2.0nm auto selection
Detector Wide range UV sensitive photomultiplier tube (PMT)
Lamp Auto 8-lamp turret, two heating circuits for preheating lamp operation
Background Correction Deuterium (D2) and Self-absorption
Burner All-titanium 100mm and 50mm burners
Nebulizer Adjustable nebulizer with internal Platinum/Iridium capillary, PEEK Nozzle and fixed ceramic impact bead
Spray Chamber Polyphenylene Sulfide (PPS)
Safety Functions Interlocked safety system prevents selection of the nitrous oxide flame if the nitrous oxide burner is not fitted.
Sensor controls for protection to use the incorrect burner head and check the siphon system.
To ensure correct operating fuel gas and oxidant pressures are maintained also to check the flow rate.
In case of power failure, safety interlocks will shut down the gases automatically.
Power Supply 110V/220V±10%, 50/60Hz, 10000W(max.)
Environment Requirements 10℃ up to 35℃ Rel. humidity max. 85%
Dimension 800*580*575mm
Weight 90kg