● Built-in computer data processing and LCD display: Highly integrated microcomputer digital circuit, stable and reliable. With integral hold, peak height, peak area, auto-zero, deuterium lamp buckle background, a variety of linear and non-linear curve fitting, screen display of various parameters and working curves, print reports, and other functions, at the same time with an external personal computer interface.
● Reliable baseline stability: The optimized dual-beam system can compensate for light source drift, wavelength drift caused by temperature changes (with the function of eliminating the effect of wavelength drift on baseline stability), and electronic circuit drift, so it has reliable baseline stability The cathode lamp can analyze the sample immediately without long-term preheating. It is the instrument of choice for users who analyze multiple elements and quickly analyze samples.
● High-precision measurement: Because the gas system is equipped with precise voltage stabilization and flow stabilization devices, the flame is stable, the noise is low, and the uniquely designed thin beam passes through the flame to ensure high accuracy and low characteristic concentration of the analytical test.
● High-energy light path: adopting total reflection optical system, achromatic in the full band, and transforming the circular spot of the light source into a long spot into the slit through optical transformation, thereby improving the light flux of the two beams.
● Long-life and corrosion-resistant atomization system: The combustion head uses a new type of titanium alloy material that is resistant to corrosion and rapid thermal equilibrium. It can meet the requirements of stable measurement sensitivity without water cooling.
● Multifunctional analysis methods: flame absorption, flame emission, graphite furnace atomic absorption (with AS-3020 autosampler can be equipped) and hydride generation method.
● Safe and reliable gas system: fast gas switching and safety protection device.
● Complete accessories: complete random accessories, ready to use after purchase.
● AA320NCRT comes with a brand computer and data acquisition software.
● Wavelength range: 190nm ～ 900nm
● Wavelength indication error: ≤ ± 0.5nm
● Wavelength repeatability: ≤0.3nm (unidirectional)
● Spectral bandwidth: 0.2nm, 0.4nm, 0.7nm, 1.4nm, 2.4nm, 5.0nm
● Resolution: <40%
● Baseline stability: ± 0.004Abs / 30min
● Characteristic concentration: The characteristic concentration of copper is ≤0.04μg / ml / 1%
● Detection limit: The detection limit of copper is ≤0.008μg / ml
● Background correction capability: more than 30 times
AA320N / AA230CRT
Light source system
Hollow cathode lamp power supply: adjustable current; deuterium lamp power supply: fixed current
Dual-beam total reflection system, CT type monochromator, radiating wavelength 250nm
Flame atomization system
Interchangeable 100mm and 50mm single-peak titanium alloy combustion head, with pressure indication in the gas path, high-precision voltage regulation flow adjustment, gas cut-off, power-off, anti-tempering functions and logic interlocking protection devices
With built-in microcomputer and liquid crystal display, signal methods include absorbance, concentration, emission, and emission concentration; standard curves include linear regression, curve fitting, and multi-point standard correction: can calculate the average, standard deviation, relative standard deviation, and related data Display and print standard curves, atomic absorption peak plots, spectral contour plots and data, as well as instrument parameter tables and analysis reports
RS232C interface and USB interface
220V, 3A, 50Hz
Host size and weight
1000mm × 530mm × 425mm 130Kg
Model / Option
AA320N / AA320CRT
AS3020 graphite furnace autosampler
For increased automation and measurement accuracy
HGA graphite furnace system
For trace and ultra-trace analysis with absolute sensitivity of 10-10-10-12 grams
Make the characteristic concentration of arsenic, selenium, antimony, bismuth, lead, tin, tellurium, germanium, indium, thallium, cadmium, zinc and other elements lower than ppb level, with cold atomic mercury method
Hollow cathode lamp
Model / Accessories
AA320 / AA320CRT
Main random accessories
Dozens of types, such as air compressors, a copper lamp, external gas pipes, acetylene cylinder pressure reducing valves, water separation filters, etc.