
APPLICATION
FEATURES
- The suspension design of optical system, vibrate and change of environment temperature won't affect its stability. (Patent number: ZL200620023296. X)
- It takes the lead in adopting 1800/mm diffraction grating, sufficient energy, and high resolution.
- The single short light optical system can have a sufficient power to get a lower detection limit to arsenic, selenium.
- The well designed tungsten lamp and self-absorption background technology can ensure a more accurate calibration results.
The world's first integrated design
- The careful integrated design, install the flame atomizer, graphite oven and power inside a host, achieve a miniaturization instrument. (Patent number: ZL200620023298.9).
- The optimized power technology extends lamp's service life.
- Convenient switchable workbench can switch flame, graphite oven automatically or manual operation automatically and quickly. (Patent number: ZL200620023298.9)
- Optimized power technology to extend the life of the lamp.
- The Safe and reliable control alarm device ensure which can ensure hollow cathode lamp current protection.
- Gas / under-voltage to protect air, gas leakage alarm, overheat graphite furnace and flame under abnormal protection.
- It can support HG-01-type ceramic heater hydride sound device, to achieve the ultra-accurate analysis of Pb, Se, Hg, Bi, Sb, Sn.
- It can also be equipped with graphite furnace auto sampler, automatic configure with standard solution, and achieve fully automatic analysis.
- Then can optional with flame atomic absorption auto sampler, system of nitrous oxide and acetylene gas, and analysi s more than 30 kinds of high-temperature elements.
- It can automatic wavelength positioning, automatic slit switching, lamp current, automatic gain setting which indicators can all reach international advanced level.
- Six lamps turret rotation units are fully automatically controlled by computer, rapid positioning, automatically select elements lamp.
- Truly achieve automatically and a uto-order analysis more than six elements.
- Characterized with automatic ignition, automatic gas flow control, and leak alarm.
Model | Configuration | Type |
AAS-7003 | Hose, flame, graphite furnace | Automatic |

Set of atomic absorption spectrophotometer
- Host: optional model;
- Computer, printer, specialized software and anti-control interface;
- Air: air compressor; high purity argon, acetylene gas (self);
- Elements lamp: (according to user need to select);
- Hydride generator (optional);
- Graphite furnace auto sampler (optional);
- Graphite furnace cooling water tank (optional);
- Spare parts and special tools;
Highly automated data processing workstation
Wavelength range | 190 ~ 900nm |
Monochromator | C-T grating monochromator |
Wavelength repeatability | ≤0.1nm (AAS-7002, AAS-7003) ≤0.2nm (AAS-7000, AAS-7001) |
blaze wavelength | 250nm |
Resolution | better than 0.3nm |
Spectral Bandwidth | 0.1, 0.2, 0.4, 1.0, 2.0 nm five-speed auto switching (AAS-7002, AAS-7003) |
Wavelength accuracy | ± 0.2nm |
Grating grooves | 1800 / mm |
Baseline stability | ≤ ± 0.004A/30min (dynamic), ≤ ± 0.002A/30min (static) |
Cu characteristic concentration | ≤ 0.02 μg / ml |
Precision RSD | ≤ 1% |
Position adjustment | Best regulation for height and angle, replace Flame / hydride in 1min. |
Detection limit | ≤ 0.005 μg / ml |
Combustion head | 50* 100mm interchangeable all-titanium burner head, all-titanium spray chamber |
Cd features volume | 0.5×10-12g |
Temperature range | room temperature~3000 ºC |
Temperature program | Temperature program up to 20 bands, ladder, ramp, Maintain the three kinds of heating methods. |
Heating modes | maximum power heating and light-controlled rapid heating |
Detection limit | 0.5×10-12g |
Precision RSD | ≤ 2% |
Ramp rate | ≥ 2000 ºC / sec. |
Correction methods: deuterium lamp, self-absorption background correction (optional)
Correction capability: 1.5A background correction can be corrected, correction capability> 50-fold.
Analysis: linear equations, nonlinear equations, the standard addition method. Print output: the calibration curve, the signal spectrum, instrument conditions, analysis parameters and results can be automatically stored and printed.
Power supply: 220V, 50Hz, single-phase
Host: 200W, graphite furnace 4KW

Main Features
- Suspended advanced optical system design: the entire optical system installed in the semi-hanging floating optical base, which has good anti-seismic, anti-drift, strong light energy, and high stability.
- Gas automatic protection system: safety interlock protection and anti-tempering device; acetylene leak, air voltage, alarm and automatic power off and breathe under abnormal condition. Automatic switch 6 lamp turret, completely automatically controlled by a computer, rapid positioning, automatically select lights elements. Wavelength automatic positioning, slit switching and lamp current, gain automatically set, full band scan completed positioning within 45s.
- Spectral Bandwidth: 0.1, 0.2, 0.4, 1.0, 2.0 nm five-speed optional. With a flame emission measurement function, provide a variety of measurement method to potassium, sodium, lithium and other alkali metal. Efficient glass atomizer, atomization efficiency up to 38%, 5mg / L Cu solution absorbed luminosity can reach to 0.95A. All-titanium atomization firing system, anti corrosion, oxidation, high temperature, long service life, perfect matching of nitrous oxide / acetylene system, increase more than 30 kinds of high-temperature detection element analysis
- Well-integrated design: the flame atomizer, graphite furnace and graphite furnace power supply are all installed in one host, to achieve the miniaturization of the instrument.
- Excellent graphite furnace power supply design: graphite furnace atomic maximum power does not exceed 4KV, bring small disturbance.
- Advanced table design: two seconds to switch flame / graphite furnace, no need to adjust the optical path
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Factory view


