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Atomic Absorption Spectrophotometer NAAS-202

Atomic Absorption Spectrophotometer NAAS-202

Atomic Absorption Spectrophotometer NAAS-202

Atomic Absorption Spectrophotometer NAAS-202 is an analytical instrument that helps in the quantification of trace metal elements on their basis of spectral activity in gaseous states of the test under study. It is a microprocessor-controlled system with an RS232 interface that effectively controls fuel gas of burner and automatic positioning and optimization of each 8 hollow cathode lamp turret. It is equipped with an advanced graphite furnace atomizer with rapid heating and analysis of a sample that retains the accuracy of the instrument. The audible sound alarm system effectively monitors flame conditions and ensures the safety of instruments as well as of the user.


Wavelength Range 190nm - 900nm
Grating Groove 1800/mm
Spectral Bandwidth 0.1nm/0.2nm/0.5nm/1.0nm/2.0nm
Wavelength Accuracy ≤ 0.15nm
Wavelength Reproducibility ± 0.1nm
Wavelength Resolution 0.2nm ± 0.02nm
Baseline Stability ≤ ± 0.002A/30 minutes( static) ; ≤ ± 0.005A/30 minutes.(dynamic)
Background Correction Deuterium Arc 1.0Abs Self Reversal 1.0Abs
Light Source 6 position automatic turret,automatic alignment lamp
Graphite Atomizer Specifications: Cd concentration 0.5 × 10-12g
Detection limits (Cd): 0.4 × 10-12g.
Precision RSD = 3%
Relative Humidity 20-80%
Ambient temperature 15℃-35℃
Power Supply 220V (5%~-10%), 50/60 Hz; 5000VA
Dimensions (L×D×H) 1270 × 640 × 730 mm
Weight 120 kg



It has multidisciplinary applications in field of science for quantitative and qualitative analysis for test samples like blood, serum, food samples, petrochemical etc. It is commonly used in field of food, agriculture, geology, Clinical, Environmental, Mining and Pharmaceutical etc.

Standard Accessories

Accessories No Name
1 3 lamps (Cu,Mg,Fe)
2 PC software
3 Atomizer x 2
4 1.5A/3A fuse x 2
5 USB line
6 Acetylene hose clip x 3
7 3 meter acetylene gas pipe

Optional Accessories

Accessories No Name
1 Acid proof atomizers
2 Hydride generator
3 AAS Flame autosampler
4 Graphite furnace autosampler

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Atomic Absorption Spectrophotometer