AELAB AA990 Series Atomic Absorption Spectrophotometer provides accurate and highly sensitive analysis of trace elements, making it perfect for diverse applications, including environmental, industrial, and chemical testing.
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Key Features & Functions:
1- The device features a motorized 8-position hollow cathode lamp turret, enabling automatic adjustment and optimization of each lamp through software control.
2- Gas flow management for the burner’s fuel gas (C2H2) is also software-controlled, ensuring optimal analytical parameters for selected analyses.
3- Two background correction techniques are available: one uses a Deuterium Arc lamp, and the other is the trusted Self Reversal method.
4- Precision optics with minimal distortion ensure maximum light transmission to the Czerny-Turner Monochromator, which is computer-controlled.
5- Wavelength and peak selection are automatically managed via software.
6- The spectral bandwidth is adjustable, offering a choice of five slit widths.
7- Software controls the electronic parameters for the photomultiplier tube detector, the hollow cathode lamp current, and the balancing of absorbance and background signals.
8- Flame ignition is managed by the computer, and multiple safety interlocks provide a secure operating environment.
Safety Features:
1- The flame conditions are continuously monitored, with an audible alarm triggered if flow rates fluctuate.
2- Constant monitoring of the support gas pressure ensures that any significant changes will stop the fuel gas flow and safely extinguish the flame.
3- A liquid level sensor in the drain prevents ignition if the liquid is too low and shuts off the flame if the liquid level changes abruptly.
4- A flame sensor ensures the gas flow is cut off if the flame unexpectedly goes out.
5- A safety switch ensures the burner is correctly installed before ignition is possible.
6- An emergency flame-off button is included for safe flame termination in case of any issues.
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