◆ Easy-to-use software
- Automatic positioning and optimization of each hollow cathode lamp
- Control the fuel gas flows of the burner to optimize the best analytical. Parameters
- Control the Czerny – Turner Monochromator
- Locate the wavelength and select the peak
- Control the electronic parameters of the photomultiplier tube detector and hollow cathode lamp current
- Balance the absorbance and background energy
- Control the ignition of the flame
- Optimize the best heating program
◆ Integrated safety precautions for user protection by following:
- Burner Switch
- Flame Sensor
- Gas leak Sensor
- Drain Trap Sensor
- Power Loss Protection
- Circulation Water (graphite)
- Over Temperature Sensor (graphite)
◆ Precision accuracy with integrated correction system
◆ Life cycle value, best choice for less than 8 elements of analysis.
AA990F / AA990G / AA990FG | |
Spectrometer System | |
Wavelength range | 190-900 nm |
Light source | HCL & Deuterium Lamp |
Monochromator | |
Grating | 1800 grooves/mm |
Spectral bandwidth | 0.1, 0.2, 0.5, 1.0, 2.0, 5.0 nm with automatic changeover |
Scan mode | Automatic |
Optical system | Single beam |
Wavelength accuracy | ±0.15 nm |
Wavelength resolution | 0.2 nm±0.02 nm |
Wavelength reproducibility | <0.15 nm |
Baseline stability | 0.004 Abs/30 min |
Background correction | Deuterium Arc & Self Reversal |
Flame Analysis | |
Flame type | Air/acetylene |
Sensitivity (Cu) | 2 μg/ml Absorption>0.280 Abs |
Characteristic Concentration | Cu<0.04 μg/ml |
Detection limit | Cu<0.006 μg/ml |
Repeatability | Cu<1.0 % |
Burner head | Titanium alloy |
Nebulizer | High–efficiency glass / acid proof |
Pre-mix chamber | Corrosion resistant |
Graphite Furnace Analysis | |
Graphite head | Transversal heating |
Temperature range | Ambient-2650 ℃ |
Heating program | Up to 10 steps. Drying, Ashing, Atomization, Cleaning |
Feedback | Voltage and optical temperature control feedback |
Sensitivity (Cu) | 50 ng/m Absorption>0.40 Abs |
Detection limit | Cd<0.01 ng/ml |
Repeatability | Cu<3.0%, Cd<4.0% |
Graphite tubes | Pyrolytically coated with platform |
Sample size | Up to 20μl |
Graphite cooling | Water circulator available |
Data Processing | |
Operating program | AA Win software |
Analytical methods | Flame AA/ Flame AE/Graphite Furnace/Hydride Generation |
Readout Mode | peak height, peak area |
Calibrations | Multi-standard calibration, standard addition, interpolation |
Data storage & print out | parameters, data, spectra & calibration curves |
Power Requirements | |
Main unit | 220 VAC 50/60 Hz 200 W |
Graphite power supply | 380 VAC 50/60 Hz 7000W |
Dimensions | |
Main unit | 1100 * 500 * 450 mm / 75kg |
Graphite power supply | 500 * 500 * 50 mm / 70kg |