◆ 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 |
No. 3 Pingsan Road, Pinggu District, Beijing, China
overseas@pgeneral.com
Tel Phone: 0086 10 6991 0000
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