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Model No. : | DW-AA2081 |
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Brand Name : | Drawell |
Product description
Wavelength range | 190nm——900nm |
Grating groove density | 1800 lines |
Monochromator | Czerny-Turner |
Spectral Bandwidth | 0.2,0.4,1.0,2.0nm,multi-speed automatic switching |
Wavelength accuracy | ±0.25nm |
Wavelength repeatability
| 0.05nm |
Baseline drift | 0.002A/30min |
Detector | Wide spectral range photomultiplier tube |
Resolution | Can distinguish Manganese light between light 279.5nm and 279.8nm two-manganese and troughs of energy between the two lines should be less than 20% |
Lamp holder | 4 lamp auto switch (6 lamp optional) |
Lamp power supply mode | 400Hz square wave pulse |
Lamp current adjustment range | 0 - 10mA average current |
Characteristic concentration (Cu) | 0.025μg/ml/1% |
Detection limit (Cu) | 0.006μg/ml |
Burner | 100mm single slit titanium burner, air-cooled pre-mixed |
Precision | RSD≤1% |
Sprayer | Set of efficient metal glass spray |
Room Spray | Corrosion-resistant plastic spray chamber |
Safety measures | With a variety of automated security features, acetylene gas leakage alarm, shut down the system |
Measurement | Air - acetylene flame method, hydride generation atomic absorption spectrometry, oxygen enriched air - acetylene flame method |
Concentration calculation | Automatic working curve fitting, automatic calibration sensitivity automatically calculated concentration levels. |
The number of repeated measurements | 1 to 99, automatic calculation of average concentration, standard deviation, relative standard deviation.
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Print results | Print the final stages of test data or analysis. The results can be exported into Excel worksheet. |
Software Environment | Windows XP/Vista operating system, the English professional software |
Power supply | AC 220V/50HZ |
Power | 150VAC |
Weight | 70kg |
Volume | 1000mm (length) × 400mm (width) × 470mm (high) |
Operating temperature | 10~35℃ |
Working humidity | ≤80% |
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