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Specifications
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| General Specification |
Wavelength range |
190-900nm |
| Wavelength accuracy |
±0.5nm |
| Resolution |
Two spectral lines of Mn at 279.5nm and 279.8nm can be separated with the spectral bandwidth of 0.2nm and valley-peak energy ratio less than 30% |
| Baseline stability |
0.005A/30min |
| Background correction |
The D2 lamp background correction capability at 1A is better than 30 times |
| Light Source System |
Lamp turret |
2 lamps are powered simultaneously (one preheated) |
| Lamp current adjustment |
0~20mA
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| Lamp power supply mode |
400Hz square wave pulse
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| Opitical system |
Monochromator |
Single beam, Czerny-Turner design grating monochromator |
| Grating |
1800l/mm |
| Focal length |
277mm |
| Blazed wavelength |
250nm |
| Spectral bandwidth |
0.1nm, 0.2nm, 0.4nm, 1.2nm, automatic change |
| Flame Atomizer |
Burner |
10 cm single slot all-titanium burner |
| Spray chamber |
Corrosion resistant all-plastic spray chamber |
| Nebulizer |
High efficiency glass nebulizer with metal sleeve, sucking up rate:6-7ml/min |
| Position adjustment |
Manual adjusting mechanism for vertical, horizontal positions and the rotation angle of the burner/min |
| Gas line protection |
Fuel gas leakage alarm/min |
| Detection and Data Processing System |
Detector |
R928 Photomultiplier with high sensitivity and wide spectral range. |
| Electronic and microcomputer system |
Automatic adjustment of light source power. Light energy and negative high-voltage auto-balance |
| Display mode |
LEC display of energy and measurement values, concentration direct reading. |
| Read mode |
Transient, time average, peak height, peak area, integral time is selectable in the range of 0.1~19.9s. |
| Scale expansion |
0.1~99 |
| Data processing mode |
Automatic calculation of mean, standard deviation and relative standard deviation. Reporting number is in the range of 1~99 |
| Measurement mode |
Automatic curve fitting with 3~7 standards; Sensitivity auto-correction |
| Result printing |
Measurement data, working curve, signal profile and analytical conditions can all be printed out |
| Instrument self-check |
Check current status of each function key |
| Characteristic Concentration and Detection Limit |
Air-Acetylene |
Cu: Characteristic concentration ≤ 0.25 mg/L. Detection limit ≤ 0.006 mg/L |
| Function expansion |
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Hydride vapor generator can be connected for hydride analysis |
| Dimensions and weight |
Main unit |
102x49x54 cm; unpacked 80kg |
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This specification can be changed without prior notice
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Cost effective AAS spectrometer WFX-320 with reasonable design, adopting the same key parts as in high end instruments, ensures basic functions but less automation to provide an economic model for users.