Main 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 |
2 lamp are powered simultaneously (one preheating) |
Lamp current adjustment range : 0~2mA |
Lamp power supply mode |
Powered by 400Hz square pulse |
Optical System |
Monochomator |
Single beam, Czerny-Turner design grating monochromator |
Grating |
1800 l/mm |
Focal length |
277mm |
Blazed wavelength |
250nm |
Spectral bandwidth |
0.1nm, 0.2nm, 0.4nm, 1.2nm, 4 steps |
Adjustment |
Manual adjustment for wavelength and slit |
Flame Atomizer |
Burner |
10cm single slot all-titanium burner |
Spray chamber |
Corrosion resistant all-plastic spray chamber |
Nebulizer |
High efficiency glass nebulizer with metal sleeve, sucking up rate: 6-7 mL/min |
Position adjustment |
Manual adjustment mechanism for vertical, horizontal position and the rotation angle of the burner |
Gas line protection |
Fuel gas leakage alarm |
Detection and Data Processing System |
Detector |
R928 Photomultiplier with high sensitivity and wide spectral range. |
Electronic and micro-computer system |
Automatic adjustment of light source power. Light energy and negative high-voltage auto-balance |
Display mode |
LED 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. Repeating number is in the rang 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 condition can all be printed out. |
Instrument self-check |
Check current status of each function key |
Characteristic Concentration and Detection Limit |
Air-C₂H₂ flame |
Cu: Characteristic concentration ≤0.025mg/L, Detection limit ≤0.006mg/L; |
Function Expansion |
Hydride vapor generator can be connected for hydride analysis. |
Dimension and Weight |
1020 x 490 x 540 mm, 80 kg unpacked |