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Main specification
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Wavelength range
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190-900nm
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Wavelength accuracy
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±0.5nm
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Resolution
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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%.
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Baseline stability
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0.005A/30min
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Background correction
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The D2 lamp background correction capability at 1A is better than 30 times.
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Light Source System
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2 lamps are powered simultaneously (one preheating)
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Lamp current adjustment range: 0~20mA,
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Lamp power supply mode
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Powered by 400Hz square pulse
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Optical system
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Monochomator
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Single beam, Czerny-Turner design grating monochromator
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Grating
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1800 l/mm
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Focal length
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277mm
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Blazed Wavelength
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250nm
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Spectral Bandwidth
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0.1nm, 0.2nm, 0.4nm, 1.2nm 4 steps
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Adjustment
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Manual adjustment for wavelength and slit
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Flame Atomizer
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Burner
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10cm single slot all-titanium burner
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Spray chamber
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Corrosion resistant all-plastic spray chamber.
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Nebulizer
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High efficiency glass nebulizer with metal sleeve, sucking up rate: 6-7mL/min
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Position adjustment
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Manual adjusting mechanism for vertical, horizontal positions and the rotation angle of the burner
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Gas line protection
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Fuel gas leakage alarm
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Detection and Data Processing System
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Detector
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R928 Photomultiplier with high sensitivity and wide spectral range.
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Electronic and micro-computer system
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Automatic adjustment of light source power. Light energy and negative high-voltage auto-balance
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Display mode
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LED display of energy and measurement values, concentration direct reading
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Read mode
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Transient, time average, peak height, peak area.
Integral time is selectable in the range of 0.1-19.9s.
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Scale expansion
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0.1~99
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Data processing mode
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Automatic calculation of mean, standard deviation and relative standard deviation. Repeating number is in the rang of 1-99
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Measurement mode
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Automatic curve fitting with 3~7 standards; Sensitivity auto-correction
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Result printing
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Measurement data, working curve, signal profile and analytical conditions can all be printed out.
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Instrument self-check
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Check current status of each function key
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Characteristic Concentration and Detection Limit
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Air-C2H2 flame
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Cu: Characteristic concentration≤0.025mg/L, Detection limit≤0.006mg/L;
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Function Expansion
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Hydride vapor generator can be connected for hydride analysis.
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Dimensions and Weight
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1020 x 490 x 540 mm, 80kg unpacked
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