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Model No: AAS-004
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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 energy separated with the spectral bandwidth of 0.2nm and valley- peak ratio less than 30%
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Baseline Stability
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≤0.005A/30min
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D2 Lamp Background Correction
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1A better than 30 times
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Light Source System
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Lamp Turret
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2 lamps are powerd simultaneously (one preheated).
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Lamp Current Adjustment
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0~20mA
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Lamp Power Supply mode
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400Hz square wave pulse.
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Optical System
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Monochromator
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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 automatic change
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| Flame Atomizer |
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 verical, horizontal positions and the roatation angle of the burner/min. |
Gas line protection
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Fuel Gas leakage Alarm/min
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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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LEC 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. Reporting number is in the range of 1~99
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Measurement mode
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Automatic cureve fitting with 3~7 standards; Sensitivity auto-correction
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Characteristics Concentration and Detection Limit
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Air Acetylene
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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
≤1%
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Dimension
(L x W x H) mm
Weight
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Dimension
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1020 (L) × 492 (W) × 540 (H)mm
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Weight
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80kg , Unpacked
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