
- Analytical method (1)
- Auto-sampler (1)
- Baseline stability (1)
- Blazed Wavelength (1)
- Communication (1)
- Condition reading (1)
- Detector (1)
- Focal length (1)
- Grating (1)
- Lamp current (1)
- Lamp power supply mode (1)
- Lamp turret (1)
- Main unit (1)
- Monochromator (1)
- Multi-task Functions (1)
- Repeat times (1)
- Resolution (1)
- Result printing (1)
- Software (1)
- Spectral Bandwidth (1)
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Spectrophotometer
»ZAAS
»EAZ-570
Model: EAZ-570

Features:
- Adopting constant magnetic field, transverse Zeeman background correction device for both flame and graphite furnace analysis, with super powerful dual atomizer high background correction capability over the whole wavelength range
- Alarm and automatic safety protection to fuel gas leakage, abnormal flow, insufficient air pressure and abnormal flame extinction in flame system
- Alternate use of the shortest optical path, to reduce light energy losses
- Automatic 8×2 lamp turrets, automatic adjustment of lamp current and optimize of light beam position
- Automatic changeover between flame and graphite furnace operation, automatic ignition and automatic gas flow setting
- Automatic spectral bandwidth changing (4)
- Automatic wavelength scanning and peak picking (4)
- Compact structure, small space requirement, easy and simple installation and moving
- Convenient, friendly and reliable AAS software under Windows XP operation system
- Cooling wate monitoring and protection in magnetic field system
- Drain tube water seal monitoring and alarm
- Intelligent analytical quality control, precision control, standard sample check and Spike check functions
- Intelligent fully automated sampler, with automatic working curve generation, automatic tracing and correction of liquid surface height in the sample vessel, automatic long term memorizing of the sampling probe position
- Intensified flame constant magnetic field to improve the analytical sensitivity
- Monitoring, alarm and protection function to insufficient protective gas pressure and cooling water supply in graphite furnace system
- Multiple shielding technology successfully decreases magnetic interference
- New generation bus and internal network technology, enhancing the anti-interference capability of the system
- New generation large scale integration technology with simple and reliable PC boards
- Newly designed graphite furnace and its power supply system with ultra-rapid heating, super long time stability and super high power efficiency
- Parallel flame and graphite furnace atomizer, without mechanical movements and changeover, ensuring long time stability and reliability
- Quasi double beam design to correct baseline drift, shorten preheating time and improve analytical accuracy
- Quick setting, automatic adjustment and automatic optimization of instrument parameters
- Safety monitoring, quick prompt ad protection
- Shortening the distance of power supply reduces power losses dramatically
- Time-sharing dual light sources, no need for changing lamps, increasing the number of analyzable elements to the maximum and reducing operation and adjustment time to the minimum
- User selectable analytical report formats
Specifications:
Main Specification:
Wave length accuracy:
±0.5nm
Resolution:
Better than 0.3nm.
Baseline stability:
0.005A/30min
Light Source System:
Lamp turret:
Automatic 8×2 lamp turrets (Two high performance hollow cathode lamps can be mounted on each turret
Lamp current :
0~15mA
Lamp power supply mode:
200Hz narrow square wave pulse
Optical System:
Spectral Bandwidth:
Flame mode:0.2nm, 0.4nm, 0.8nm, 1.6nm Graphite furnace mode: 0.2,0.4, 1.2nm
Monochromator:
Czerny-Turner type
Grating:
Czerny-Turner type
Focal length:
430mm
Blazed Wavelength:
250nm
Atomizer:
Flame atomizer:
Position adjustment: flame heigh is adjustable
Nebulizer: high efficiency glass nebulizer with metal sleeve
Spray chamber: corrosion resistant all-plastic spray chamber
Burner: 10cm single slot all-titanium burner
Graphite Furnace atomizer:
Temperature range: Room temperature~3000ºC
Heating rate: 2000℃/s
Graphite tube dimensions: 28mm(L)×8mm(OD)
Detection and Data Processing System:
Detector:
R955 Photomultiplier with high sensitivity and wide spectral range.
Software:
Professional AAS software under Windows XP operating system
Analytical method:
Working curve auto-fitting; standard addition method, automatic sensitivity correction, automatic ca
Repeat times:
1~99 times, automatic calculation of mean value, standdard deviation and relative standard deviation
Multi-task Functions:
Sequential measurement for multi-element in same sample
Condition reading:
With model function
Result printing:
Measurement data and final analytical report print out, editing with Excel
Communication:
Standard RS-232 serial port; supporting USB port communication
Background Correction System:
Flame constant magnetic field Zeeman background correction:
Magnetic flux density:1.0T
Graphite furnace constant magnetic field Zeeman background correction:
Magnetic flux density:1.0T
Dimensions and weight:
Main unit:
1160×630×570mm, unpacked 160kg
Auto-sampler:
320×270×260mm, unpacked 15kg
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