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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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