Innovative Technologies.


Atomic Absorption Analyzer - AAS - Atomic Absorption Spectrophotometer - TWFX2000

Atomic Absorption Spectrophotometer - TWFX2000

Atomic Absorption Spectrophotometer - TWFX2000 is the newest design for analyzing metal samples by determining the presence and concentration of metals with stable performance.

Higher Reliability

  • Aberration eliminated C-T type monochromator with stable performance
  • Modular electronic circuits design with easy operation and maintenance
  • Reliable gas-liquid separator and fuel gas filter device provide the robustness even in a high humid and harsh environment.
  • Higher Safety

  • Intelligent feedback detection technique, real-time monitors the lamp current and protects the hollow cathode lamps.
  • Simple structure modular gas supply system provides a lower fault rate, higher safety and reliability.
  • High precision mass flow controllers and stable electronics in the flame system control the fuel flow accurately. Temperature control protection systems together with dual air circuit breakers in GF system, effectively prevents current overload or abnormal temperature rise. 
  • Multiple safety interlock device and prompt information display prevent possible dangers.
  • More easy to use

  • Unique light source systemwith 8-lamp turret fully automatic change and optimizationsupports 1 lamp working and 7 lamps preheating in the same time.
  • Easy changing emission burner for easily ionized elements such as K, Na, etc., with linear range 3 times that of normal flame.
  • Temperature control modes in graphite furnace analysis can be switched over easily between optical control and constant voltage control, according to different elements and graphite tubes, for the best results and extending the lifetime of graphite tubes.
  • One-click automatic optimization, easy analytical condition setting, expert database support, for easy operation with no worries.
  • Fewer Faults

  • Hamamatsu’s high-performance PMT as the detector.
  • Molding PPS spray chamber has high chemical stability, withstanding high temperature and strong acids etc.
  • The communication system is based on the mature bussing technique. It improves Santi-jamming capability and data transmission reliability.
  • Wavelength Range

  • 190nm ~ 900nm
  • Light Source

  • 8-lamp turret automatically rotates and aligns
  • 2 positions for High-performance lamp.
  • 8-lamp power on and multiple lamp preheat at the same time.
  • Lamp current range: 0~15mA
  • Optical System

  • Czerny-Turner monochromator
  • Diffraction Grating Groove
    blaze wavelength 250nm
  • Focal Length277mm
  • Spectral Bandwidth  0.1nm, 0.2nm, 0.4nm, 0.8nm, 1.6nm
  • automatically changeModel A
  • 0.1nm, 0.2nm, 0.4nm, 1.2nm automatically changeModel B
  • Automatic peak-picking, automatic spectral bandwidth setting, automatic
    energy and wavelength optimization.
  • Flame System

  • 10cm Ti burner head for air-acetylene flame, emission burner
  • Burner head height and horizontal position automatic adjustment, with burner
    angle rotatable.
  • Burner head height push-button adjustable and horizontal position manually
    adjusted, with burner angle rotatable.
    Model B
  • Direct forming spray chamber with corrosion-resistant material PPS
  • Automatic ignition with high precision mass flow control system, realizing
    fully automated fuel gas flow control an adjustment.
  • Graphite Furnace System - Type A

  • Longitudinal heating GF system with temperature up to 3000, heating rate more
  • Two temperature control modes selectable: optical and constant
    . Both slope and stepped temperature programming are
  • Fully automatic GF height and horizontal position setting and
  • Inner gas, external gas and make up gas are controlled separately.
    Circulating water and gas flows monitoring system is equipped.
  • Different types of graphite tubes can be used.
  • Safety Protection

  • Full package of safety protection measures, with hardware and software dual
    alarm system.
  • Real-time monitoring for flame condition and air pressure etc., with
    automatic flame shutting down, gas supply cutting off and activating alarm when abnormal
    such as
    ignition failure, fuel gas leakage, flow control error, etc.
  • Real-time monitoring for GF conditions and heating program etc., with
    automatic power cut-off and alarm when abnormal detected, such as water and gas control error, graphite tube
    installation mistake, and temperature control problem etc..
  • Background Correction

  • D2 lamp background correction, with correction ability more than 30
  • S-H background correction, with correction ability more than 30 times.
    Software and Communication
  • Intelligent operation software compatible to Win 10.
  • One-key operation for instrument optimization, supporting multi-task analysis.
  • Automatic curve fitting, automatic re-slope, automatic concentration
    calculation, etc.
  • Repeat measure1~99 times,
    automatic calculation of Average Value, Standard Deviation, RSD, etc..
  • Standard USB communication port.
  • Power Supply

  • Main Unit for model ASingle phase AC, 110V/220Vmax power consumption:
  • Main Unit for model BSingle phase AC, 110V/220Vmax power consumption:
  • GF Power Supply for model ASingle phase AC, 220Vmax power consumption: 5.5kVA
  • Dimensions and Weight

  • Main Unit for Type A1020mmL×530mmW×500mmH),85kg
  • Main Unit for Type B1020mmL×530mmW×500mmH),80kg
  • GF Power Supply for Type A 350mmL×490mmW×430mmH),40kg
  • Quote Form

    How Can We Help You?

    Contact our sales team for a quotation.

    Please Contact us for pricing, check availability, or ask for additional information about our Atomic Absorption Spectrophotometer – TWFX2000
    Scroll to Top