Autolab type II potentiostat/galvanostat

 

      • computer controlled compact potentiostat/galvanostat for electrochemical research and electroanalysis in conjunction with the FTIR, Ellipsometer and SPM
      • controlled with powerful Windows based software that allows the user to do perform a wide variety of electrochemical techniques as well as data analysis

 

Technical Specification

 

Hardware

Maximum output current 80 mA
Maximum output voltage 12 V
Potential range 5 V
Applied potential accuracy 0.2% of setting 2 mV
Applied potential resolution 150 V
Measured potential resolution 300, 150 or 30 V
Current ranges 10 nA to 10 mA in seven ranges
Applied and measured current accuracy 0.2% of current 0.2% of current range
Applied current resolution 0.03% of current range
Measured current resolution 0.0003% of current range
    - at current range of 10 nA 30 fA
Potentiostat bandwidth (measured at 1 mA current range, 1 kOhm impedance, high speed mode) 500 kHz
Potentiostat rise/falltime (1 V step, 10-90%) 1 s
Potentiostat modes high speed / high stability
Input impedance of electrometer > 100 GOhm // 8 pF
Input bias current @ 25C < 1 pA
Bandwidth of electrometer > 4 MHz
Analog outputs (BNC connector) potential and current
Time constants 10 and 100 ms, 1 and 10 s
A/D converter 16-bit with software programmable gains of 1, 10 and 100
Auxiliary input channels 1
D/A converter 16-bit, three channels
Digital I/Olines 48

Software

General Purpose Electrochemical System (GPES)

The GPES software package offers a range of electrochemical techniques. Virtually all electrochemical techniques are available:

  • Cyclic Voltammetry
  • Normal Pulse Voltammetry
  • Differential Pulse Voltammetry
  • Square Wave Voltammetry
  • Chrono-Amperometry/Coulometry/Potentiometry
  • Steps and Sweeps
  • Potentiometric Stripping Analysis
  • AC Voltammetry
  • Pulsed Amperometric Detection
  • Linear Sweep Voltammetry

GPES furthermore offers a wide range of data-analysis tools:

  • baseline correction
  • automatic and manual peak search
  • corrosion rate analysis
  • fit and simulation of data
  • overlaying of curves
  • transition time analysis in potentiometry
  • convolution of data
  • post measurement ohmic drop compensation
  • smoothing by using Fast Fourier Transformation