Specifications

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Overview

Specifications and Techniques
Principles and Applications
Nanopositioner
X, Y, Z resolution: 1.6 nm with Piezo positioner, closed loop control, 8 nm with stepper motor positioner
X, Y, Z total distance: 50 mm
Potentiostat / Bipotentiostat
  • Zero resistance ammeter
  • 2- or 3- or 4-electrode configuration
  • Floating (isolated from earth) or earth ground
  • Maximum potential: ±10 V for both channels
  • Maximum current: ±250 mA continuous (sum of two current channels), ±350 mA peak
  • Compliance Voltage: ±13 V
  • Potentiostat rise time: < 1 μs, 0.8 μs typical
  • Applied potential ranges (volts): ±0.01, ±0.05, ±0.1, ±0.65, ±3.276, ±6.553, ±10
  • Applied potential resolution: 0.0015% of potential range
  • Applied potential accuracy: ±1 mV, ±0.01% of scale
  • Applied potential noise: < 10 μV rms
  • Measured current range: ±10 pA to ±0.25 A in 12 ranges
  • Measured current resolution: 0.0015% of current range, minimum 0.3 fA
  • Current measurement accuracy: 0.2% if current range >=1e-6 A/V, 1% otherwise
  • Input bias current: < 20 pA
Galvanostat
  • Galvanostat applied current range: 3 nA - 250 mA
  • Applied current accuracy: 20 pA ±0.2% if > 3e-7A, ±1% otherwise
  • Applied current resolution: 0.03% of applied current range
  • Measured potential range (volts): ±0.025, ±0.1, ±0.25, ±1, ±2.5, ±10
  • Measured potential resolution: 0.0015% of measured range
Electrometer
  • Reference electrode input impedance: 1x1012 ohm
  • Reference electrode input bandwidth: 10 MHz
  • Reference electrode input bias current: <= 10 pA @ 25°C
Waveform Generation and Data Acquisition
  • Fast waveform update: 10 MHz @ 16-bit
  • Fast data acquisition: dual channel 16-bit ADC, 1,000,000 samples/sec simultaneously
  • External signal recording channel at maximum 1 MHz sampling rate
Other Features
  • Automatic and manual iR compensation
  • Current measurement bias: full range with 16-bit resolution, 0.003% accuracy
  • Potential measurement bias: ±10 V with 16-bit resolution, 0.003% accuracy
  • External potential input
  • Potential and current analog output
  • Programmable potential filter cutoff: 1.5 MHz, 150 KHz, 15 KHz, 1.5 KHz, 150 Hz, 15 Hz, 1.5 Hz, 0.15 Hz
  • Programmable signal filter cutoff: 1.5 MHz, 150 KHz, 15 KHz, 1.5 KHz, 150 Hz, 15 Hz, 1.5 Hz, 0.15 Hz
  • RDE control output (Model 730E and up): 0-10 V (corresponding to 0-10000 rpm), 16-bit, 0.003% accuracy
  • Digital input/output lines programmable through macro command
  • Flash memory for quick software update
  • Serial port or USB selectable for data communication
  • Cell control: purge, stir, knock
  • Maximum data length: 256K-16384K selectable
  • Real Time Absolute and Relative Distance Display
  • Real Time Probe and Substrate Current Display
  • Dual-channel measurements for CV, LSV, CA, DPV, NPV, SWV, i-t
  • CV simulation and fitting program, user-defined mechanisms
  • Impedance simulation and fitting program
Scanning Probe Techniques
  • SECM Imaging (SECM): constant height, constant current, potentiometric and impedance modes
  • Probe Approach Curves (PAC)
  • Probe Scan Curve (PSC): constant height, constant current, potentiometric, impedance, and constant impedance modes
  • Surface Patterned Conditioning (SPC)
  • Surface Interrogation SECM (SISECM)
  • Z Probe Constant Current Control
Sweep Techniques
  • Cyclic Voltammetry (CV)
  • Linear Sweep Voltammetry
  • Tafel Plot (TAFEL)
Step and Pulse Techniques
  • Staircase Voltammetry (SCV)
  • Chronoamperometry (CA)
  • Chronocoulometry (CC)
  • Differential Pulse Voltammetry (DPV)
  • Normal Pulse Voltammetry (NPV)
  • Differential Normal Pulse Voltammetry (DNPV)
  • Square Wave Voltammetry
AC Techniques
  • AC Voltammetry (ACV)
  • Second Harmonic AC Voltammetry (SHACV)
  • Fourier Transform AC Voltammetry (FTACV)
  • AC Impedance (IMP)
  • Impedance versus Potential (IMPE)
  • Impedance versus Time (IMPT)
Galvanostatic Techniques
  • Chronopotentiometry (CP)
  • Chronopotentiometry with Current Ramp (CPCR)
  • Multi-Current Steps
Other Techniques
  • Amperometric i-t Curve (i-t)
  • Differential Pulse Amperometry (DPA)
  • Double Differential Pulse Amperometry (DDPA)
  • Triple Pulse Amperometry (TPA)
  • Integrated Pulse Amperometric Detection (IPAD)
  • Bulk Electrolysis with Coulometry (BE)
  • Hydrodynamic Modulation Voltammetry (HMV)
  • Sweep-Step Functions (SSF)
  • Multi-Potential Steps (STEP)
  • Electrochemical Noise Measurement (ECN)
  • Open Circuit Potential - Time (OCPT)
  • Various Stripping Voltammetry
  • Potentiometry
Experimental Parameters
  • CV and LSV scan rate: 0.000001 to 10,000 V/s, two channels simultaneously
  • Potential increment during scan: 0.1 mV @ 1,000 V/s
  • CA and CC pulse width: 0.0001 to 1000 sec
  • CA minimum sample interval: 1 μs, both channels
  • CC minimum sample interval: 1 μs
  • True integrator for CC
  • DPV and NPV pulse width: 0.001 to 10 sec
  • SWV frequency: 1 to 100 kHz
  • i-t sample interval: minimum 1 μs, both channels
  • ACV frequency: 0.1 to 10 kHz
  • SHACV frequency: 0.1 to 5 kHz
  • FTACV frequency: 0.1 to 50 Hz, simultaneously acquire 1st, 2nd, 3rd, 4th, 5th, and 6th harmonics ACV data
  • IMP frequency: 0.00001 to 1 MHz
  • IMP amplitude: 0.00001 V to 0.7 V rms
2D and 3D Graphics:
  • Interactive visualization of SECM surfaces
  • Color mapping
  • Laplacian smoothing
  • Stereoscopic 3D anaglyph imaging
  • High compatibility: Windows 98 and up, 256 colors (VGA) and up, no special video card or display required
Front View

Front View of Bipotentiostat (top) and Motor Controller (bottom)

Back View

Rear View of Bipotentiostat (top) and Motor Controller (bottom)

 

 

Overview
Specifications and Techniques
Principles and Applications

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