EEMA5201 electrochemical workstation

Features:

1, with more than 60 kinds of electrochemical measurement methods, closely follow the development of electrochemical measurement technology.

2, high measurement resolution, accuracy and anti-interference ability to meet the trace component detection and accurate calibration.

3, a wide range of potential scanning, the maximum ± 12.8V, to ensure organic, passivation, batteries, supercapacitors and other measurements.

4, high-current drive, maximum ± 2A, to ensure the electrolysis, energy storage, corrosion and other large electrode system applications.

5, a wealth of intelligent measurement, fitting technology and professional knowledge base, greatly reducing the workload of experimental operators.

6, excitation and acquisition rate of up to 10Msps, to adapt to high-speed scanning and high-frequency AC impedance spectrometry needs.

7, with polarity, voltage, current, time, link protection mechanism, greatly enhance the safety of storage electrochemical experiments.

8, friendly interface, shortcut menu, intelligent graphics, page-related help, beginners without manual can be smooth operation.

9, RSTSMART series instruments can be online, integrated software synchronization, capillary electrophoresis and electrochemical detection.

The main measurement techniques:

Linear sweep voltammetry LSV: Single potential step current method

Linear sweep stripping voltammetry: single-potential step-counting method CC

Linear sweep cyclic voltammetry LCV: multi-potential step-chronoamperometry

Stepped Voltammetry SV: Multi-Potentiometer Stepped Chronopotentiometry

Step Stripping Voltammetry: Single Current Step Chronopotentiometry

Step Cyclic Voltammetry SCV: Multistage Step Chronopotentiometry

Square wave voltammetry SWV: potentiostatic electrolysis I-T curve

Square wave stripping voltammetry: constant potential electrolysis Q-T curve

Square wave cyclic voltammetry SWCV: potentiostatic dissolution I-T curve

Differential pulse voltammetry DPV: potentiostatic dissolution Q-T curve

Differential pulse stripping voltammetry: open circuit potential E-T curve OCPT

Conventional pulse voltammetry NPV: Potentiometric dissolution E-T curve

Differential conventional pulse voltammetry DNPV: Control current E-T curve

Differential pulse current detection: control potential electrolysis coulometry

Double differential pulse current detection: determination of tin content

Triple Pulse Current Detection: Tafel Tafel

Integral pulse current detection: circular scan

Pulse plating method: pitting potential

Plating Potential Monitoring: Hydrodynamic Modulation Voltammetry

Galvanic corrosion: Electrochemical noise measurement

AC voltammetry ACV: chloride ion concentration monitoring

Exchange Dissolved Voltammetry: Macro Battery Current Monitoring

AC Cyclic Voltammetry ACCV: Half-Cell Constant Current Anode Polarization

Second harmonic AC voltammetry: half-cell constant current cathodic polarization

Fourier transform AC voltammetry: half-cell constant current cyclic polarization

Current scan timing potential method: battery constant current charge

AC Impedance Spectroscopy EIS: Battery Constant Current Discharge

AC Impedance - Potential (Impedance Mode - Potential, Rake - Potential, Mott-Schottky): Battery Constant Current Cycle Charge and Discharge

AC Impedance - Time: Battery full capacity segmented charge

Differential capacitance - Potential: battery full capacity of the segmented discharge

Differential capacitance - Frequency: Constant current limiting voltage fast cycle charge and discharge (dedicated to supercapacitor research measurement)

High resistance potentiometer: zero resistance galvanometer

Technical Parameters:

Instrument architecture: potentiostat, galvanostat, AC impedance spectrometer, F-type

Slot pressure: ± 15V

Potential scan range: ± 12.8V

CV minimum potential increment: 0.0125mV

Potential control accuracy: <± 0.5mV

Potential control noise: <0.01mV

Potential rise time: <0.00025mS

Potential measurement zero: automatic calibration

Potential update and impedance acquisition rate: 10MHz

Potential measurement low-pass filter: automatic or manual setting

Potential measurement accuracy: 0.1% of full scale

Scanning speed: 0.000001V / S ~ 20000V / S

Reference electrode input impedance // Capacitance:> 1013Ω // <10pF

Maximum constant current output: ± 0.5A continuous extender ± 10A

Input bias current: <0.1pA

Current measurement resolution: 0.00076% of the current range, the minimum 0.2fA

Current measurement zero: automatic calibration

Current measurement range: 1pA ~ 0.5A (a total of 25 files)

Pre-magnification: 5 × 10 × 100

Current measurement maximum sensitivity: 1 × 10-12A / V

Current measurement accuracy: 0.1% of full scale

Current measurement low-pass filter: automatic or manual setting

Square wave voltammetry Frequency: 1Hz ~ 100kHz

AC voltammetry frequency: 0.1Hz ~ 10kHz

SHACV frequency: 0.1Hz ~ 5KHz

AC impedance spectrum frequency: 0.00001Hz ~ 1MHz (11 bands)

Sine wave amplitude: 0.01mV ~ 2.3V

CA and CC pulse width: 0.1mS ~ 1200S

DPV pulse width: 0.05mS ~ 64S

IR drop compensation: automatic or manual setting (10Ω ~ 1MΩ)

Multi-step cycle times: 1000 times

Voltage limiting feedback constant current commutation time: <0.1mS

Constant current voltage limiting cycle: 0.1S ~ 100000S

Pulse plating // minimum pulse width: eight-phase pulse can be positive / negative /0.05mS

Battery full capacity charging step: activation, constant current, constant voltage, trickle

Maximum data length: 20,000,000 points

Nitrogen stirring and tapping control output: Two-way switch signal (+ 5V / 10mA)

Extended output: two photoelectric isolated digital signal

Storage electrochemical measurement protection mode: polarity, voltage, current, time, link

Electrode intelligent flexible protection: voltage overload, current overload