EEMA5201 electrochemical workstation Introduction:
EEMA5201 products are all made of high quality CMOS and BiFET integrated circuits, all the major components are imported high quality products. PCB using contemporary EDA design specifications and processes. The use of digital low-noise noise scanning method, effectively reducing the scanning generator generated by the staircase wave quantization noise and differential noise. With high control precision, fast response, stable performance, compact structure and high degree of automation, this instrument can be completely controlled by computer to conduct electrochemical analysis method measurement, so it is suitable for university scientific research and teaching experiment.
Software can achieve the synchronization of graphics and data display. The system can digitally smooth, differentiate and integrate the test curve. It can superimpose, amplify and reduce the polarization curve, and analyze the electrochemical parameters. The device is easy to install and plug and play. Users can use laptop or desktop control. All Chinese window software, friendly interface, easy to use and easy to use in line with the habits of Chinese electrochemical workers.
Mainly used in the following areas:
1. Electrochemistry teaching
2. Electrochemical synthesis
3. Electroplating process development
4. Environmental monitoring
5.Electrolysis,metallurgy, pharmaceuticals
6.Electrochemical Corrosion Research Measurement
7. Battery formation and characteristics of the test analysis
8. Electrochemical analysis
9. Trace element detection
10. Battery Materials Research
11. Development of nanomaterials
12. Bioelectrochemical sensors
13 supercapacitor characteristics of the test analysis
14.Voltage and current time curve recorder 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
Instrument Size: 43×38×15(cm)
Instrument weight: 10kg
The EEMA5201 series consists of high-quality CMOS and BiFET integrated circuits, all of which are made of imported high-quality products. The PCB uses contemporary EDA design specifications and processes. The numerical control low-quantization noise scanning method is adopted, which effectively reduces the quantization noise and differential noise of the staircase wave generated by the scanning generator. The utility model has the characteristics of high control precision, fast response speed, stable performance, compact structure and high degree of automation. The instrument can be completely controlled by a microcomputer for electrochemical analysis, so it is suitable for use in scientific research and teaching experiments in universities.
