Potentiostat galvanostat Versastat series

Galerie et schémas techniques

Description

Caractéristiques

• 2 Modèles et 12 versions pour répondre au mieux à votre besoin
• Logiciel évolutif Versastudio
• Interface USB

Spécifications techniques

636A

Rotating Ring-Disk Electrode System

CMRR

60 dB at 100 kHz (typical)

Mode

Potentiostatic / Galvanostatic

K0047

Corrosion Cell Kit

K0235

Flat Cell Kit

K0264

Micro-Cell Kit

Sweep

Linear or Logarithmic

Tafel

polarization resistance (Rp)

± 2A

electrode etc.)

616A/B

Rotating Disk Electrode system (A for 110 V / B for 220 V)

Filter

off, 1 kHz, 200 kHz

K0269B

Faraday Cage

Ranges

12 decades, 200 mA to 4 pA

Series

many different applications including Corrosion, Energy

Weight

10 lbs, 4.5 kgs

QCM922A

Quartz Crystal Microbalance

RDE0018

Analytical Cell Kit

includes

techniques which can be easily

Bandwidth

≥10 MHz (-3dB) General

Impedance

Voltammetry Energy

Power CCD

Using the carefully designed menus, even

Slew rate

≥8 V per μs typical (no load)

Split LPR

techniques are available by importing data into

standards

LPR, Tafel, Cyclic Polarization

Dynamic IR

Yes

FRA option

FRA/VersaSTAT3 FRA/VersaSTAT4

VersaSTAT3A

VersaSTAT4A

VersaSTAT4A

± 4 nA / 120 fA Pentium 4 (1 GHz) / 1 GB memory

Voltammetry

automatically sequence the potentiostatic,

experiments

Specifications not listed default to the connected potentiostat.

Electrometer

Software VersaStudio

Configuration

Current measurement

Current CCDPL

This makes the system very easy for novice users.

Galvanostatic

such as solution resistance and polarization

The VersaSTAT

VersaSTAT LC

Voltage range

± 10 V

coatings etc.

analysis. A basic voltammetry system

mass transfer

Normal and differential pulse

Constant Power

experiments such as cyclic voltammetry are up

Galvanodynamic

resistance

Resistance CCD

complicated experimental sequences, (e.g. battery

on the market.

Constant Resistance

Frequency range

1 MHz to 10 μHz

Input Impedance

>1014Ωin parallel with <200 fF, typical

Input impedance

≥1012Ωin parallel with≤5 pF (typical) 250 V A Max.

Leakage current

≤5 pA at less than 25°C

Max input range

±10 V

Chronocoulometry

Flexible experiment setup that can

Model Number for

Model Number for

Voltage accuracy

±0.2% of reading, ±2 mV

Chronoamperometry

core facilities that provide everything you would

Maximum scan rate

5000 Vs-1(10 mV step) Measurement synchronized to V and I

Multi-Vertex Scan

expect from a high quality electrochemical test

Positive feedback

Yes

(Impedance module)

rebar corrosion, inhibitors, biomedical

Current compliance

± 2 A

Input Bias Current

<200 fA at 25°C

Maximum scan range

± 10 V / 300 μV Auxiliary voltage input

Minimum resolution

6 μV

Stability settings

six settings; high stability, 1 MHz-100 Hz

VersaSTAT4A (only)

4 nA: <0.5% ±20 pA

Voltage compliance

± 12 V

Voltage Measurement

Operating temperature range 10°C to 50°C

Galvanic Control LPR

the popular ZSimpWin option package. A range

Time base resolution

±0.2%of range

VersaStudio software

Voltammetry providing fundamental electrochemical

trace metal analysis

Data acquisition variables to control the

Applied Current Range

± full scale per range

Applied voltage range

± 10 V

Common Mode Rejection

>60 dB @ 100 Hz, >50 dB @ 100 kHz

Low Current Interface

VersaSTAT-LC VersaSTAT-LC

Low current interface

Both models add range to 4 pA

Maximum Voltage Range

± 10 V maximum

Minimum Current Range

4 pA (4 x 10-12A)

Bandwidth limit filter

Yes, five total

Battery, Fuel Cell and

Our instruments are ideal for running test standards

Dimensions (w x d x h)

16.25” x 15.25” x 3.5” 421 x 387 x 89 mm

Potentiostat bandwidth

1 MHz

Automatic noise filters

Enabled / disabled

Charge-Discharge, CC-CV

and running with surprisingly few menu entries.

Supercapacitor Research

such as the ASTM F2129 “Standard Test Method

using high current (2A)

Current (A), and Capacity (Ah)

Applied Current Accuracy

± 0.5% of range, ±0.5% of reading

Applied current accuracy

±0.2% of reading, ±0.2% of range, ±200 pA

Applied voltage accuracy

± 0.2% of value ± 2mV Digital inputs / outputs 5 TTL logic outputs, 2 TTL logic inputs

Communications interface

Universal Serial Bus (USB)

3 x 16-bit ADCs V3A & V4A

2A to 200nA: ±0.2% of reading,

Isolation User-selectable

Floating (Isolation) or Grounded

Applied Current Resolution

± 1/32,000 x full scale

Applied current resolution

±1/32,000 x full scale

Electrochemical Noise (EN)

Comprehensive EIS analysis and fitting

Input Voltage Differential

± 10 V

Minimum Current Resolution

122 aA (122 x 10-18A)

Rise time (-1.0V to +1.0V)

<350 ns (no load) Impedance (EIS) option

as passivation and pitting

due to corrosion products being deposited in the

Sequencing of loop, EIS and

Chronoamperometry and

for ±10 V signal = 300 μV

Interfaces(included as standard)

Data acquisition VersaSTAT4A

120 fA (4 nA range)

Minimum AC voltage amplitude

0.1 mV RMS

Sequencing of EIS and linear

applications such as charge / discharge

Max. Current Range/Resolution

± 200 mA / 10 μA

Min. Current Range/Resolution

± 4 pA / 122 aA

polarization resistance (LPR)

cycling of batteries for cell-life

sensitivity may be necessary.

Bandwidth 700 kHz (-3 dB)

Reverse Normal Pulse Voltammetry

Default ASCII text format for ease of import to

Charge-discharge / EIS experiment

analysis and GSM / CDMA mobile

The impressive combination of the

Floating capability for testing ground connected cells

delay steps to investigate trends

chronopotentiometry used in many Corrosion

of impedance over time, (e.g. the

electrochemical applications

of the VersaSTAT systems as a field

provide a range of scan, step and pulse testing and research of energy devices

Impedance analysis may also be added

corrosion scientist investigating coatings,

and to provide impedance analysis of

that are of particular importance for the

and fuel cell lifetime investigations

used in electrodeposition applications

cost alternative. The advanced system

Cyclic Charge/Discharge (CCD)

(EIS) capabilities may be added to any

(VersaSTAT-200, -450, and -500) -500) provide techniques designed for

Electrochemical Impedance Spectroscopy

The advanced voltammetry systems The energy systems (VersaSTAT-450 and

Exceptional performance at low-current

VersaSTAT3A and VersaSTAT4A:

sequencing for battery, supercapacitor

phone pulse test applications). Also

Galvanostatic EIS - particularly useful

VersaSTAT is properly equipped

the impedance of electrochemical cells,

microelectrode studies, sensor research,

Current accuracy (DC) VersaSTAT4A (only)

20 nA: ±0.2% of reading,

EIS analysis of batteries and fuel cells

for actions that include Potential (V),

Potentiostatic EIS - widely used for the

discharging energy devices

techniques to verify corrosion rate data

investigation

Floating capability as standard for fuel-

techniques. Pulse Voltammetry methods also available

Once attached to the VersaSTAT system and

20 nA and 200 nA ranges < 0.5% full scale

upgradeable option. This provides a range

techniques that are of importance such as batteries, super capacitors, and

± full scale (depends on range selected)

DAC voltage output (standard) BNC connector (for stirrers, rotating disk

Various systems combining hardware and the

voltammetry electrochemical experiment types are

software, makes the VersaSTAT-A series the

Capacity-vs-Cycle Number or Coulombic Efficiency, as

best value system for electrochemical tests

well as dedicated techniques such as Constant Power,

of fully integrated techniques for studying

in analytical electrochemistry, fuel cells. These techniques include:

technology. This, together with VersaStudio

Energy providing charge-discharge curves for

sensors, batteries / fuel cells, corrosion /

electrodeposition and battery/fuel cell

synchronized - voltage / current / auxiliary

±0.2% of range

VersaStudio software are provided to focus on

provided that can be run individually or combined in

Staircase Cyclic Voltammetry (multiple cycles)

The VersaSTAT software modules make use of

Plug-in add-on for VersaSTAT Series potentiostats

electrochemical microscope (SECM) experiments.

performance of coatings and corrosion inhibitors.

that have been advanced by research utilizing our

accuracy and resolution than the base system. With

System Performance

and additional current ranges, and the cell leads.

Accuracy (DC) 2 μ to 200 mA < 0.2% full scale

full access to the capabilities of the instrument.

An impressive list of energy, corrosion and

particular application areas and to minimize cost.

powerful experiment sequences.

By comparison, electrochemical test instrumentation

used in research bringing many of these sensors

The VersaSTAT LC is ideal for applications requiring

Maximum Current ± 200 mA

calibrated with the built-in DC Calibration routine,

200 pA - 4 pA ranges < 1.0% full scale ±500 fA

(using potentiodynamic and galvanodynamic techniques)

to market. Sensors for glucose measurement to

stability over a wide range of experimental conditions

Current Control

Linear polarization resistance (LPR) and Tafel analysis

that researchers need to refine these life-enhancing

additional bandwidth stabilization filters are provided

full scale

and are useless for investigating time-varying effects.

Princeton Applied Research systems have been

is able to obtain accurate results in a very short time

assist diabetics in controlling their blood glucose

these tests typically take months to obtain information

Sensors are an integral part of our daily lives, and

– providing measurement of corrosion current (Icorr),

devices.

EIS at various polarization levels - providing impedance

developed but corrosion still causes cracks and

information relating to different corrosion regimes, such

fractures in load bearing implants and inflammation

period, allowing, for example, real-time monitoring of the

levels are just one of the many sensor applications

Cell connections 2, 3 or 4 terminal plus ground VersaSTAT3A

Auto-ranging 2 A to 200 nA (8 ranges)

The worldwide cost of corrosion is estimated at billions of

the requirements.

Applications

• Recherche fondamentale
• Recherche et développement de nouveaux sensors
• Corrosion, coatings
• Etude de matériaux
• Batteries et piles à combustibles