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  11. EmStat4S

EmStat4S

The EmStat4S delivers desktop performance in the palm of your hand. The EmStat4S is a portable USB-powered Potentiostat, Galvanostat, and optional a Frequency Response Analyser (FRA) for Electrochemical Impedance Spectroscopy (EIS). The EmStat4S is controlled with PSTrace for Windows, or you can write your own MethodSCRIPT and control it from any platform or operating system.

Always a backup

Every EmStat4S is equipped with an internal storage of 500 MB, equivalent to 15 million data points. This means all your measurements can automatically be saved onboard as a backup. Measurements can be browsed and transferred to the PC easily using the PSTrace software for Windows.

Versions

The EmStat4S comes in two different versions:

  • Low Range: current range from 1 nA to 10 mA (max. 30 mA)
  • High Range: current ranges from 100 nA to 100 mA (max. 200 mA)

 

Both versions can be configured with optional EIS/FRA with a maximum frequency of 200 kHz.

See specifications for more information.

Do NOT CHANGE OR REMOVE THIS ELEMENT

Features

  • EmStat4S
  • USB-C cable
  • Sensor cable: high quality, double-shielded cable with 2 mm banana connectors for Working, Counter, Reference electrode and Ground
  • 4 or 5 crocodile clips
  • Dummy Cell
  • PSTrace software for Windows (on USB drive)
  • Manual (hardcopy)
  • Quick Start document
  • Calibration report

Specifications

General
dc-potential range ±10 V (or ±5 V) *
compliance voltage ±10 V
maximum current ±30 mA (typical)
max. acquisition rate 150,000 data points/s
Potentiostat (controlled potential mode)
applied dc-potential resolution 76.3 µV (18-bit)
applied potential accuracy ≤0.1% ±1 mV offset
current ranges 100 pA to 10 mA (9 ranges)
current accuracy ≤0.1 % (at Full Scale Range)
measured current resolution 0.005 % of current range (18-bit, 5 fA on 100 pA range)
0.0025% of 10 mA range
Galvanostat (controlled current mode)
current ranges 1 nA to 10 mA (8 ranges)
applied dc-current range ±6 times applied current range
applied dc-current resolution 0.0076% of applied current range (<10 mA)
0.0038% of 10 mA range
measured dc-potential resolution 78 μV at ±10 V (gain 1, 18-bit)
7.8 μV at ±1 V (gain 10)
0.78 μV at ±0.1 V (gain 100)
measured dc-potential accuracy ≤ 0.05% or ±1 mV (for |E| < ±9 V)
≤ 0.2% (for |E| ≥ ±9 V)
FRA / EIS (impedance measurements)
frequency range 10 μHz to 1 MHz (or 10 μHz to 100 kHz) *
ac-amplitude range 1 mV to 0.25 V rms, or 0.7 V p-p
GEIS (galvanostatic impedance measurements)
frequency range 10 μHz to 100 kHz (or 10 μHz to 100 kHz)
ac-amplitude range 0.001 x CR to 0.4 x CR (<10 mA)
0.001 x CR to 0.2 x CR (10 mA)
(CR = current range)
Electrometer
electrometer amplifier input > 1 TΩ // 10 pF
bandwidth 1 MHz
Other
housing aluminium with rubber sleeve: 15.7 x 9.7 x 3.5 cm3
weight +/- 500 g
temperature range 0 ºC to + 50 ºC
power supply USB or internal LiPo battery
communication USB and Bluetooth (Dual Mode)
battery time > 16 hours idle time
> 4 hours with cell on at max. current
extendable by means of power bank
internal storage space 8 GB
or +/- 800000 measurements incl. method info (assuming 200 data points per measurement)
Auxiliary port (D-Sub 15)
analog input ±10 V, 18-bit
analog output 0-10 V, 12 bit (1 kOhm output impedance)
4 digital outputs 0-5 V
1 digital input 0-5 V
i-out and E-out raw output of current and potential
E-out ±10 V (1 kOhm output impedance)
i-out ±6 V (1 kOhm output impedance)
power 5 V output (max. 150 mA)

* Depending on PalmSens4 hardware configuration

Techniques

Voltammetric techniques
  • Linear Sweep Voltammetry (LSV)
  • Cyclic Voltammetry (CV)
  • Fast cyclic Voltammery (FCV)
  • AC Voltammetry (ACV)
Amperometric techniques
  • hronoamperometry (CA)
  • Zero Resistance Amperometry (ZRA)
  • Chronocoulometry (CC)
  • MultiStep Amperometry (MA)
  • Fast Amperometry (FAM)
  • Pulsed Amperometric Detection (PAD)
  • Multiple-Pulse Amperometric Detection (MPAD)
Galvanostatic techniques
  • Linear Sweep Potentiometry (LSP)
  • Chronopotentiometry (CP)
  • MultiStep Potentiometry (MP)
  • Open Circuit Potentiometry (OCP)
  • Stripping Chronopotentiometry (SCP or PSA)
Pulsed techniques
  • Differential Pulse Voltammetry (DPV)
  • Square Wave Voltammetry (SWV)
  • Normal Pulse Voltammetry (NPV)
Other
  • Mixed Mode (MM)
  • Potentiostatic/Galvanostatic Impedance spectroscopy (EIS / GEIS)
    • Potential scan or current scan
    • Fixed potential or fixed current
    • Time scan

Manufacturers

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Document

EmState4S decsription

Industries

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