Electrochemistry, Fuel Cell & Battery Research Test Solutions

Electrochemistry, Fuel Cell & Battery Research Test Solutions

EmStatMUX8-R2

Integrated USB powered potentiostat / MUX8-R2 Multiplexer

  • Integrated Emstat3 or 3+ potentiostat + 8 channel multiplexer (MUX8-R2)
  • potential range: ± 3V or ± 4V
  • compliance voltage: ± 5V or ± 8V
  • current ranges:  1 nA – 100 mA

Description:

The EmStat3MUX8-R2 combines a MUX8-R2 multiplexer with an Emstat3/3+ potentiostat integrated within a single housing.  It allows connection of arrays or other setups made up of up to eight working electrodes in two or three electrode cell types. For more channels you can stack one or more MUX8-R2 units up to a maximum total of 128 channels.

The MUX8-R2 can sample different cells at a rate of 25 ms/cell. This fast sampling rate makes it possible to measure time-dependent techniques, e.g. chronoamperometry, practically simultaneously.  Using the PStrace for windows its possible to perform a different experiment on each of the channels sequentially.

Cell Connections:

Supported Techniques:

Voltammetric Techniques:

  • Linear Sweep Voltammetry (LSV)
  • Cyclic Voltammetry (CV)

Galvanostatic Techniques:

  • Open Circuit Potentiometry (OCP)

Amperometric Techniques:

  • Chronoamperometry (CA)
  • Zero Resistance Amperometry (ZRA)
  • Chronocoulometry (CC)
  • MultiStep Amperometry (MA)
  • Pulsed Amperometric Detection (PAD)
  • Multiple-Pulse Amperometric Detection (MPAD)

Pulsed Techniques:

  • Differential Pulse Voltammetry (DPV)
  • Square Wave Voltammetry (SWV)
  • Normal Pulse Voltammetry (NPV)

Specifications:

Emstat Potentiostat Version 3 3+
Dc-potential range ± 3.000 V ± 4.000 V
Compliance voltage ± 5 V ± 8 V
Dc-potential resolution 0.1 mV 0.125 mV
Dc-potential accuracy 0.2 % 0.3 %
Current ranges 1 nA to 10 mA (8 ranges) 1 nA to 100 mA (9 ranges)
Maximum current ± 20 mA typical and ± 15 mA minimum ± 100 mA typical
Potentiostat (controlled potential mode)
Current accuracy ≤ 1 %of current range at 1 nA ≤ 0.5 % at 10 nA ≤ 0.2 % at 100 nA to 100 uA ≤ 0.5 % at 1 mA, 10 mA and 100 mA all with max. 0.2 % offset error
Measured current resolution 0.1 % of current range
Electrometer
Current accuracy ≤ 1 %of current range at 1 nA ≤ 0.5 % at 10 nA ≤ 0.2 % at 100 nA to 100 uA ≤ 0.5 % at 1 mA, 10 mA and 100 mA all with max. 0.2 % offset error
Measured current resolution 0.1 % of current range
INTEGRATED MUX8-R2 MULTIPLEXER
Number of channels 8 (up to 128 when daisy chained)
Multiplexer switches 8 x (WE, S, RE and CE)
On resistance for WE 1.5 ohm typical
Charge injection on WE 20 pC typical
Leakage current < 20 pA (5 pA typical) at 25 ºC
Switching time 2 ms
Compliance voltage ± 10 V
Other Information
Housing aluminium: 138 mm x 121 mm x 37 mm
Weight +/- 500 g
Temperature range 0 ºC to + 50 ºC
Power supply USB
Communication USB-C

Software:

PSTrace for Windows:

  • Scripting for running an automated sequence of measurements on different channels
  • Open your data in Origin and Excel with one click of a button
  • Save all available curves, measurement data and methods to a single file
  • Direct feedback on method parameters
 

PSTouch for Android:

PSTouch is an app that can be used with all Palmsens and Emstat Potentiostats. It directly connects to you potentiostat via a USB or through a wireless connection using the Palmsens Bluetooth dongle. This can be used on on either old or new Palmsens equipment.

T. +44 (0) 800 566 8228 E. info@alvatek.co.uk

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