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EmStat3 Module

Research grade single-channel potentiostat module

  • Small tested & calibrated potentiostat module
  • Compliance voltage ±5 V
  • Maximum current ±20 mA
  • Development SDK available
PalmSens usually responds to your quotation request within one business day.

Description

The EmStat3 is a research grade potentiostat that was initially developed for OEM purposes. The EmStat3 is a reliable and versatile potentiostat that found it’s way to the market in many  different forms. 

The EmStat3 module is successfully integrated in devices for specific applications, but also in our own product range that we sell for generic research purposes such as the EmStat Blue, EmStat Go and MultiEmStat. The main difference between the EmStat3 and EmStat3+ is the extra current range of 100 mA for the EmStat3+ module.

When only one module is added in the basket we will quote the EmStat3 Starter Kit which includes all the components you  need for rapid prototyping and hardware validation.

Techniques

Voltammetric techniques

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

Pulsed techniques

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

These methods can all be used in their stripping modes which are applied for (ultra-) trace analysis.

Amperometric techniques

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

Galvanostatic techniques

  • Open Circuit Potentiometry (OCP)

 

Specifications

The EmStat module features:

  • 9 embedded common electrochemical techniques
  • options for manual cell control (potentials, changing current range and timing)
  • USB and serial communication or USB as Virtual COM port
  • automatic current ranging
  • digital I/O for peripheral control (stirrer or valve)
  • analog input for measuring auxiliary input like temperature
  • analog output for controlling peripherals like a stirrer
  • multiplexer control
EmStat version:33+
dc-potential range± 3.000 V± 4.000 V
compliance voltage± 5 V± 8 V
dc-potential resolution0.1 mV0.125 mV
dc-potential accuracy0.2 %0.3 %
current ranges1 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

The current is measured using a zero resistance ammeter (ZRA).

 
current resolution0.1% of current range, 1 pA at lowest current range
current accuracy (deviation)≤ 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
all with max. 0.2 % offset error
electrometer amplifier input      > 100 Gohm // 4 pF
rise time    approx. 100 μs
powerES3: 5V, max. 130 mA
ES3+: 5V, max. 500 mA
external I/O optionsanalog: 1 input and 1 output
both 0 V- 4.096 V
digital: 4 in/output lines
max. rating: -0.3 V to 5.3 V
PCB dimensionsES3: 51.5 x 34 mm
ES3+: 55 x 41 mm
 

Software

Develop software for PC, smartphone or microcontroller

Whether you want to write a simple or advanced Windows application, develop an Android or iPhone app or integrate the EmStat Pico in your own hardware, you can do it with our Software Development Tools and code examples.

 

Overview of software development tools

Software Development Kits for .NET

The PalmSens Software Development Kits (SDKs) for .NET can be used with any of our instruments or OEM potentiostat modules to develop your own software. The SDK’s come with a set of examples that shows how to use the libraries.

PalmSens SDKs with examples are available for the following .NET Frameworks:

  • WinForms
  • WPF
  • Xamarin (for Android)
  • UWP

SDKs for .NET

Extentions

The MUX8 multiplexer is meant for use with 2- or 3- electrode sensors or cells up to 8 channels. The MUX8 module allows to switch:

  • 8x WE, 8x RE, 8x CE
  • 8x WE, 8x RE+CE joint together
  • 8x WE with fixed RE and CE

The MUX8 can be mounted directly to the EmStat3 potentiostat module as shown below. Or it can be connected via short wires or flat cable. 

Development

The MUX8 module can be mounted directly on the EmStat Development board. Connections to  different cells can be made using the screw terminals on the development board. The available libraries for software development are also made compatible with the MUX8 module.

IMPORTANT REMARK

It is not possible to apply a potential simultaneously to more than one sensor or cell each with three electrodes. This requires a multi-channel potentiostat, having one potentiostat for each channel. Virtual simultaneous measurements (by means of fast switching, but maintaining potentials) using a multiplexer are possible with two electrode sensors or cells, so when combined counter and reference electrodes are applied.

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Downloads

NameTypeLast updated
EmStat3 communications protocol The EmStat3 and EmStat3+ communications protocol for OEM for firmware v7.628-09-20
EmStat3 module dimensions Drawing with dimensions of EmStat3 PCB (PDF) 11-08-20
EmStat3 3D Model A STEP file of the EmStat3 model11-08-20
Embedded SDK for EmStat3 An example project of how to use the SDK is provided for Arduino. It's made in "Arduino Software (IDE)" found at "www.arduino.cc". For more information about the example, read the comments in "EmStatSDKExample.ino". A short explanation with an example of how to use the SDK in any c/c++ environment can be found in PSComm.h. The Arduino example should also be easy to port to C or C++, if required. For more advanced use beyond the scope of the SDK, refer to the "EmStat communication protocol##.pdf".09-04-20
App Note – Bluetooth module for EmStat3 OEM Describes how to use the Bluetooth module for EmStat3 OEM09-04-20
EmStat3 module description EmStat3 module description09-04-20
EmStat3 series description 08-04-20

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