EmStat4M Development Kit

Research grade single-channel potentiostat kit

  • Enables rapid prototyping, no programming skills needed
  • Run measurements conveniently in PSTrace for Windows
  • Develop your own device based on this kit’s schematics 
  • Many code examples for different languages and platforms
Electrochemical Impedance Spectroscopy (EIS) is an electrochemical technique to measure the impedance of a system in dependence of the AC potentials frequency. With this option you can select the maximum AC frequency for EIS.
PalmSens usually responds to your quotation request within one business day.


The EmStat4M Development Kit is equipped with a research-grade potentiostat module, which delivers desktop performance. The EmStat4M is a potentiostat/galvanostat supporting Electrochemical Impedance Spectroscopy (EIS). The EmStat4M Development Kit can be used with PSTrace for Windows. You can write your own applications for the EmStat4M Development Kit using our .NET libraries for Windows and Android or using MethodSCRIPT™ and control it from any platform or operating system like an Arduino.


The EmStat4M Development Kit comes with two different versions of the EmStat4M potentiostat module:

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

See specifications for more information.

Always a backup

Always a backup

The EmStat4M is equipped with 500 MB internal storage memory for storing your measurements and meta data. All internally stored measurements can be browsed and transferred back to the PC easily using the PSTrace software for Windows or with your own software.

Included in the EmStat4M Development Kit

The Development kit includes a sensor cable, software, a Development Board (PCBA) and more. The Development Board offers extra peripherals including:

  • Bluetooth module (Laird BT900)
  • Support for a LiPo battery, incl. charging
  • Pin headers for an MKR-series Arduino
  • Break-out EmStat4M GPIO pins for easy connection
  • Screw-terminals for easy wire connections
  •  I2C real-time clock (RTC)
  • and push buttons for triggering / testing

The EmStat4M module can also be ordered as a bare module or as part of a starter kit:

  Module only Starter Kit Development Kit
EmStat4M LR or HR module
Development Board
USB-C cable
USB-C splitter cable for extra power (EmStat4M HR only)
Sensor cable (1 meter with 2 mm pins)
4 or 5 croc clips
Dummy Cell
PSTrace software for Windows (on USB drive)
Quick Start document
Calibration report



Voltammetric techniques

  • Linear Sweep Voltammetry (LSV)
  • Cyclic Voltammetry (CV)
  • Fast cyclic Voltammery (FCV)*
  • AC Voltammetry (ACV)*

Amperometric techniques

  • Chronoamperometry (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)


  • Mixed Mode (MM)*
  • Potentiostatic/Galvanostatic Impedance spectroscopy (EIS / GEIS*)
    • Potential scan or current scan
    • Fixed potential or fixed current
    • Time scan
Stripping modes
The voltametric and pulsed techniques can all be used in their stripping modes which are applied for (ultra-) trace analysis.
Software update
Techniques marked with an asterisk* will become available with the next software update.
Missing a technique? See cross-reference list


Main specifications of EmStat4M Development Board
Dimensions 90 x 65 mm
Power USB-C or LiPo battery (battery not included)
Main connections – BT900 Bluetooth module Bluetooth v4.0 dual mode (BT and BLE)
– Micro-USB (on-board) or USB-C (via module)
Cell connections screw terminals (2.54 mm pitch) and LEMO (EPG.0B.305.HLN) on module
Arduino compatibility Footprint for Arduino MKR series
Real Time Clock On-board IC: S-35390A-T8T1G
With CR1225 3V coin cell battery compartment (battery not included)
Buttons 4 buttons for:
– EmStat4M Reset
– EmStat4M Download
– EmStat4M Wake
– Bluetooth Module reset
DIP switches DIP switches for:
– Power input select
– EmStat4M UART select
– Bluetooth module UART select
– EmStat4M I2C Master select

The EmStat4M Development Kit is available with two versions of the EmStat4M: LR (Low Range) and HR (High Range). See EmStat4M module for more specifications of the EmStat4M potentiostat module.

Main differences between the EmStat4M Low and High Range
Potential range ±3 V ±6 V
Max. compliance voltage ±5 V ±8 V
Current ranges 1 nA to 10 mA (8 ranges) 100 nA to 100 mA (7 ranges)
Max. current ±30 mA ±200 mA
Electrode connections WE, RE, CE, and ground WE, RE, CE, Sense, and ground



PSTrace for Windows provides support for all techniques and device functionalities. With a smooth simple interface, showing only the applicable controls, PSTrace is suitable for all levels of user experience. Functions include:

  • Direct validation of method parameters
  • Equivalent Circuit Fitting
  • Automated peak search
  • Scripting for running an automated sequence of measurements
  • Open data in Origin and Excel with one click of a button
  • Load data from EmStat4 internal storage
More information about PSTrace
PSTrace Method Editor

Software Development Kits

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)
More information about SDKs for .NET

MethodSCRIPT™ communications protocol

The EmStat4 potentiostat module has an on-board parser for the MethodSCRIPT scripting language. This language allows developers to program a human-readable script for the EmStat4 module on any platform or operating system. The simple script language allows for running electrochemical techniques supported by EmStat4 and makes it easy to combine different measurements and other tasks.



Documentation (7)

Name Last updated
EmStat4M Brochure EmStat4M Brochure including main specifications and practical limitations. 16-01-23
EmStat4M Development Board Connection Card This connection card gives you an overview of the EmStat4M development board connector pin-out and switches. 14-03-22
EmStat4M Connection Card This connection card provides an overview of the connector pin-outs. 14-03-22
EmStat4M Development Board Schematics The schematics with all pinouts of ports, switches and buttons and a general overview. 14-03-22
EmStat4M Development Kit Manual This manual helps you to setup the EmStat4M Development board and explains what is in the Kit. 14-03-22
MethodSCRIPT communication protocol v1.3 The MethodSCRIPT scripting language is designed to improve the flexibility of the PalmSens potentiostat and galvanostat devices for OEM users. It allows users to start measurements with arguments that are similar to the arguments in PSTrace. PalmSens provides libraries and examples for handling low level communication and generating scripts for MethodSCRIPT devices such as the EmStat Pico and EmStat4. 19-01-22
EmStat4M Communication Protocol Describes how to communicate with the EmStat4M directly and how to send MethodSCRIPTS. 14-10-21

Software (6)

Name Last updated
PalmSens SDK for Python PalmSens Python SDK 5.9 with support for PalmSens instruments. 07-11-22
MethodSCRIPT code examples MethodSCRIPT code examples include:
- MethodSCRIPTExample_C
- MethodSCRIPTExample_C_Linux
- MethodSCRIPTExample_C#
- MethodSCRIPTExample_Arduino
- MethodSCRIPTExample_Python
- MethodSCRIPTExample_iOS
- MethodSCRIPTExample_Android
Every code example comes with a "Getting Started" document.
PSTrace PC software for all single channel instruments PSTrace software is shipped as standard with all single channel and multiplexed instruments. The software provides support for all techniques and device functionalities. 17-03-22
Getting started with PalmSens SDK for WPF This manual explains how to use the SDK with the included libraries and examples. 07-06-21
Getting started with PalmSens SDK for WinForms This manual explains how to use the SDK with the included libraries and examples. 07-06-21
Getting started with PalmSens SDK for Android This manual explains how to use the SDK with the included libraries and examples. 07-06-21

Application Note (1)

Name Last updated
Migrating to the EmStat4M LR or HR This Application note shows the differences between our older and latest EmStat modules which are relevant when switching your software and electronics design to work with the EmStat4 LR or HR. 06-10-22

Datasheet (1)

Name Last updated
EmStat4M Datasheet Document with more detailed specifications including module pin-out. 14-03-22
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