The nEIS Kit

Impedance Spectroscopy is a complicated technique and learning to use it effectively is a challenging task.

The nEIS Kit is a collection of test circuits for impedance analyzers that simulate common measurement tasks like batteries or generic challenges like very low or very high impedances.

It is intended as both an educational tool as well as reference for tuning device parameters.

 

In the nEIS Kit you find intuitive examples for common measurement together with reference sheets that give hints and examples.

All components have specified values, allowing you to analyze your spectra to find out if the measured values match what’s on the board.

Knowing the expected outcome allows you to fine-tune your EIS device settings because you can always objectively judge if a change improved the result.

Impedance Spectroscopy is a complicated technique and learning to use it effectively is a challenging task.

The nEIS Kit is a collection of test circuits for impedance analyzers that simulate common measurement tasks like batteries or generic challenges like very low or very high impedances.

It is intended as both an educational tool as well as reference for tuning device parameters.

In the nEIS Kit you find intuitive examples for common measurement together with reference sheets that give hints and examples.

All components have specified values, allowing you to analyze your spectra to find out if the measured values match what’s on the board.

Knowing the expected outcome allows you to fine-tune your EIS device settings because you can always objectively judge if a change improved the result.

The nEIS Boards

The kit consists of four printed circuit boards with 4mm banana connectors to connect the impedance analyzer. Some boards have interactive elements that allow for different experimental settings.

Each board has a separate laminated instruction sheet with descriptions and experiment ideas which are intended for use in labs and e.g. practical courses.

Board 1

Board 1 is comprised of 5 different experiments. These range from illustrative examples to measurement challenges.
 
The active experiment is selected via an on-board switch.
  • Experiment 1: Illustrates the usefulness of different transfer functions
  • Experiment 2: Challenges you to measure large (giga-Ohms) impedances accurately.
  • Experiment 3: Challenges you to measure small (milli-Ohms) impedances accurately.
  • Experiment 4: Results in a nice example spectrum of three impedance semi-circles.
  • Experiment 5: Shows the effect that inductivity can have on a spectrum.

Board 2

Board 2 illustrates the usefulness of three electrode measurements in battery measurements.
 
Find out, how a reference electrode helps in separating contributions from the two battery interfaces,
and how the two- and three-electrode experiments fit together.
 

Board 3

Board 3 demonstrates typical impedance spectra of metals covered with a dielectric coating, like lacquer.

The coatings may get damaged which leads to corrosion.
This can be simulated on the board by enabling or disabling damage to the coating via a switch.

The amount of damage can be varied by turning a potentiometer, showing the transition between
minimal and maximal damage.

Board 4

Board 4 is derived from a four-electrode experiment on liquid/solid interfaces, that show different charge-transport paths.
 
The nature of these processes causes contribution to the very high frequency domain of a spectrum.

The nEIS Boards

The kit consists of four printed circuit boards with 4mm banana connectors to connect the impedance analyzer. Some boards have interactive elements that allow for different experimental settings.

Each board has a separate laminated instruction sheet with descriptions and experiment ideas which are intended for use in labs and e.g. practical courses.

Board 1 is comprised of 5 different experiments. These range from illustrative examples to measurement challenges.

The active experiment is selected via an on-board switch.

  • Experiment 1: Illustrates the usefulness of different transfer functions
  • Experiment 2: Challenges you to measure large (giga-Ohms) impedances accurately.
  • Experiment 3: Challenges you to measure small (milli-Ohms) impedances accurately.
  • Experiment 4: Results in a nice example spectrum of three impedance semi-circles.
  • Experiment 5: Shows the effect that inductivity can have on a spectrum.

Board 2 illustrates the usefulness of three electrode measurements in battery measurements.


Find out, how a reference electrode helps in separating contributions from the two battery interfaces and how the two- and three-electrode experiments fit together.

Board 3 demonstrates typical impedance spectra of metals covered with a dielectric coating, like lacquer.

The coatings may get damaged which leads to corrosion. This can be simulated on the board by enabling or disabling damage to the coating via a switch.

The amount of damage can be varied by turning a potentiometer, showing the transition between minimal and maximal damage.

Board 4 is derived from a four-electrode experiment on liquid/solid interfaces, that show different charge-transport paths.

The nature of these processes causes contribution to the very high frequency domain of a spectrum.

The nEIS Kit is delivered, including:

  • Four individual boards
  • General Manual (A5)
  • Individual experimental sheets (A4, laminated)
  • 3x 4mm banana extension cables

The kit is delivered in a foam-lined box.

The nEIS Kit is delivered, including:

  • Four individual boards
  • General Manual (A5)
  • Individual experimental sheets (A4, laminated)
  • 3x 4mm banana extension cables

The kit is delivered in a foam-lined box.

Esta empresa ha recibido un préstamo participativo de la línea de "Creación y Desarrollo de PYMEs Innovadoras" del Fondo Canarias Financia 1 y cuenta con una cofinanciación del Fondo Europeo de Desarrollo Regional del 85% proveniente del Programa Operativo FEDER de Canarias 2014-2020, contribuyendo al cumplimiento de los objetivos del eje prioritario 1 "Potenciar la investigación, el desarrollo tecnológico y la innovación ", Objetivo Específico 1.2.1 "Impulso y promoción de actividades de I+i lideradas por las empresas, apoyo a la creación y consolidación de empresas innovadoras y apoyo a la compra pública innovadora".

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