Multi-channel potentiostat

Do you want to perform several electrochemical measurements simultaneously? Then you need a multi-channel potentiostat. A multi-channel potentiostat allows you to perform multiple experiments at the same time.

What is a multi-channel potentiostat used for?

Multi-channel potentiostats are mostly used in electrochemistry in complex experimental situations where many experiments are running in parallel, to be able to draw a conclusion from a certain experiment or research.

  • For example, you may need to perform multiple measurements with a long duration, e.g. charge-discharge curves for batteries.
  • Also, you may be quantifying multiple analytes with different sensors in a sample solution, e.g. water quality monitoring.
  • Finally, you may want to be able to examine multiple samples simultaneously so that you can make rapid progress, e.g. organic coatings on metal alloys for corrosion protection.

Applications for the use of multichannel potentiostats include combinatorial testing, coating analysis, microbial fuel cells, continuous corrosion monitoring, electrode array monitoring, sensor arrays and large-scale supercapacitor for battery evaluation. Feel free to check our literature database for more examples.

Which multi-channel potentiostats does PalmSens provide?

PalmSens has developed two multi-channel potentiostats which both have a galvanostat mode and are capable of FRA/EIS: the MultiPalmSens4 and the MultiEmstat4.

Our multi-channel instruments can controlled by our own MultiTrace software or by your own custom developed software program.

Multi-channel potentiostat galvanostat electrochemical impedance analyzer
MultiPalmSens4
multichannel potentiostat 2
MultiEmStat4

 

 

 

 

What differences are there between the MultiPalmSens4 and the MultiEmstat4?

Besides the similarities already mentioned, there are also some differences between our multichannel tools.

  • Our Flagship, the MultiPalmSens4 supports a higher potential range of 10 V and Electrochemical Impedance Spectroscopy (EIS) up to 1 MHz, whereas the MultiEmStat4 supports a potential range up to 6 V and for EIS frequencies up to 200 kHZ. The MultiEmStat4 High Range can handle up to 200 mA per channel, which is the highest current range PalmSens instruments offer.
  • An important difference is that the MultiPalmSens4 has an auxiliary port and a larger internal memory.
  • Finally, the MultiPalmSens4 is customized for you. You can have it completely configured to your own wishes. This can easily be done online on the product page. With the MultiEmStat4 you can also choose from a few simple product variations. However, the choice here is less extensive.

You can see all the other differences below in the comparison table:

 

MultiPalmSens4

MultiEmStat4

General

Dc-potential range±5 V or ± 10 V±3V or ±6 V
Compliance voltage±10 V±5V or ±8 V
Maximum current±30 mA±30 mA or ±200 mA
Channels4 up to 104, 8, 12

Potentiostat

Applied dc-potential resolution76.3 µV100 µV or 183 µV
Applied potential accuracy≤ 0.1% ±1 mV offset≤ 0.2% ±1 mV offset
Current ranges100 pA to 10 mA (9 ranges)1 nA to 10 mA (7 ranges), 100nA to 100 mA (8 ranges)
Current accuracy≤ 0.1 % (at Full Scale Range)0.009% of CR (92 fA on 1 nA range)
Measured current resolution0.005 % of current range (5 fA on 100 pA range)
0.0025% of 10 mA range
≤ 0.2% at Full Scale Range
Maximum scan rate500 V/s with 10 mV step

Galvanostat

Galvanostat modeYesYes
Applied dc-current resolution Galvanostat0,005% of applied current range0,01% or 0,0183% of applied current range
Current ranges galvanostat1 nA to 10 mA (8 ranges)10 nA (LR), 1uA, 100uA, 10 mA, 100 mA (HR) (4 ranges)
Measured dc-potential resolution78.13 μV at ±10 V
7.813 μV at ±1 V
0.7813 μV at ±0.1 V
193 µV (gain 1), 96,5 µV (gain 2), 38,5 µV (gain 5), 19.3 µV (gain 10), 9,65 µV (gain 20), 96 µV (gain 1), 48 µV (gain 2), 19,2 µV (gain 5), 9,6 µV (gain 10), 4,8 µV (gain 20)

FRA / EIS

FRA / EIS modeYesYes
Frequency range10 μHz to 1 MHz (or 10 μHz to 100 kHz)10 μHz to 200 kHz)
Ac-amplitude range1 mV to 0.25 V rms, or 0.7 V p-p1 mV to 900 mV rms, or 2,5 V p-p

Electrometer

Electrometer amplifier input> 1 TΩ // 10 pF> 1 TΩ // 10 pF
Bandwidth1 MHz10 kHz default, or 500 kHz for EIS and fast CA/CP

Other

CommunicationUSBUSB (type B)
Internal storage8 GB500 MB up to 16 million datapoints
Battery life--
Auxiliary portYesNo
PowerBattery, USBUSB
Dimensions15 x 25 x 25 cm21,2 x 22,1 x 7,7 cm
Weight4kg3kg

 

What software is available for your multichannel potentiostats?

PalmSens delivers a multi-channel potentiostat with its own software: MultiTrace for Windows. This software is exclusively meant for our multi-channel potentiostats and is remarkably easy to use.

However, if desired, you can also build your own software to control our multi-channel instruments. Now, there are software development kits (SDK) for MATLAB and .NET. To help you writing your own software, extensive documentation is available on our website.

Which electrochemical techniques can I apply with a multichannel potentiostat?

On our product pages you will find an extensive list of techniques supported by our instruments.

It may be that you want to use a technique that is not listed here. Some electrochemical techniques have different names at different potentiostat suppliers. However, you will find the various designations in our cross-reference techniques table. Here you can find alternative names for our electrochemical techniques.

What does a multichannel potentiostat cost?

Our multichannel potentiostats are very competitively priced. The MultEmstat4 is the most economical of the two. For the MultiPalmSens4, you largely determine the price yourself with your choice of the desired configuration options.

You can request a price by adding the instrument to the online quotation form. Here you can also add various extensions if you need them. We also sell nearly 100 types of commonly used sensors at competitive prices. So, with one purchase you can get all the equipment to get started besides the chemicals.

PalmSens always sends the requested quotation price within one working day.