MUX8-R2 Multiplexer
Multiplexer for 8 up to 128 cells
- Automatically switch between electrochemical cells
- Easy stacking with magnetic feet and top
- 4 different electrode or sensor configurations
- Daisy chain multiplexers, up to 128 channels!
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Description
The PalmSens series and the EmStat4X can be used to work with multiple working electrodes or a sensor array by means of a multiplexer. The multiplexer switches between the working electrodes in the range of milliseconds.
- each MUX8-R2 multiplexer enables to work with up to eight 2- or 3- electrode systems.
- daisy chaining multiple MUX8-R2 boards (expansion up to 128 channels)
- all hardware settings are controlled by the software making it unnecessary to flick a physical switch
- LEDs to show which channel is selected
- allows to connect auxiliary input (like temperature sensor)
Connection options
We offer you flexibility with a variety of connection options
There are four sensor connection options available, each supporting connection to four channels. When you add the MUX8-R2 to your basket, two units of your selected connection option will be included, providing connectivity for all eight channels of the MUX8-R2.
Option B: High-density cable that terminates in ferrules.
Option C: Connection (Screw) Terminal to assemble your own wires.
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Specifications
| Multiplexer specifications | |
|---|---|
| number of channels | 8 (up to 128 when adding MUX8-R2 multiplexers) |
| multiplexer | switches 8 x (WE, S, RE and CE) |
| on resistance for WE | 1.5 Ω typical |
| charge injection on WE | 20 pC typical |
| leakage current | < 20 pA (5 pA typical) at 25 ºC |
| switching time | 2 ms |
| switching time in 'Alternate mode' | 25 ms (min. 0.5 s interval time when alternating over 8 channels) |
| Other | |
|---|---|
| housing | aluminium: 138 mm x 121 mm x 37 mm |
| weight | aprox. 500 g |
| operational temperature | 0 ºC to + 50 ºC |
| power supply | Y-cable (inc.) or USB-C¹ |
¹ A USB-C cable should be connected to the first MUX8-R2 if more than three MUX8-R2’s are stacked |
|
| Limitations | |
|---|---|
compliance voltage
The compliance voltage is the maximum voltage that can be applied between the working and counter electrode. Another name could be the maximum cell potential. Continue reading
| ±10 V |
| maximum current | 70 mA |
| max. frequency for EIS | 1 MHz with 2-electrode setup 100 kHz with 4- and 3-electrode setup |
Downloads
Documentation (3)
| Name | Last updated | |
|---|---|---|
| MUX8-R2 Brochure MUX8-R2 multiplexer brochure | 26-08-25 | |
| MUX8-R2 2xSPE breakout drawing Use this drawing if you would like to make an 8-electrode sensor that fits directly into the MUX8-R2 slots of a MUX8-R2 SPE connector. | 17-04-24 | |
| MUX8-R2 Connector Card This connector card gives you an overview of the MUX8-R2 connector pin-outs. | 14-03-22 |
Other (1)
| Name | Last updated | |
|---|---|---|
| Multichannel, polypotentiostat or multiplexer This will help you to choose the ideal multi-channel instrument for your application. | 22-01-25 |
Software (1)
| Name | Last updated | |
|---|---|---|
| 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. | 08-07-24 |
Application Note (1)
| Name | Last updated | |
|---|---|---|
| Open Circuit Potential measurements with a MUX8-R2 The multiplexer MUX8-R2 offers the possibility to record reliable Open Circuit Potential (OCP) measurements in the Alternate mode, which allows to monitor the OCP of multiple samples over time with a single potentiostat. In this application note it is demonstrated how to setup and perform an OCP measurement with the MUX8-R2 in the Alternate mode. | 04-05-21 |