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
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. | 30-06-26 |
Documentation (3)
| Name | Last updated | |
|---|---|---|
| MUX8-R2 Brochure MUX8-R2 multiplexer brochure | 23-06-26 | |
| 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 |
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 |