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
The most selected connection option uses two double shielded D-Sub cables ending in 2 mm banana plugs. As alternatives we can provide a PCB with screw terminals, D-Sub cable ending in ferrules or Screen Printed Electrode Adapter. Each of these cables can be connected to 4 channels, if all 8 channels are used, two cables are needed.
Connection options
Add flexibility with extra cables and adapters
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Specifications
| System | |
|---|---|
| number of channels | 8 (up to 128 when daisy chained) |
| multiplexer | switches 8 x (WE, S, RE and CE) |
| on resistance for WE | 1.5 ohm typical |
| charge injection on WE | 20 pC typical |
| leakage current | < 20 pA (5 pA typical) at 25 ºC |
| switching time | 2 ms |
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 |
| Other | |
| housing | aluminium: 138 mm x 121 mm x 37 mm |
| weight | +/- 500 g |
| temperature range | 0 ºC to + 50 ºC |
| power supply | USB |
The MUX8-R2 has the following connectors:
| Connector | Function |
|---|---|
| Input | Y-cable connects to both potentiostat sensor connector and (digital) AUX |
| AUX | Can be used to measure auxiliary input like temperature or pH, and to switch external hardware using two digital control lines that can be set in PSTrace |
| Link | Connects to Input of next multiplexer, for daisy-chaining multiple multiplexers |
| USB-C | Input for extra power when ≥3 multiplexers are daisy-chained |
| Channel 1-4 | Connects to sensor cables 1-4 |
| Channel 5-8 | Connects to sensor cables 5-8 |
Downloads
| Name | Type | 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. | Software | 17-03-22 | |
| MUX8-R2 Connector Card This connector card gives you an overview of the MUX8-R2 connector pin-outs. | Application Note | 14-03-22 | |
| OCP with MUX8-R2 The multiplexer MUX8-R2 offers the possibility to record reliable Open Circuit Potential (OCP) measurements in the Alternating mode, which allows to monitor the OCP of multiple samples / working electrodes over time with a single potentiostat. This is a significant improvement compared to its predecessors MUX8 and MUX16. In this application note it is demonstrated how to setup and perform an OCP measurement with the MUX8-R2 in the Alternating mode. | Application Note | 04-05-21 | |
| MUX8-R2 Brochure MUX8-R2 multiplexer brochure | Documentation | 16-11-20 | |
| Multichannel, polypotentiostat or multiplexer This will help you to choose the ideal multi-channel instrument for your application. | Application Note | 08-04-20 |