MUX8-R2 Extension Set
Multiplexer extension for 8 extra cells
- Add 8 additional cells to your existing multiplexer
- Daisy chain multiplexers, up to 128 channels!
- Easy stacking with magnetic feet and top
- 4 different electrode or sensor configurations
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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. This MUX8-R2 extension set, adds an additional 8 cells to your multiplexer.
- 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
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
| Â 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 | Â +/- 500 g |
| temperature range | 0 ºC to + 50 ºC |
| power supply | USB |
The MUX8-R2 has the following connections:
| 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 | 30-06-26 | |
| MUX8-R2 Brochure MUX8-R2 multiplexer brochure | Documentation | 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. | Documentation | 17-04-24 | |
| MUX8-R2 Connector Card This connector card gives you an overview of the MUX8-R2 connector pin-outs. | Documentation | 14-03-22 | |
| 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. | Application Note | 04-05-21 |