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
| 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 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 | |
|---|---|---|---|
| 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 Brochure MUX8-R2 multiplexer brochure | Documentation | 10-10-22 | |
| 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 |