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MUX8-R2 Multiplexer

Multiplexer for 8 up to 128 cells

  • Automatically switch between electrochemical cells
  • Easy stacking with magnetic feed and top
  • 4 different electrode or sensor configurations
  • Daisy chain multiplexers, up to 128 channels!
All specifications
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Description

The PalmSens series and EmStat Blue 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

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 terminalsD-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.

 

Cable connections

 System
number of channels 8 (up to 128 when daisy chained)
multiplexerswitches 8 x (WE, S, RE and CE)
on resistance for WE1.5 ohm typical
charge injection on WE20 pC typical
leakage current< 20 pA (5 pA typical) at 25 ºC
switching time2 ms
compliance voltage± 10 V
Other
housingaluminium: 138 mm x 121 mm x 37 mm
weight +/- 500 g
temperature range0 ºC to + 50 ºC
power supplyUSB

 

The MUX8-R2 has the following connections:

ConnectorFunction
InputY-cable connects to both potentiostat sensor connector and (digital) AUX
AUXCan 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
LinkConnects to Input of next multiplexer, for daisy-chaining multiple multiplexers
USB-CInput for extra power when
≥3 multiplexers are daisy-chained
Channel 1-4Connects to sensor cables 1-4
Channel 5-8Connects to sensor cables 5-8

 

Downloads

NameTypeLast updated
EmStatMUX8-R2 Description Description of the EmStatMUX8-R2 instrument16-11-20
MUX8-R2 Description Description of the MUX8-R2 multiplexer16-11-20
App Note – Multichannel, polypotentiostat or multiplexer This will help you to choose the ideal PalmSens multi-channel instrument for your application.08-04-20
OCP with MUX8-R2 Describes how to perform an OCP measurement on multiple channels of the MUX8-R208-04-20

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