The HiMUX is an 8 channel multiplexer providing 8 independent channels, each with 5 electrodes and for use with compatible Ivium potentiostats. Up to 8 units can be linked together to up to 64 channels. Two models are available: the uMUX is a standard relay multiplexer: HiMUX.XR includes active circuity to minimise transients due to switching between the cells.