Purpose of This Note
This technical note discusses the Accuracy Contour Plot (ACP). The ACP gives the user
valuable information about a potentiostat’s EIS performance and accuracy. It allows the user
to compare the EIS capability of any potentiostat.
Further, this document describes the different regions of an ACP and discusses its limits –
including Open and Shorted Lead measurements. Additionally, it contains a general
discussion for measuring Accuracy Contour Plots including advice how to set up cells and
cable wiring for accurate results.