Potentiostatic applies a constant DC offset potential to the cell whilst measuring galvanic readings at up to 50/60 measurements per second. The maximum read rate is governed by the mains frequency 0.02 for 50Hz and .0166667 for 60Hz. In addition to a DC offset potential the test can be offset to the cell rest potential.
Over Sample Measurements can reduce aliasing errors for example if a reading was to be recorded every second with over sample switched on the instrument will record at roughly 30 measurements per second. An averaged result would be obtained from these 30 measurements thus reducing aliasing errors. It should be noted over sampling will only work when the read rate less than the mains frequency ÷ 2.
As with Current & Voltage / time if count resisters are permitted to auto range during the test and a count resistor change happens a delay will occur from when the new count resistor was set. The delay allows the cell to settle a set length of time dependant upon the resistor set. Whilst a delay is taking place the test continues but no data is stored during the delay later in the analysis a straight line will be present from the change point to the point after the delay has finished.