Spacing between data points. It also helps determine the Step Size of the staircase ramp and the Number of Points in the data curve.
The Sample Period sets the length of a step. The height of a step depends on both the Scan Rate and the Sample Period. Calculate the Step Size and the Number of Points in the scan from:
Step Size = Scan Rate × Sample Period
Number of Points = Scan Range / Step Size
The Step Size is rounded to the resolution of the D/A converter making the steps. For scans shorter than 2 V, the resolution is 1/32 mV/bit. For scans longer than 2 V, the resolution is 1/8 mV. A typical Step Size for a potentiodynamic scan is between 0.1 and 1 mV/step.
If the step size has to be rounded to fit the resolution of the D/A converter, the sample period is also adjusted so that the scan rate is correct.
The Number of Points must be less than 262 143.With more points, the experiment aborts just before the scan phase of the sequence.
The units used for the Sample Period are seconds. The lowest sample period we recommend is 0.1 second. The longest sample period allowed is 715 seconds.
