Accuracy, repeatability, resolution and stability are terms that are often confused. This sheet provides definitions of these terms.
|Accuracy||Accuracy describes how close the mean result is to the reference value.|
|Repeatability||Repeatability describes the variation between results. It is often expressed as a standard deviation.|
|Resolution||The resolution of a system is equal to the smallest incremental step that can be made.|
|Stability||The stability of a system is the deviation from a constant reference value over a long time (typically >10 seconds). When specifying the stability, the corresponding timescale has to be specified as well.|