MSA - An example to illustrate the importance of measurement system quality

Measurement System Analysis (MSA)

Purpose

If measurements are used to guide decisions, then it follows logically that the more error there is in the measurements, the more error there will be in the decisions based on those measurements. The purpose of Measurement System Analysis is to qualify a measurement system for use by quantifying its accuracy, precision, and stability.
 
An example from industry serves to illustrate the importance of measurement system quality:   here>> >>