This study is an overview of the capability evaluation of measurement systems.
Principally, the determination of capability of a measurement system is an important
aspect of quality and process improvement initiatives. In practice, various methods are
developed and used for determining measurement system capability. As a measurement tool,
potential effectiveness of gauge should be considered and significant factors should be
identified for that purpose. A set of procedures referred to as Measurement Systems
Capability Studies are conducted for assessing capability of gauge, isolating sources of
variability in the system, evaluating how much of total observed variability is due to
gauge, and investigating two components of measurement error: repeatability and
reproducibility of gauge. Gauge Repeatability & Reproducibility (Gauge
R&R) Study tries to estimate repeatability and reproducibility components of
measurement system variation with primary objective of assessing whether gauge is suitable
for intended application or not. Measurement System Analysis (MSA) is a collection of
statistical methods, which includes Gauge R&R Study, for analysis of measurement
system capability. In this study, detailed literature review of MSA, Gauge R&R and
Measurement Systems Capability Studies, and general discussion of misclassification
probabilities that give useful, reliable information about measurement systems performance
would be provided.