Friday, 18 October 2019

PRECISION





  

Measurement System Analysis

Chapter 9

Precision         

Repeatability

Repeatability is the variation between successive measurements of the same part, same characteristics by the same person using the same gauge.



* Gauge is scored on the Repeatability .

Reproducibiliy 

 * Reproducibility is the difference in the average of the measurements made by different people using the same instrument when measuring the identical characteristics on the same pieces.

* Operator is scored on Reproducibility.







               


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