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ASTM F1469-11

Current Revision

Standard Guide for Conducting a Repeatability and Reproducibility Study on Test Equipment for Nondestructive Testing (Withdrawn 2018)

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1.1 This guide describes the steps required to conduct a complete repeatability and reproducibility (RR) study on nondestructive test equipment. This guide is a manual (use of calculator) method. Other methods may utilize the application of computer driven software.

1.2 This guide can be used to evaluate all test equipment that provides variable measuring data.


This guide is recommended for the purpose of evaluating test equipment that may be utilized in statistical process control, testing laboratories, and for in-process control of manufacturing operations.

Ask the question: What effect does the operator have on the measurement process? If possible, the operators who normally use the test equipment should be included in the study. If operator calibration of the equipment is likely to be a significant cause of variation, then the operator should recalibrate the equipment prior to each group of readings.

The test equipment should provide direct readings in which the smallest digit is no larger than one tenth of the tolerance of the characteristic being evaluated.

It is recommended that a test equipment repeatability and reproducibility study be a mandatory part of all test equipment purchases and that acceptance criteria be <10 % for certification and statistical process control (SPC) use.

SDO ASTM: ASTM International
Document Number F1469
Publication Date May 1, 2011
Language en - English
Page Count 5
Revision Level 11
Supercedes
Committee F16.93
Publish Date Document Id Type View
May 1, 2011 F1469-11 Revision
Nov. 1, 2004 F1469-99R04 Revision
May 10, 1999 F1469-99 Revision
May 1, 2010 F1469-99R10 Reaffirmation