Documents
SOP 17 — Control Charts Check Standards
This page is intentionally blank. This publication is available free of charge from: https://doi.org/10.6028/NIST.IR.7383-20 19
Global Search
Search Metrology Atlas
One query across documents (page by page), definitions, standards, questions, news, tools and training.
44 results for “Check standard”
Dictionary
Check standard
A stable artifact or instrument measured regularly within a measurement assurance program; its control chart reveals drift, shifts, or loss of statistical control of…
Documents
SOP 30 — Process Measurement Assurance
…The selected check standard should be selected to evaluate maximum random variation, s p, and bias of the process. The check standard selected should…
Documents
SOP 7 — Single Substitution
…The observed value of the check standard is compared to the accepted mean value of the check standard and divided by the standard deviation…
…The observed value of the check standard is compared to the accepted mean value of the check standard and divided by the standard deviation…
Documents
SOP 9 — Control Charts for Mass
…Define Type and Number of Ch eck Standards A check standard must be stable and is normally comparable to the reference standard or to…
Documents
SOP 5 — 3 1 Weighing Design
…The observed value of the check standard is compared to the accepted mean value of the check standard and divided by the standard deviation…
Dictionary
Process measurement assurance
A program of intermediate checks using check standards and control charts to demonstrate that a measurement process remains in statistical control between calibrations, as…
…The observed value of the check standard is compared to the accepted mean value of the check standard and divided by the standard deviation…
Documents
SOP 4 — Double Substitution
…If check standards were already checked on a given day and found to be in control, additional check standard measurements are not require d…