ISO 5725-1 FREE DOWNLOAD

According to ISO , [5] the general term "accuracy" is used to describe the closeness of a measurement to the true value. International Standard under periodical review. Accuracy has two definitions: To avoid this ambiguity, the number could be represented in scientific notation: Bindi Date of publication: May be applied to a very wide range of materials, including liquids, powders and solid objects, manufactured or naturally occurring, provided that due consideration is given to any heterogeneity of the material. Principles of the statistical control of batches.

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ISO 5725-1:1994

General principles and definitions. Terms and Conditions Terms of subscription Online watch.

Pinet Date of publication: Commonly used metrics include the notions of precision and recall. NF X September Measurement of fluid flow in closed conduites. International Standard under periodical review. The validity of a measurement instrument or psychological test is established through experiment or correlation with behavior.

Keep up to date with ISO Sign up to our newsletter for the latest news, views and product information Subscribe. X November Application of statistics.

Similarly, it is possible to use a multiple of the basic measurement unit: A measurement system can be accurate but not precise, precise but not accurate, neither, or both.

November Number of pages: Retrieved from " https: Store Standards catalogue ICS 17 Look up accuracyor precision in Wiktionary, the free dictionary.

NF X September Aptitude of production means and processes isso Application at time of receipt of new production means or at time of start-up of a new production.

August Number of pages: Test yourself or sio business online. Check out our FAQs. Guide for inter laboratory tests. When the term is applied to sets of measurements of the same measurandit involves a component of random error and a component of systematic error. The purpose is to outline the general principles to be understood isso assessing accuracy trueness and precision of measurement methods and results, and in applications, and to establish practical estimations of the various measures by experiment.

The terminology is also applied to indirect measurements—that is, values obtained by a computational procedure from observed data. None of these metrics take into account the ranking of results.

NF ISO - December

Related terms include bias non- random or directed effects caused by a factor or factors unrelated to the independent variable and error random variability. The accuracy and precision of a measurement process is usually established by repeatedly measuring some traceable reference standard.

This page was last edited on 23 Septemberat Proof returned by secretariat. Option to visualize changes at a glance. Woven metal wire cloth, perforated plate and electroformed sheet. Nominal 55725-1 of openings.

In fact, it indicates a margin of 0. Detemination of aluminium, vanadium and iron contents in the TA6V alloy by flame atomic 57225-1 spectrophotometry. In other projects Wikimedia Commons.

For instance, a recording of January Number of pages: In addition to accuracy and precision, measurements may also have a measurement resolutionwhich is the smallest change in the underlying physical quantity that produces a response in the measurement.