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IS0 consists of the following parts, under the general title Accuracy trueness and precision of measurement methods and results: In the former case, isoo repeatability standard devi- ation of the measurement method, or, will be used for the assessment of the laboratory bias.
Ein grundlegendes Verfahren fuer die Ermittlung der Wiederhol und Vergleichspraezision von festgelegten Messverfahren. In the latter case, it is necessary to investigate the causes of the discrep- ancy and possibly to repeat the experiment prior to proceeding further.
Unless otherwise stated, a is assumed to be 0.
There again, appropriate action should be taken by investigating these laboratories, or, if necessary, by tightening the 572-52 of the measurement method. In particular, if outlying values are de- tected, all necessary steps shall be taken to investi- gate the reasons why they have been obtained, including re-appraisal of the suitability of the accepted reference value.
Annex A forms an integral part of this part of IS0 Apart from the restriction to a single laboratory. In this report the following information shall be given: If it is proposed to undertake an experiment to estimate laboratory bias, then it should be realized that the estimate will be valid only at the time of the ex- periment.
Use in practice of accuracy values. Basic methods for the determination of repeatability and reproducibility of a standard measurement method. Accuracy trueness and precision of measurement methods and results — Part 2: Accuracy trueness and precision of measurement methods and results. The trueness of the measurement method can be investigated by comparing the accepted reference value with the level of the results given by the measurement method.
ISO Accuracy of measurement methods and results-Part 2 Basic method – MBA智库文档
Intermediate measures of the precision of a standard measurement method. IS0 l should be read in conjunction with ixo other parts of IS0including this part, because it gives the underlying definitions and general principles. General principles and definitions. If the measurement process is non-destructive, it is poss- ible to give all the laboratories in the interlaboratory experiment the same unit of reference material, but this will extend the time-frame of the experiment.
The units should be selected on a random basis for distribution. A Awar G 1, Find Similar Items This product falls into the following categories.
ISO matallic coatints measurement of coating thickness coulometic method by anodic dissolution. Take the smart route to manage medical device compliance. To request this FREE document, please email us.
Unless otherwise stated, a is assumed to be 0, Looking to purchase to post on your company’s Intranet? You can buy this standard from any national standardization body.
Methode de base pour la determination de la repetabilite et de la reproductibilite d’une methode de mesure normalisee Title in German Genauigkeit Richtigkeit und Praezision von Messverfahren und Messergebnissen.
BS ISO 5725-2:1994
Intermediate measures of the precision of a standard measurement method – Part 4: Al- though, for some measurement methods, the true value cannot be known exactly, it may be possible to have an accepted reference value for the property being measured; for example, if suitable reference materials are available, or if the accepted reference value can be established by refer- ence to another measurement method or by preparation of a known sample.
Basic method for the determination of repeatability and re- producibility of a standard measurement method – Part 3: Company organization, management and quality.
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