Form of Precision Statement sigma limit in percent” is obtained by dividing (d2s) by the 6. the (1s) and (d2s) limits as described in ASTM Practice C Find the most up-to-date version of ASTM C at Engineering 15 Jun Purchase your copy of ASTM C – 15 as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards available.
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This practice supplements Practice E and has been developed to meet the needs of ASTM Committees dealing with construction materials.
Test method shall conform to the maximum acceptable range of individual measurements. The printed version is available at half price when you buy the electronic version.
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Examples of precision statements that conform to this practice are astn in Appendix X1. This practice provides guidance for preparing precision and bias statements that comply with these requirements.
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Further, the precision statement is required to contain a statement on single-operator precision repeatability and a statement on multilaboratory precision reproducibility. Search all products by. It is not possible to buy in the shop – please contact us. Link to Active This link will always route to the current Active version of the standard. This practice supplements Practice E and has been developed to meet the needs of ASTM Committees dealing with construction materials.
Although this practice is under the jurisdiction of Committee C09, the current version was developed jointly by Committees C01 and C09 and asfm subsequently been adopted asm use by other committees dealing with construction materials. Username or password d670. Acceptable range, Bias, Coefficient of variation, Difference limit, Multilaboratory precision, Single-operator precision, Standard deviation, Test determination, Test result.
Discussion of the purpose and significance of precision and bias statements for users of test methods is also provided.
In any test method, tolerances are placed on the accuracy of measuring equipment. You must be logged in to sign up for monitoring You must be logged in to sign up for subscription. Du abonnerer allerede dette emne. Find Similar Items This product falls into the following categories. This practice supplements Practice E and has been developed to meet c607 needs of ASTM Committees dealing with construction materials.
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Activation of your subscription failed – please try again later or contact us. Continue shopping Proceed to checkout. All tests made with a given set of equipment which has an error within the permitted tolerance will produce results with a small consistent bias, but that bias is not inherent in the test method and is not included in the bias statement for the test method.
ASTM C670 – 15
Dimensional quantities in the practice are presented only in examples of precision and bias statements. Active view current version of standard. This practice provides guidance for preparing precision and bias statements that comply with these requirements.