{"id":355361,"date":"2024-10-20T01:07:38","date_gmt":"2024-10-20T01:07:38","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-6461-31995\/"},"modified":"2024-10-26T01:24:37","modified_gmt":"2024-10-26T01:24:37","slug":"bsi-pd-6461-31995","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-6461-31995\/","title":{"rendered":"BSI PD 6461-3:1995"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nPUBLISHED DOCUMENT <\/td>\n<\/tr>\n
2<\/td>\nCommittees responsible for this Published\ufffdDocument <\/td>\n<\/tr>\n
3<\/td>\nContents <\/td>\n<\/tr>\n
9<\/td>\n0 Introduction <\/td>\n<\/tr>\n
10<\/td>\nRecommendation INC-1 (1980) <\/td>\n<\/tr>\n
11<\/td>\n1 Scope
2 Definitions
2.1 General metrological terms <\/td>\n<\/tr>\n
12<\/td>\n2.2 The term \u201cuncertainty\u201d
2.3 Terms specific to this
2.3.1 standard uncertainty
2.3.2 type A evaluation (of uncertainty)
2.3.3 type B evaluation (of uncertainty) <\/td>\n<\/tr>\n
13<\/td>\n2.3.4 combined standard uncertainty
2.3.5 expanded uncertainty
2.3.6 coverage factor
3 Basic concepts
3.1 Measurement <\/td>\n<\/tr>\n
14<\/td>\n3.2 Errors, effects, and corrections <\/td>\n<\/tr>\n
15<\/td>\n3.3 Uncertainty <\/td>\n<\/tr>\n
16<\/td>\n3.4 Practical considerations <\/td>\n<\/tr>\n
17<\/td>\n4 Evaluating standard uncertainty
4.1 Modelling the measurement <\/td>\n<\/tr>\n
18<\/td>\n4.2 Type A evaluation of standard uncertainty <\/td>\n<\/tr>\n
20<\/td>\n4.3 Type uncertainty B evaluation of standard\ufffduncertainty <\/td>\n<\/tr>\n
23<\/td>\nFigure 1 – Graphical illustration of evaluating the standard uncertainty of an input quantity from repeated … <\/td>\n<\/tr>\n
24<\/td>\n4.4 Graphical illustration of evaluating standard uncertainty
Table 1 – Twenty repeated observations of the temperature <\/td>\n<\/tr>\n
25<\/td>\nFigure 2 – Graphical illustration of evaluating the standard uncertainty of an input quantity from an a prio… <\/td>\n<\/tr>\n
26<\/td>\n5 Determining combined standard uncertainty
5.1 Uncorrelated input quantities <\/td>\n<\/tr>\n
28<\/td>\n5.2 Correlated input quantities <\/td>\n<\/tr>\n
30<\/td>\n6 Determining expanded uncertainty
6.1 Introduction <\/td>\n<\/tr>\n
31<\/td>\n6.2 Expanded uncertainty
6.3 Choosing a coverage factor <\/td>\n<\/tr>\n
32<\/td>\n7 Reporting uncertainty
7.1 General guidance <\/td>\n<\/tr>\n
33<\/td>\n7.2 Specific guidance <\/td>\n<\/tr>\n
35<\/td>\n8 Summary of procedure for evaluating and expressing uncertainty <\/td>\n<\/tr>\n
36<\/td>\nAnnex A Recommendations of Working Group and CIPM
A.1 Recommendation INC-1 (1980) <\/td>\n<\/tr>\n
37<\/td>\nA.2 Recommendation 1 (CI-1981)
A.3 Recommendation 1 (CI-1986) <\/td>\n<\/tr>\n
38<\/td>\nAnnex B General metrological terms
B.1 Source of definitions
B.2 Definitions
B.2.1 (measurable) quantity
B.2.2 value (of a quantity) <\/td>\n<\/tr>\n
39<\/td>\nB.2.3 true value (of a quantity)
B.2.4 conventional true value (of a quantity)
B.2.5 measurement
B.2.6 principle of measurement
B.2.7 method of measurement
B.2.8 measurement procedure
B.2.9 measurand <\/td>\n<\/tr>\n
40<\/td>\nB.2.10 influence quantity
B.2.11 result of a measurement
B.2.12 uncorrected result
B.2.13 corrected result
B.2.14 accuracy of measurement
B.2.15 repeatability (of results of measurements) <\/td>\n<\/tr>\n
41<\/td>\nB.2.16 reproducibility (of results of measurements)
B.2.17 experimental standard deviation
B.2.18 uncertainty (of measurement) <\/td>\n<\/tr>\n
42<\/td>\nB.2.19 error (of measurement)
B.2.20 relative error
B.2.21 random error
B.2.22 systematic error
B.2.23 correction
B.2.24 correction factor <\/td>\n<\/tr>\n
43<\/td>\nAnnex C Basic statistical terms and concepts
C.1 Source of definitions
C.2 Definitions <\/td>\n<\/tr>\n
46<\/td>\nC.3 Elaboration of terms and concepts
C.3.1 Expectation <\/td>\n<\/tr>\n
47<\/td>\nC.3.2 Variance
C.3.3 Standard deviation
C.3.4 Covariance <\/td>\n<\/tr>\n
48<\/td>\nC.3.5 Covariance matrix
C.3.6 Correlation coefficient
C.3.7 Independence
C.3.8 The t-distribution; Student\u2019s distribution <\/td>\n<\/tr>\n
49<\/td>\nAnnex D \u201cTrue\u201d value, error, and uncertainty
D.1 The measurand
D.2 The realized quantity
D.3 The \u201ctrue\u201d value and the corrected value <\/td>\n<\/tr>\n
50<\/td>\nD.4 Error
D.5 Uncertainty <\/td>\n<\/tr>\n
51<\/td>\nD.6 Graphical representation <\/td>\n<\/tr>\n
52<\/td>\nFigure D.1 – Graphical illustration of value, error, and uncertainty <\/td>\n<\/tr>\n
53<\/td>\nFigure D.2 – Graphical illustration of values, error, and uncertainty <\/td>\n<\/tr>\n
54<\/td>\nAnnex E Motivation and basis for Recommendation INC-1 (1980)
E.1 \u201cSafe,\u201d \u201crandom,\u201d and \u201csystematic\u201d
E.2 Justification for realistic uncertainty evaluations
E.3 Justification for treating all uncertainty components identically <\/td>\n<\/tr>\n
57<\/td>\nE.4 Standard deviations as measures of uncertainty <\/td>\n<\/tr>\n
59<\/td>\nE.5 A comparison of two views of uncertainty <\/td>\n<\/tr>\n
60<\/td>\nAnnex F Practical guidance on evaluating uncertainty components
F.1 Components evaluated from repeated observations: Type A evaluation of standard uncertainty
F.1.1 Randomness and repeated observations
F.1.2 Correlations <\/td>\n<\/tr>\n
62<\/td>\nF.2 Components evaluated by other means: Type B evaluation of standard uncertainty
F.2.1 The need for Type B evaluations <\/td>\n<\/tr>\n
63<\/td>\nF.2.2 Mathematically determinate distributions
F.2.3 Imported input values <\/td>\n<\/tr>\n
64<\/td>\nF.2.4 Measured input values <\/td>\n<\/tr>\n
68<\/td>\nF.2.5 Uncertainty of the method of measurement
F.2.6 Uncertainty of the sample <\/td>\n<\/tr>\n
69<\/td>\nAnnex G Degrees of freedom and levels of confidence
G.1 Introduction
Table G.1 – Value of the coverage factor <\/td>\n<\/tr>\n
70<\/td>\nG.2 Central Limit Theorem
G.3 <\/td>\n<\/tr>\n
72<\/td>\nG.4 Effective degrees of freedom <\/td>\n<\/tr>\n
73<\/td>\nG.5 Other considerations <\/td>\n<\/tr>\n
74<\/td>\nG.6 Summary and conclusions <\/td>\n<\/tr>\n
76<\/td>\nTable G.2 <\/td>\n<\/tr>\n
77<\/td>\nAnnex H Examples
H.1 End-gauge calibration
H.1.1 The measurement problem
H.1.2 Mathematical model <\/td>\n<\/tr>\n
78<\/td>\nH.1.3 Contributory variances <\/td>\n<\/tr>\n
80<\/td>\nTable H.1 – Summary of standard uncertainty components <\/td>\n<\/tr>\n
81<\/td>\nH.1.4 Combined standard uncertainty
H.1.5 Final result
H.1.6 Expanded uncertainty <\/td>\n<\/tr>\n
82<\/td>\nH.1.7 Second-order terms <\/td>\n<\/tr>\n
83<\/td>\nH.2 Simultaneous resistance and reactance measurement
H.2.1 The measurement problem
H.2.2 Mathematical model and data <\/td>\n<\/tr>\n
84<\/td>\nH.2.3 Results: approach 1 <\/td>\n<\/tr>\n
85<\/td>\nTable H.2 – Values of the input quantities
H.2.4 Results: approach 2 <\/td>\n<\/tr>\n
86<\/td>\nTable H.3 – Calculated values of the output quantities
Table H.4 – Calculated values of the output quantities <\/td>\n<\/tr>\n
87<\/td>\nH.3 Calibration of a thermometer
H.3.1 The measurement problem <\/td>\n<\/tr>\n
88<\/td>\nH.3.2 Least-squares fitting
H.3.3 Calculation of results <\/td>\n<\/tr>\n
89<\/td>\nH.3.4 Uncertainty of a predicted value <\/td>\n<\/tr>\n
90<\/td>\nH.3.5 Elimination of the correlation between the slope and intercept <\/td>\n<\/tr>\n
91<\/td>\nH.3.6 Other considerations
H.4 Measurement of Activity
H.4.1 The measurement problem <\/td>\n<\/tr>\n
92<\/td>\nTable H.7 – Counting data for determining the activity concentration of an unknown sample <\/td>\n<\/tr>\n
93<\/td>\nH.4.2 Analysis of data
H.4.3 Calculation of final results <\/td>\n<\/tr>\n
94<\/td>\nTable H.8 – Calculation of decay-corrected and background-corrected counting rates <\/td>\n<\/tr>\n
96<\/td>\nH.5 Analysis of variance
H.5.1 The measurement problem <\/td>\n<\/tr>\n
97<\/td>\nTable 9 – Summary of voltage standard calibration data obtained on
H.5.2 A numerical example <\/td>\n<\/tr>\n
100<\/td>\nH.5.3 The role of ANOVA in measurement <\/td>\n<\/tr>\n
101<\/td>\nH.6 Measurements on a reference scale: hardness
H.6.1 The measurement problem <\/td>\n<\/tr>\n
102<\/td>\nH.6.2 Mathematical model
H.6.3 Contributory variances <\/td>\n<\/tr>\n
103<\/td>\nH.6.4 The combined standard uncertainty, <\/td>\n<\/tr>\n
104<\/td>\nTable 10 – Summary of data for determining the hardness of a sample block on the scale Rockwell C
H.6.5 Numerical example <\/td>\n<\/tr>\n
105<\/td>\nAnnex J Glossary of principal symbols <\/td>\n<\/tr>\n
108<\/td>\nAnnex K Bibliography <\/td>\n<\/tr>\n
109<\/td>\nAlphabetical index <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

General metrology – Guide to the expression of uncertainty in measurement (GUM)<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2003<\/td>\n114<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":355371,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[30,2641],"product_tag":[],"class_list":{"0":"post-355361","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-01-040-17","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/355361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/355371"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=355361"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=355361"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=355361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}