BS ISO 10553:2018
$102.76
Horology. Procedure for evaluating the accuracy of quartz watches
| Published By | Publication Date | Number of Pages |
| BSI | 2018 | 22 |
This document specifies the procedure for evaluating the accuracy of quartz watches, individually and by lots (see Annex A which presents the methods for statistical evaluation of accuracy by lot), and the relationship between the accuracy tested and the accuracy classification given by the manufacturer.
It applies to quartz watches having accompanying documents on which the accuracy classification is indicated.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols and units |
| 8 | 5 Practical factors affecting accuracy 5.1 General 5.2 Accuracy 5.3 Influence of temperature on accuracy 5.4 Accidents or abnormal environment 6 Types of measurement |
| 9 | 7 Test methods 7.1 General test conditions 7.2 Ageing test programme |
| 10 | 7.3 Temperature simulation test programme |
| 11 | 7.4 Uncertainty of measurement |
| 12 | 8 Calculation of accuracy 8.1 General 8.2 Calculation of the effect of ageing on accuracy |
| 13 | 9 Relationship between the calculated accuracy and the accuracy classification indicated 10 Indication of the accuracy classification |
| 14 | 11 Reliability |
| 15 | Annex A (normative) Statistical evaluation of accuracy |
| 18 | Annex B (informative) Evaluation of coefficients α and c from the differences of rates |
| 20 | Annex C (informative) Reliability |
| 21 | Bibliography |
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BS ISO 10553:2018 – TC:2020 Edition
Tracked Changes. Horology. Procedure for evaluating the accuracy of quartz watches Published By Publication Date…
