IEC 60068-3-11:2007
Current
The latest, up-to-date edition.
Environmental testing - Part 3-11: Supporting documentation and guidance - Calculation of uncertainty of conditions in climatic test chambers
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French, Spanish, Castilian
15-05-2007
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Concept of uncertainty
4.1 Uncertainty, error and 'true value'
4.2 Statements of uncertainty
4.3 Combining uncertainties
5 Tolerance
6 Humidity and temperature measurement
7 Methods for determining climatic test chamber
uncertainties
7.1 Empty chamber
7.2 Typical load
7.3 Measurement of conditions in the chamber during
the test
7.4 Conditions to measure
7.5 Measurements required
7.6 Sources of uncertainty
7.7 Essential contributions of uncertainty
8 Estimation of uncertainty components and their
combination
9 Overall uncertainty of temperature measurement
9.1 General
9.2 Further considerations
10 Overall uncertainty of relative humidity measurement
10.1 Uncertainty of temperature measurement at each
sensor point
10.2 Uncertainty of the relative humidity measurement
11 Anomalous data and presentation of results
11.1 Average case analysis
11.2 Worst case analysis
Annex A (informative) Measurement data sets - Loaded chamber
Bibliography
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.