IEC 60068-3-11 : 1.0

Table of Contents

FOREWORD<br>INTRODUCTION<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Concept of uncertainty<br>&nbsp;&nbsp;&nbsp;4.1 Uncertainty, error and 'true value'<br>&nbsp;&nbsp;&nbsp;4.2 Statements of uncertainty <br>&nbsp;&nbsp;&nbsp;4.3 Combining uncertainties <br>5 Tolerance <br>6 Humidity and temperature measurement <br>7 Methods for determining climatic test chamber <br>&nbsp;&nbsp;&nbsp;uncertainties <br>&nbsp;&nbsp;&nbsp;7.1 Empty chamber <br>&nbsp;&nbsp;&nbsp;7.2 Typical load<br>&nbsp;&nbsp;&nbsp;7.3 Measurement of conditions in the chamber during <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the test <br>&nbsp;&nbsp;&nbsp;7.4 Conditions to measure<br>&nbsp;&nbsp;&nbsp;7.5 Measurements required<br>&nbsp;&nbsp;&nbsp;7.6 Sources of uncertainty<br>&nbsp;&nbsp;&nbsp;7.7 Essential contributions of uncertainty <br>8 Estimation of uncertainty components and their <br>&nbsp;&nbsp;&nbsp;combination <br>9 Overall uncertainty of temperature measurement<br>&nbsp;&nbsp;&nbsp;9.1 General <br>&nbsp;&nbsp;&nbsp;9.2 Further considerations<br>10 Overall uncertainty of relative humidity measurement <br>&nbsp;&nbsp;&nbsp;10.1 Uncertainty of temperature measurement at each <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sensor point<br>&nbsp;&nbsp;&nbsp;10.2 Uncertainty of the relative humidity measurement <br>11 Anomalous data and presentation of results <br>&nbsp;&nbsp;&nbsp;11.1 Average case analysis<br>&nbsp;&nbsp;&nbsp;11.2 Worst case analysis<br>Annex A (informative) Measurement data sets - Loaded chamber <br>Bibliography

Abstract

Specifies how to estimate the uncertainty of steady-state temperature and humidity conditions in temperature and humidity chambers.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 104