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IEC 60068-3-11:2007

Current
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
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English - French, Spanish, Castilian

Published date

05-15-2007

Publisher

International Electrotechnical Committee

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

Demonstrates how to estimate the uncertainty of steady-state temperature and humidity conditions in temperature and humidity chambers. Since this is inextricably linked to the methods of measurement, these are also described. This standard is equally applicable to all environmental enclosures, including rooms or laboratories. The methods used apply both to temperature chambers and combined temperature and humidity chambers. This standard is meant to help everyone using climatic test chambers. Those already familiar with uncertainty of measurement will find it useful for guidance on typical sources of uncertainty and how they should be quantified and combined. It is also intended to assist the first-time or occasional user who has little or no knowledge of the subject. To discuss uncertainty, it is important first to understand what is being measured or characterized. The calibration or characterization of the performance of a chamber is concerned with the humidity and temperature of the air in the chamber, as experienced by the item under test, at a given set point. This should not be confused with characterizing or calibrating the chamber sensor, which is a separate matter.

Committee
TC 104
DevelopmentNote
Also numbered as BIS IS 9001-20. (05/2011) Stability Date: 2017. (09/2017)
DocumentType
Standard
Pages
68
PublisherName
International Electrotechnical Committee
Status
Current

09/30212082 DC : 0
IEC 60068-3-5:2018 RLV Environmental testing - Part 3-5: Supporting documentation and guidance - Confirmation of the performance of temperature chambers
IEC 60068-3-6:2018 RLV Environmental testing - Part 3-6: Supporting documentation and guidance - Confirmation of the performance of temperature/ humidity chambers
UNE-EN 13936:2014 Workplace exposure - Procedures for measuring a chemical agent present as a mixture of airborne particles and vapour - Requirements and test methods
IEC 60068-3-5:2018 Environmental testing - Part 3-5: Supporting documentation and guidance - Confirmation of the performance of temperature chambers
I.S. EN IEC 60068-3-5:2018 ENVIRONMENTAL TESTING - PART 3-5: SUPPORTING DOCUMENTATION AND GUIDANCE - CONFIRMATION OF THE PERFORMANCE OF TEMPERATURE CHAMBERS
EN IEC 60068-3-6:2018/AC:2018-05 ENVIRONMENTAL TESTING - PART 3-6: SUPPORTING DOCUMENTATION AND GUIDANCE - CONFIRMATION OF THE PERFORMANCE OF TEMPERATURE/HUMIDITY CHAMBERS (IEC 60068-3-6:2018)
UNI EN 13936 : 2014 WORKPLACE EXPOSURE - PROCEDURES FOR MEASURING A CHEMICAL AGENT PRESENT AS A MIXTURE OF AIRBORNE PARTICLES AND VAPOUR - REQUIREMENTS AND TEST METHODS
IEC 60068-3-5 REDLINE : 2.0 ENVIRONMENTAL TESTING - PART 3-5: SUPPORTING DOCUMENTATION AND GUIDANCE - CONFIRMATION OF THE PERFORMANCE OF TEMPERATURE CHAMBERS
BS EN 13936:2014 Workplace exposure. Procedures for measuring a chemical agent present as a mixture of airborne particles and vapour. Requirements and test methods
I.S. EN IEC 60068-3-6:2018 COR 2018 ENVIRONMENTAL TESTING - PART 3-6: SUPPORTING DOCUMENTATION AND GUIDANCE - CONFIRMATION OF THE PERFORMANCE OF TEMPERATURE/HUMIDITY CHAMBERS (IEC 60068-3-6:2018)
EN IEC 60068-3-5:2018 Environmental testing - Part 3-5: Supporting documentation and guidance - Confirmation of the performance of temperature chambers
BS EN 60068-3-5:2002 Environmental testing. Guidance Confirmation of the performance of temperature chambers
I.S. EN 13936:2014 WORKPLACE EXPOSURE - PROCEDURES FOR MEASURING A CHEMICAL AGENT PRESENT AS A MIXTURE OF AIRBORNE PARTICLES AND VAPOUR - REQUIREMENTS AND TEST METHODS
IEC 60068-3-6 REDLINE : 2.0 ENVIRONMENTAL TESTING - PART 3-6: SUPPORTING DOCUMENTATION AND GUIDANCE - CONFIRMATION OF THE PERFORMANCE OF TEMPERATURE/HUMIDITY CHAMBERS
IEC 60068-3-6:2018 Environmental testing - Part 3-6: Supporting documentation and guidance - Confirmation of the performance of temperature/ humidity chambers
EN 13936:2014 Workplace exposure - Procedures for measuring a chemical agent present as a mixture of airborne particles and vapour - Requirements and test methods
DIN EN 13936 E : 2014 WORKPLACE EXPOSURE - PROCEDURES FOR MEASURING A CHEMICAL AGENT PRESENT AS A MIXTURE OF AIRBORNE PARTICLES AND VAPOUR - REQUIREMENTS AND TEST METHODS
DIN EN 13936:2014-04 Workplace exposure - Procedures for measuring a chemical agent present as a mixture of airborne particles and vapour - Requirements and test methods
09/30211895 DC : 0 BS EN 60212 - STANDARD CONDITIONS FOR USE PRIOR TO AND DURING THE TESTING OF SOLID ELECTRICAL INSULATING MATERIALS

BS 1339-1:2002 Humidity Terms, definitions and formulae
IEC 60068-3-6:2001 Environmental testing - Part 3-6: Supporting documentation and guidance - Confirmation of the performance of temperature/humidity chambers
ISO 3534-2:2006 Statistics Vocabulary and symbols Part 2: Applied statistics
IEC 60068-3-5:2001 Environmental testing - Part 3-5: Supporting documentation and guidance - Confirmation of the performance of temperature chambers
ISO 3534-1:2006 Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability

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Hardcopy - English - French
PDF - English - French
PDF 3 Users - English - French
PDF 5 Users - English - French
PDF 9 Users - English - French
Hardcopy - Spanish
PDF - Spanish
PDF 3 Users - Spanish
PDF 5 Users - Spanish
PDF 9 Users - Spanish
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