BS EN 60068-2-39:2016 – TC:2020 Edition
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Tracked Changes. Environmental testing – Tests. Tests and guidance: Combined temperature or temperature and humidity with low air pressure tests
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 47 |
IEC 60068-2-39:2015 provides a description of test methods and guidance for testing of equipment or components under combined temperature or temperature and humidity with low air pressure tests. This second edition cancels and replaces the first edition published in 1976 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) preferred severities of the IEC 60068 series; b) combined temperature, humidity and low air pressure.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 31 | English CONTENTS |
| 32 | FOREWORD |
| 34 | INTRODUCTION |
| 35 | 1 Scope and object 2 Normative references 3 Terms and definitions 4 Testing 4.1 General 4.2 Preferred combinations |
| 36 | 4.3 Initial measurement and functional performance test 4.4 Test procedure 4.4.1 Preconditioning 4.4.2 Test with temperature and low air pressure Tables Table 1 – Test severities |
| 37 | Figures Figure 1 – Example of test sequence with cold temperature and low air pressure |
| 38 | 4.4.3 Test with temperature, humidity and low air pressure Figure 2 – Example of test sequence with dry heat and low air pressure |
| 40 | Figure 3 – Example of test sequence of temperature and humidity with low air pressure |
| 41 | 5 Final measurements 6 Information to be given in the relevant specification 7 Information to be given in the test report |
| 43 | Annex A (informative) Guidance on combined temperature or temperature and humidity with low air pressure testing A.1 General A.2 Environmental effects A.3 Measurement of temperature |
| 45 | Bibliography |
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