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BS EN 60068-2-39:2016

BS EN 60068-2-39:2016

$102.76

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 2016 22
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This part of IEC 60068 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.

The object of combined testing is to investigate to what extent the equipment or components are affected by combined temperature or temperature and humidity with low air pressure tests.

The method of combined tests detects electrical, mechanical or other physical variations.

PDF Catalog

PDF Pages PDF Title
6 English
CONTENTS
7 FOREWORD
9 INTRODUCTION
10 1 Scope and object
2 Normative references
3 Terms and definitions
4 Testing
4.1 General
4.2 Preferred combinations
11 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
12 Figures
Figure 1 – Example of test sequence with cold temperature and low air pressure
13 4.4.3 Test with temperature, humidity and low air pressure
Figure 2 – Example of test sequence with dry heat and low air pressure
15 Figure 3 – Example of test sequence of temperature and humidity with low air pressure
16 5 Final measurements
6 Information to be given in the relevant specification
7 Information to be given in the test report
18 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
20 Bibliography

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BS EN 60068-2-39:2016
$102.76