IEC 60068-2-39:2015
Environmental testing - Part 2-39: Tests - Tests and guidance: Combined temperature or temperature and humidity with low air pressure tests
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.
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.
Applies to aircraft components and equipment, particularly to those installed in unheated or unpressurized conditions. Has the status of a basic safety publication in accordance with IEC Guide 104.
Gives background information for Test Z/AM: Combined cold/low air pressure tests (IEC 68-2-40), and Test Z/BM: Combined dry heat/low air pressure tests (IEC 68-2-41).
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