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Why conduct climate tests?

Within the framework of qualification, the climatic part of the test program allows to discover several failure modes related to extreme temperatures and/or their variation: mechanical deformation of parts, modification of the characteristics of electronic components, modification of properties of liquids (e. g. lubricants) and solids (material cracking, hardening,...). In the case of wet heat testing, the moisture stresses in addition to those in temperature allow to verify the impact of oxidation or corrosion phenomena, the swelling of certain materials, the delamination of composite materials, or even changes in thermal and electrical insulation characteristics...



Example of icing test (RTCA DO 160 section 24 category A, B or C)

This test allows equipment to be subjected to icing conditions resulting from rapid temperature variations, relative humidity and altitude. Here again, it is a question of discovering failure modes linked to extreme conditions.




Our climatic chambers (dry heat, humid heat, warmth, cold, humidity, icing, freezing, rain, rapid temperature variation,...)

- Number: 70
- Useful volume up to 93 m3
- Temperature: - 90 °C to + 650 °C
- Rapid temperature change: 20 °C/min
- Relative humidity: from 10 to 100% Hr

Note: We provide you with a hot (+135 °C), cold (-60 °C) and humidity climatic chamber, equipped with exhaust gas extraction for tests on large dimensions, or even a complete vehicle.




The importance of monitoring and available servitudes

For the duration of the tests, from a few minutes to several months, the equipment under test can be continuously monitored: thermocouple, voltage, current, rotation speed, micro-power cuts,...

Our multiple servitudes (electric, hydraulic, pneumatic) and our skills in the vibratory, climatic and hydraulic fields allow us to carry out tests in the configurations of representative environments in normal or severe use.

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