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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.

Our professions and skills

Combining technical competence, exceptional instrumentation, mastery of standards and procedures, our laboratories guarantee the proper conduct of test campaigns and their reproducibility.

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You benefit from our know-how of testing and associated standards, our experience feedback on test campaigns and our mastery in project management.

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Our training courses are aimed at all those involved in the design, manufacture or marketing of products and who have to comply with applicable regulations or qualification requirements.

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Our knowledge of tests and their implementation is reflected in the design of tailor-made tooling and test bench solutions.

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