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Concept
Environmental chamber
Summary
An environmental chamber, also called a climatic chamber or climate chamber, is an enclosure used to test the effects of specified environmental conditions on biological items, industrial products, materials, and electronic devices and components.
Such a chamber can be used:
as a stand-alone test for environmental effects on test specimens
as preparation of test specimens for further physical tests or chemical tests
as environmental conditions for conducting testing of specimens
An environmental test chamber artificially replicates conditions which machinery, materials, devices or components might be exposed to. It is also used to accelerate the effects of exposure to the environment, sometimes at conditions not actually expected.
Chamber testing involves testing and exposing products to various environmental conditions in a controlled setting. Climatic Chamber testing and Thermal Shock testing are part of chamber testing. Climatic Chamber testing is a broad category of ways to simulate climate or excessive ambient conditions exposure for a product or a material under laboratory-controlled yet accelerated conditions. On the other hand, Thermal Shock testing is used to simulate how materials will react when exposed to changes in extreme climatic conditions, such as going from extremely cold to extremely hot conditions in a very short period of time (usually only few seconds).
These conditions may include:
extreme temperatures
sudden and extreme temperature variations - thermal shock
altitude
moisture or relative humidity
electrodynamic vibrations
electromagnetic radiation
Cyclic corrosion testing
salt spray
rain
weathering
exposure to sun, causing UV degradation
vacuum
Manufactured samples, specimens, or components are placed inside the chamber and subjected to one or more of these environmental parameters to determine reliability or measure after-effects such as corrosion. In the case of machinery such as internal combustion engines, byproducts such as emissions are monitored.
Official source
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