Test chambers simulate climatic conditions to test the strength and stability of equipment, products, and substances. They come in different sizes and can perform various tests, including temperature and humidity tests. Testers can expose products to physical forces to reveal failures before use. Companies use test chambers for completed or partially completed products and offer units for retail or lease to the industrial and military sectors.
A test chamber is a purpose-built controlled environment that companies use to test the strength or stability of equipment, products, and substances. Environmental test chambers simulate the climatic conditions that products are most likely to encounter during use. These conditions could include extreme variations in temperature or humidity, altitude or geographic location. Testers could also perform dynamic tests, exposing products to physical forces including inertia or vibration in an attempt to reveal failures before the products are used in flight or at high speeds. Companies could use test chambers for completed or partially completed products.
Manufacturers design and build test chambers in a number of sizes ranging from 2 cubic feet (0.05 cubic meters) of space to full size chambers. Most contain stainless steel interiors and some feature interior lighting and viewing windows. External control panels allow testers to schedule desired environmental tests for specific periods of time. Depending on your specific needs, the available test units perform one or more tests. Test chamber manufacturers offer units for retail or lease to the industrial and military sectors.
Temperature test chambers often contain infrared lighting to simulate heated environments and refrigeration units to simulate cold. Companies perform heat stress testing by exposing equipment or objects to rapidly changing temperatures. The test can be performed while the equipment under test is operational or inoperative. Depending on the particular test chamber, temperatures can drop as low as -100 degrees Fahrenheit (-73 degrees Celsius) and can rise as high as 850 degrees Fahrenheit (538 degrees Celsius).
Companies often expose equipment or products to extreme conditions beyond normal conditions to determine ultimate stress tolerances. Humidity test chambers create warm, moisture-filled air environments. This type of test chamber often performs condensation and non-condensation tests. By regulating the temperature and humidity levels of the chamber, researchers can induce moisture condensation. The environment check also allows testers to expose equipment or products to a “breathing” process, which draws moisture from the air into the test object, thereby verifying moisture resistance or level of functionality after that. the moisture has been absorbed.
The companies also use clear plastic test chambers that simulate the atmosphere of moist, salty coastal air. Equipment or items designed for use in tropical locations may undergo fungal testing using cultures of fungus or mold spores combined with heat and humidity. Other test chambers might expose test objects to thermal vacuum environments, similar to the atmosphere found in outer space. Centrifugal devices, shaker tables, and other mechanical devices placed in a test chamber replicate a variety of physical stressors.
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