Environmental test chambers are large closed areas usually used to evaluate the properties of gases or liquids under controlled conditions. They are widely used in industry for testing various processes and determining how well they adhere to safety standards, and for testing components of industrial equipment. The test chamber is separated from the environment in such a way that the gases or liquids cannot escape to the environment. Generally, they are made of special synthetic materials that allow them to remain dry and unaffected by atmospheric conditions.
They differ from traditional incubators in that they do not use incubators and instead use dry materials placed in an enclosed environment. This makes the process much easier and faster, but also makes it difficult for the machine to identify whether or not the materials are heated above their boiling point. They are available in a variety of sizes. In general, an Environmental Test Chamber might have between four to twelve compartments. All the different compartments must be equally spaced apart for equal temperature distribution.
A variety of different testing parameters can be evaluated in these temperature chambers. Prior to using the chamber, the technician evaluates the overall quality of the test material. If any part of the material is less than optimal, then that part is replaced by another piece. One of the most common parts that people often replace in these temperature chambers is the humidity control device. If the humidity control does not work properly, then it will eventually lead to mold growth in the area, which is a safety hazard. High humidity in these chambers can also lead to electrical condensation on the surface of the material, leading to failures on other parts of the machine.
Most companies that offer environmental testing services also offer salt spray testing. When using the salt spray testing method, a small amount of salt is sprinkled into the chamber, and then technicians observe how the salt spray interacts with various materials in the chamber. Sometimes a sample of a material will become cloudier or more random during the testing process. This is called “desiccant” effect. Other times, the salt spray will produce a salty residue on the interior walls of the chamber. These residues are picked up by the tester, and then analyzed through different techniques.
All of these environmental test chambers offer controlled rooms where the tester can observe all of these processes. The tester simply has to enter the chamber, and start testing. Usually, the technician will place the controlled rooms in front of a computer screen so that he/she can easily see all of the data displayed on the computer screen.
Controlled rooms offer superior performance for a wide range of industries. In addition to environmental testing, temperature chambers also help to reduce the costs of high-energy output equipment, such as boilers and furnaces. They allow for increased efficiency, while at the same time, helping to maintain equipment and machinery at a constant operating temperature. Some companies use controlled rooms for a wide range of purposes, whether they are looking for an environmental test chamber, a temperature chamber, or both!