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Temperature Test Chamber Knowledge

  What is a  Temperature Chamber ? Temperature chambers are controlled atmospheres capable of creating conditions an item will be exposed to when it is in use. This highly controlled technological equipment can generate the various types of dangers, applications, and conditions that the product might encounter. To determine the longevity of an item, Temperature chambers can produce conditions that mimic a product’s life span by rapidly altering it. Temperature chambers let companies test how their products react when exposed to extreme conditions. The capability to create these conditions can help introduce a product to the market that is not able to meet the needs of the customer.   How a Temperature Chamber Works? Temperature chambers employ different techniques to produce the various temperatures to mimic different atmospheric conditions. The differences in the processes are not directly related to the device’s effectiveness but are more in line with the specific proce...
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Temperature Cycling Test Main Points

  Environmental factors have a great impact on product reliability, and most of the failure of products is caused by environmental factors1 In nearly 20 environmental factors, the influence of temperature accounts for about 40% of the total proportion of environmental factors.  Therefore, it is essential to select the appropriate parameters according to the characteristics of the sample and the test chamber itself, so that the temperature cycle test effect can be optimal.  At present, the standards of temperature cycle test are MIL-STD-883G 1010.8, JESD22-A104-B, etc., but there are differences in the parameters in each standard, so the analysis of the key parameters of the temperature cycle test and the selection of appropriate standards are of great significance to improve the reliability of electronic products and monitor the quality of products.   1. Temperature Cycling Test  Standard The temperature cycling test is to place the sample in the test chamber wi...
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Explosion Proof Performance of Temperature Humidity Test Chamber

  Environmental test equipment mainly simulates a series of natural conditions such as high and low temperature, damp heat, low pressure, sand and dust, and has high requirements for simulation accuracy. With the development of the industry. More and more customers need to put forward explosion-proof requirements for equipment while realizing the above environmental simulation.  So as to adapt to a wider range of test samples. For explosion-proof, the concentration of combustible gas in the chamber shall be detected during the simulation test. When abnormalities are found, the test chamber shall take measures to reduce the concentration of combustible gas and avoid accidents such as combustion and explosion. Once an explosion occurs, the strength structure and protective measures of the test chamber are particularly important. Proper protection can reduce economic property losses and avoid casualties.   1.Control of Chamber Explosion is caused by violent chemical reaction...
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Salt Spray Test Chamber Introduce and Calibration

  In coastal areas, the atmosphere is full of salt fog, which mainly comes from the sea water. These salt fog in the atmosphere have strong corrosive application to commodities and materials.  In the process of transportation, if it passes through the sea or coastal areas, the transported goods are likely to be damaged due to the corrosion of salt fog. Therefore, under such circumstances, salt spray corrosion of commodities or articles in advance can not only fully understand the salt spray corrosion resistance in advance, but also avoid the corrosion of commodities due to poor consideration in the process of transportation. Next, let’s explore the important role of salt spray corrosion test chamber in the anti fog corrosion of articles.   1.Meaning  The so-called  salt corrosion test chamber  is a common environmental detection and test equipment. It mainly creates a salt spray atmospheric environment similar to nature by simulating the content of salt spr...
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Lithium-ion Battery Energy Storage Safety Standards – Part 3

  2.1 Comparison of Structural Safety Requirements UL1973 puts forward more detailed and specific requirements for product shell. For example, there are specific requirements for non-metallic shell, metal shell, wall hanging support handle, cable and terminal. In these aspects,  IEC  and GB standards have no detailed specification requirements, but only require that the shell shall not be broken in relevant experiments, resulting in internal material exposure or liquid leakage. UL standard also regulates the reliable protective grounding of the shell, while IEC and GB have no protective grounding specifications for the battery system, which are implemented according to relevant electrical standards, which is easy to be neglected in the process of inspection.   2.2 Comparison of Safety Requirements for Battery The battery body safety here refers to the test requirements directly related to the battery, such as overcharge and discharge test. The national standard speci...
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Lithium-ion Battery Energy Storage Safety Standards – Part 2

  1.2 Safety Standards for UL Energy Storage Systems UL(Underwriter Laboratories Inc.) The Safety Laboratory is the most authoritative independent and profit-making professional organization engaged in safety testing and identification in the United States, and its main safety standards for electrochemical energy storage are as follows: UL 1973 STANDARD FOR SAFETY ANSI CAN/UL-1973:2018，Batteries of Stationary,Vehicle Auxiliary Power and Light Electric Rail(LER)Applications UL 9540 Energy Storage Systems and Equipment Test Standard UL9540A Evaluating Thermal Runaway Fire Propagation in Battery Energy Storage Systems   UL1973 covers battery systems for energy storage in stationary applications such as photovoltaics, wind storage or UPS, as well as battery systems for light electric tracks and stationary railway applications, such as railway substations, and, in a similar way to IEC62619, covers common safety requirements.  However, unlike IEC, UL does not plan to compile li...
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