In order to achieve reproducibility, temperature tests must be designed in such a way that the highest or lowest temperature reached at a certain point in the high and low temperature test chamber is the same, regardless of the laboratory in which the test is conducted. For test designs with a shorter duration compared to the time required for the test sample to reach temperature stability, the fo...
Introduction Electromagnetic compatibility (EMC) is significant in the field of industrial automation, where continuous production processes are essential for success. Numerous electronic devices coexisting in industrial settings may cause electromagnetic interference (EMI) and interfere with the efficient operation of automated systems. In order to properly evaluate and remedy EMI concerns in ind...
In recent years, with the popularity of electronic devices and the rapid development of wireless communication, the potential harm of electromagnetic field radiation to human health has attracted wide attention. In order to protect people’s health and ensure the normal operation of electronic devices, it has become particularly important to conduct EMI, conducted emission and radiated emissi...
The IPx9K High Temperature Pressure Jet Waterproof Test Chamber is a testing equipment that can simulate high-pressure water injection conditions in real environments, used to test the waterproof and sealing performance of electronic devices or automotive components under high-pressure and high-temperature water flow impact. It is composed of nozzles, water pumps, heaters, etc. Among them, IPX9K i...
8. Protection of Users-Accessibility of Uninsulated Live Parts and Moving Parts-and User Servicing 8.1 The requirements in 8.2-8.17 apply only to low voltage parts that are accessible to the user and are isolated from medium voltage circuits. See 8.18 for requirements for medium voltage parts and low voltage parts that are not isolated from medium voltage circuits. For protection of service person...
Lighting fixtures play a crucial role in the field of lighting. To ensure the lighting effect and quality of the fixtures, it is necessary to test and evaluate their light intensity distribution. This article will introduce the methods and steps of using a Goniophotometer for luminous intensity measurement and ies testing. A goniophotometer is the main measuring device for testing the photometric ...
With the increasing number of incidents of interior material combustion in cars, ensuring the safety of the interior has become an important issue. This article introduces an advanced Flammability Test Apparatus for Burning Tests and Flammability Tests to ensure the safety and reliability of automotive interior materials. In recent years, incidents of interior material combustion in cars have occu...
Probe Test A tamper-resistant receptacle shall not permit contact to be made between the probe shown in Figure 139.1 and Figure 139.2 and any live part of the receptacle through the outlet slots when tested as described in this section. Twelve previously untested devices are to be used for this test. The probe shown in Figure 139.1 is to be applied to each of the outlet slot openings of the recept...
With the popularity of smart devices and increasing demands for waterproof and dustproof features in devices like smartphones and watches, waterproof and dustproof technologies have received more and more attention. In the market, the commonly seen waterproof and dustproof ratings are IP68 and IP65. In this article, we will explore the differences between IP68 waterproof and dustproof tests and IP...
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