Abstract With the widespread application of light-emitting diodes (LEDs) in lighting, displays, and medical devices, concerns about their potential photobiological hazards—such as retinal damage from blue light exposure—have grown significantly. The LED Photobiological Radiation Safety Test has become a critical procedure to evaluate these risks and ensure compliance with international stan...
Abstract Electrostatic discharge (ESD) poses a significant threat to the reliability and performance of semiconductor devices, such as integrated circuits (ICs), light-emitting diode (LED) chips, and transistors. To ensure these devices can withstand ESD events, standardized testing using Human Body Model (HBM) and Machine Model (MM) ESD simulator is critical. This paper focuses on the LISUN ESD-8...
Abstract Electrostatic discharge (ESD) generated by human bodies or between objects poses significant risks to electrical and electronic equipment, potentially causing malfunctions or permanent damage. To ensure the reliability of such equipment, evaluating their ESD immunity is essential. The electrostatic discharge gun, as a core testing device, simulates real-world ESD events to assess equipmen...
Abstract Humidity and temperature chamber, also known as environmental test chamber or thermal chamber, is a critical equipment designed to simulate various climatic conditions for evaluating the reliability and durability of industrial products. This paper focuses on the LISUN GDJS-015B humidity and temperature chamber, elaborating on its structural features, technical specifications, working pri...
Abstract This paper explores the High Current Arc Ignition Test, with a focus on the LISUN HCAI-2 High Current Arc Ignition Test System. It elaborates on the fundamental principles of high current arc generation, the structural composition and operational mechanisms of the LISUN HCAI-2 system, and its critical role in ensuring electrical safety across industries. By integrating experimental data, ...
Abstract Hipot Test, short for high potential test, is a critical electrical safety test designed to evaluate the insulation strength of electrical components by applying a higher-than-rated voltage for a specified duration. For capacitors, which are widely used in power systems, electronic devices, and industrial equipment, ensuring robust insulation performance through Hipot Test is essential to...
Abstract Transparent and translucent materials such as plastic sheets, films, glass, LCD panels, and touch screens play a critical role in industries ranging from electronics to packaging. Their optical properties, including color, haze, spectral transmittance, and total transmittance, directly determine product quality and performance. Traditional measurement methods often require multiple instru...
Abstract Color consistency is a critical quality indicator in the paint and coating industry, directly affecting product aesthetics, brand reputation, and market competitiveness. The LISUN HSCD-860 Portable Spectrophotometer for Paint emerges as a cutting-edge solution, integrating advanced optical technology, high-precision measurement capabilities, and user-friendly design to address the stringe...
Abstract The UL 94 Flammability Standards serve as a cornerstone in evaluating the fire performance of plastic materials and electrical equipment components. This paper delves into the application of these standards in horizontal and vertical flammability testing, with a specific focus on the LISUN HVR-LS Horizontal Vertical Flame Tester. It explores the testing principles, procedures, and signifi...
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