The demand for reliable and energy-efficient LED lighting products has surged in recent years, emphasizing the importance of rigorous testing standards. The LED Lumen Maintenance and Aging Life Test System plays a critical role in evaluating the long-term performance of LED products. This article delves into the principles, methodologies, and significance of LED lumen maintenance and aging tests, ...
Abstract: This paper focuses on the LISN (Line Impedance Stabilization Network) coupling/decoupling network used in radiation testing, with a particular emphasis on its application in the LISUN EMI – 9KB EMI Test Receiver system. It comprehensively analyzes the working principle, structure, performance characteristics, and practical application scenarios of the LISN coupling/decoupling netwo...
Abstract This article explores the applications and principles of waterproof rain test chambers, focusing on their use in evaluating enclosure protection grades under various standards such as IPX3, IPX4, and higher. Using the LISUN JL-X IP Waterproof Test Equipment as a reference, the article delves into the operational mechanisms, technical specifications, and practical benefits of these chamber...
Abstract The UL Water Spray Test Device is pivotal for evaluating the water resistance of electronic and electrical products, lighting fixtures, electrical cabinets, and other components. This paper focuses on the operational principles, standards compliance, and applications of the LISUN JL-UL UL Water Spray Test Device. Detailed specifications, test procedures, and sample results are discussed, ...
Abstract: This paper focuses on the application of the LISUN EDX – 3 Portable X – ray Spectrometer, an advanced metal tester, in the detection of heavy metals in soil. With the increasing concern about soil pollution and its impact on the ecological environment and human health, accurate and efficient heavy metal detection in soil is of great significance. The LISUN EDX – 3 metal...
Abstract: This paper focuses on the corrosion resistance testing method of metal deposits and chemical treatment layers of light industrial products based on the ASTM B117 standard. The significance of corrosion resistance testing for light industrial products is introduced, and the LISUN YWX/Q-010 Salt Spray Test Chamber, a device conforming to ASTM B117, is detailed. The working principle, stand...
Abstract: This paper focuses on the long – focus crossed asymmetric CT spectroscopic system, with a particular emphasis on the crucial role of illuminance. By integrating the capabilities of the LISUN LMS – 6000 Portable CCD Spectroradiometer, we explore how illuminance influences the performance and applications of this spectroscopic system. Through theoretical analysis, experimental ...
Introduction to Impulse Magnetic Field Immunity Testing In the modern era of increasingly complex electronic systems, ensuring the immunity of devices to electromagnetic disturbances has become critical. One of the most challenging forms of electromagnetic interference (EMI) is the impulse magnetic field, which can cause severe malfunction in sensitive electronic equipment. To address this challen...
The IK Vertical Hammer Impact Tester plays a critical role in evaluating the durability and resilience of electrical and electronic equipment subjected to mechanical impacts, as per international standards such as IEC 60068-2-75. The LISUN IK07-10VT model, designed for vertical impact testing, is a robust piece of equipment widely used in product testing to simulate real-world mechanical stresses ...
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