Abstract Inductors are critical components in electronic circuits, and the magnetic core within them directly determines their performance stability and service life. Traditional inductance testing methods often fail to accurately reflect the actual working state of the core due to the lack of a DC bias current environment. This paper takes the LISUN LS1373 LCR Meter with DC Bias Current Source as...
Abstract With the rapid development of the LED industry, the reliability and performance of LED driver power supplies have become crucial factors affecting the quality of LED products. Led Driver Testing Equipment plays a core role in ensuring the compliance and stability of LED drivers. This paper takes the LISUN LS2090 LED Power Driver Tester as the research object, systematically introduces its...
Abstract In environments where electronic and electrical products, automotive components, and lamps operate, dust accumulation and infiltration often lead to performance degradation, functional failures, or shortened service life. The dustproof testing machine, as a core equipment for simulating dust climate conditions, plays a crucial role in verifying product dustproof performance and guiding pr...
Abstract With the increasing complexity of electrical and electronic systems, the reliability of power supply lines and internal connecting cables under transient interference has become a critical concern. Natural lightning-induced surges and high-capacity inductive-capacitive load switching can generate high-energy transient disturbances, which may cause irreversible damage to sensitive componen...
Abstract Salt spray corrosion, as one of the most destructive forms of atmospheric corrosion, poses a severe threat to the durability and reliability of metal materials and their protective coatings in harsh environments such as marine, automotive, and industrial settings. To address the challenges of evaluating corrosion resistance efficiently, salt spray test chambers have become indispensable e...
Abstract Glow wire flammability testing is a critical evaluation method for assessing the fire safety of polymeric materials used in lighting devices, electronic products, and household appliances. This study aims to systematically investigate the glow wire flammability performance of common engineering plastics, focusing on ignition temperature (GWIT), flammability index (GWFI), and combustion be...
Abstract Fire and flammability testing plays a critical role in ensuring the safety of electrical equipment and combustible materials, as small flames resulting from internal faults can trigger catastrophic fire hazards. The LISUN ZY-3 Needle Flame Test Apparatus is a specialized instrument designed to simulate such fault-induced small flames and evaluate ignition risks. This paper elaborates on t...
Abstract Conducted radio frequency (RF) immunity testing is a critical component of electromagnetic compatibility (EMC) compliance, ensuring electronic equipment operates reliably in RF-polluted environments. This paper focuses on the CDNE for Conducted RF Immunity test, with a specific analysis of the LISUN CDNE-M316 Coupling and Decoupling Network. The CDNE-M316, designed to meet CISPR 15:2018 a...
Abstract With the widespread application of DC-powered electronic and electrical equipment in fields such as industrial control, automotive electronics, and renewable energy systems, the stability and reliability of these devices under abnormal power supply conditions have become crucial. Voltage dips and short interruptions at the DC power input port are common electromagnetic disturbance scenari...
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