Abstract Impedance characteristics are critical to evaluating the performance of electronic components such as ferroelectric crystals, piezoelectric ceramics, piezoelectric crystals, and ultrasonic transducers. The impedance analyzer circuit, as the core functional unit of an impedance analyzer, determines the accuracy, stability, and efficiency of impedance measurement. This paper takes the LISUN...
Abstract Goniometer light measurement serves as the cornerstone of accurate optical performance evaluation for solid-state lighting (SSL) products. With the 2025 release of ANSI/IES LM-79-24, the latest iteration of SSL photoelectric testing standards, manufacturers require advanced goniometric systems to meet updated regulatory demands while maintaining compatibility with prior benchmarks like LM...
Abstract: With the rapid development of electronic technology, the number of electronic devices is increasing daily, and their operating frequencies are becoming higher, leading to an increasingly complex electromagnetic environment. Electromagnetic interference (EMI) issues have become a critical factor affecting the reliability and safety of electronic equipment. Therefore, conducting strict Ele...
Abstract Salt spray corrosion is a major cause of material failure in marine environments, automotive industries, and industrial production fields. Accurately evaluating the salt spray resistance of materials and coatings is crucial for ensuring product durability and reliability. This paper takes the LISUN YWX/Q-010 Cyclic Corrosion Chamber as the research object, systematically expounding its wo...
Abstract Dust intrusion is a major threat to the reliability and service life of products in industries such as electronics, electrical engineering, and automotive manufacturing. The sand dust test chamber serves as a critical tool to simulate dusty environmental conditions, evaluate product dustproof performance, and verify compliance with industry standards. This paper focuses on the LISUN SC-01...
Abstract The flammability test for plastics is a fundamental assessment in material science and product safety, particularly for components used in electrical and electronic appliances. Among various testing methods, the glow-wire test stands out for its ability to simulate thermal stresses caused by overheated or glowing parts in equipment. This paper explores the glow-wire test as a physical the...
Abstract The advent of portable, high-accuracy spectrophotometers has transformed color quality control across diverse industries. This paper explores the technological advancements and applications of modern pocket spectrophotometers, with a detailed focus on the LISUN HSCD-860 model. By analyzing its innovative design, superior performance metrics, and comprehensive software ecosystem, this arti...
Abstract Ingress Protection (IP) testing, as defined by international standards such as IEC 60529, is critical for ensuring the reliability and safety of electrical and electronic products, particularly LED luminaires, in various environmental conditions. The water spray test chamber is a cornerstone apparatus within this testing regime, enabling authoritative certification bodies and quality cont...
Abstract Light illumination measurement is a critical technical process in fields such as lighting engineering, industrial production, and environmental monitoring, as it directly determines the rationality of light environment design and the quality of related products. Portable CCD spectroradiometers have become the core equipment for on-site light illumination measurement due to their advantage...
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