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...
Abstract With the diversification of lighting technologies, the accurate measurement of luminous performance has become crucial for quality control and standard compliance across lighting product categories. Lumen test equipment, as the core tool for evaluating light output and optical characteristics, plays an irreplaceable role in testing energy-saving lamps, fluorescent lamps, HID lamps, cold c...
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...
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