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Abstract In the R&D, production, and factory inspection of electronic and electrical products, lamps, electrical cabinets, and other equipment, the UL rain test is a key method to evaluate the physical performance and safety reliability of products under simulated rainy weather conditions. Traditional rain test equipment has problems such as low standardization, insufficient precision in test parameter control, and non-standard operating procedures, which easily lead to deviations in test results and affect the judgment of product compliance. This paper takes the LISUN JL-UL Water Spray Test Device as the core, and combined with its design features that comply with international standards such as UL, ANSI, and CSA, systematically expounds the complete process of “how to conduct UL rain test“, including key links such as pre-test preparation, equipment debugging, parameter setting, test execution, and result determination. At the same time, by analyzing the technical parameters and ...
Abstract In the production and quality control of transparent and translucent materials such as plastics, films, glass, and LCD panels, color consistency, haze, and light transmittance are core indicators for measuring product performance. Traditional testing equipment often suffers from limitations such as single function, complex operation, and insufficient data accuracy, making it difficult to meet the demand for one-stop measurement. This paper takes the LISUN HM-700 Haze Light Transmission Meter as the research object, and combines its technical parameters, functional characteristics, and application scenarios to conduct a detailed analysis of the core advantages of this equipment in the detection of transparent and translucent materials. By interpreting the equipment’s standard compliance, measurement accuracy, operational convenience, and scenario adaptability, this paper expounds its practical value in multiple industries, providing technical references for enterprises to impro...