Integrating Sphere | Goniophotometer | Surge Generator | ESD Simulator - LISUN

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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 ...