Abstract:With the acceleration of global industrialization, the ability of electronic, automotive, and lighting equipment to withstand extreme climatic conditions has become a core measure of product quality. The IEC 60529:2013 standard, globally recognized as the benchmark for evaluating Ingress Protection (IP Code) ratings, strictly defines the test conditions for IPX5 (water jets) and IPX6 (pow...
Abstract Salt spray corrosion is one of the main environmental factors leading to the failure of metal materials and various industrial products. The global economic loss caused by salt spray corrosion reaches hundreds of billions of US dollars every year. As a core testing equipment for simulating salt spray corrosion environments, the salt fog test machine can quickly evaluate the corrosion resi...
Abstract As an efficient and accurate element analysis equipment, the metal XRF analyzer plays a crucial role in industrial testing, environmental monitoring and other fields relying on its unique working principle. Taking the LISUN EDX-2A energy dispersive X-ray fluorescence spectrometer as the research object, this paper elaborates in detail the core principle of the metal XRF analyzer for deter...
Abstract How to perform a leakage current test? This is a core technical question that must be answered when assessing the safety performance of various electrical products such as household appliances, lighting equipment, and medical instruments. Leakage current testing, or touch current testing, aims to quantitatively evaluate the current intensity that could potentially flow through a human bod...
Abstract What does an RF current probe measure? This is a fundamental question concerning a core technique in Electromagnetic Compatibility (EMC) testing. An RF current probe is a non-contact sensor specifically designed to measure radio-frequency interference currents, particularly common-mode interference currents, flowing in wires or cables, typically within the frequency range of 9 kHz to 300 ...
Abstract The selection of thermocouple type directly impacts the accuracy, reliability, and cost-effectiveness of temperature measurement in industrial applications. Among the many standardized types, Type K and Type E thermocouples are the most widely used due to their excellent overall performance, yet they exhibit significant differences in material composition, output characteristics, and suit...
Abstract This paper systematically elucidates the technical principles and standardized methodologies for the IPX3 and IPX4 water ingress testing, which are critical assessments within the ingress protection (IP) rating system for electronic enclosures. A detailed interpretation of the stringent requirements stipulated in the international standard IEC 60529 and its national counterpart, GB/T 4208...
Abstract In the process of industrial product R&D, production quality inspection, and compliance certification, the environmental adaptability and reliability of materials and products are key factors determining their market competitiveness. As a core environmental simulation tool, the climate test chamber can accurately reproduce multiple climatic scenarios such as “low-temperature res...
Abstract As a new generation of solid-state lighting sources, LED quality directly determines lighting effect, energy efficiency, and service life. Opto-electro-color parameters are the core indicators for measuring LED quality. Lumen testers, as key equipment for detecting LED opto-electro-color parameters, play an irreplaceable role in quality control. This paper takes the LISUN LPCE-2(LMS-9000)...
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