Posts

https://www.lisungroup.com/news/technology-news/elemental-analysis-of-gold-samples-using-the-lisun-edx-2a-rohs-testing-equipment.html
Image
Abstract This paper presents a comprehensive analysis of the performance characteristics of bulb lights, PAR lamps, and LED tubes through the LISUN LSG-6000 LM-79 Moving Detector Goniophotometer (Mirror Type C). Using the goniophotometer’s precise angular light distribution and photometric analysis capabilities, we evaluate these lighting products under LM-79 standards. Results highlight variations in luminous intensity, light distribution patterns, and color uniformity, providing insights into the strengths and limitations of each product type in specific applications. Introduction With the increasing need for energy-efficient and application-specific lighting solutions, the goniophotometer has become a pivotal instrument for evaluating lighting quality. The LISUN LSG-6000 LM-79 Moving Detector Goniophotometer (Mirror Type C) is particularly effective in providing accurate measurements of luminous flux, intensity, and distribution. This study uses the LSG-6000 to examine bulb lights, ...
Image
Introduction The rapid evolution of lighting systems, especially with the advent of LEDs, has raised concerns about the photobiological safety of these light sources. IEC TR 62471-2 (2009) is a critical guideline addressing the non-laser optical radiation safety, primarily focusing on the hazards these systems pose to human health, especially the eyes and skin. The standard is widely applicable to assessing non-laser light sources like LEDs and UV radiation in conventional lighting. This article will delve into the application of the blue light tester in evaluating the photobiological safety of lighting systems, with a particular focus on LISUN EN62471-C Optical Radiation Safety Test. Understanding IEC TR 62471-2: Photobiological Hazards IEC TR 62471-2:2009 provides manufacturing guidelines to mitigate the hazards of optical radiation emitted by non-laser light sources. The standard evaluates exposure risks to the eyes and skin, considering factors such as wavelength, exposure time, a...
Image
Abstract The UL 94 flammability test is crucial in assessing the flammability characteristics of materials used in electrical and electronic devices. This test is particularly important in identifying the risk of small flame ignition due to component failure under fault conditions. One of the key apparatuses employed in such testing is the LISUN ZY-3 Needle Flame Tester. This article explores the application of the needle flame test, its method, evaluation criteria, and the importance of testing in ensuring the safety and compliance of electrical and electronic devices. Furthermore, we provide detailed data and analysis on how materials respond to these flame tests, presenting crucial insights for manufacturers and engineers. Introduction Fire safety is a paramount concern in the development and use of electrical and electronic equipment. The UL 94 flammability test plays a significant role in evaluating the ability of materials to withstand ignition and limit the spread of fire. The L...
Image
Introduction The importance of environmental testing has grown exponentially as industries seek to ensure the durability and reliability of their products. One of the most commonly used equipment for such testing is the temperature humidity test chamber, which replicates various climatic conditions to determine how materials and products perform under stress. Among these, the LISUN GDJS-015B Temperature Humidity Chamber, also known as a thermal chamber, stands out for its versatility in testing a wide range of products under extreme temperature and humidity conditions. This article delves into the functionality of the LISUN GDJS-015B temperature humidity test chamber and its application in simulating different climatic environments, including high and low temperature, as well as humidity fluctuations. The importance of these tests for different industries, from electronics to automotive parts, will also be explored in detail. The Functionality of the LISUN GDJS-015B Temperature Humidit...
Image
Introduction Electrostatic discharge (ESD) is a critical factor in the design and testing of electronic equipment. The ESD test gun, a vital tool in the field of electromagnetic compatibility (EMC), simulates electrostatic discharges, helping engineers evaluate the resilience of devices against ESD-related damage. Among the leading products in this category is the LISUN ESD61000-2 ESD Simulator Gun, which adheres to the IEC 61000-4-2 standard. This article explores the features, applications, and performance of the ESD test gun, focusing on the LISUN ESD61000-2. The Importance of ESD Testing Electronic devices are prone to electrostatic discharges, which can occur during human handling, environmental interactions, or contact with other devices. ESD testing is crucial for ensuring that devices can withstand these discharges without suffering permanent damage or malfunctions. The ESD test gun is a primary instrument used to replicate these discharges in a controlled environment. Key Feat...
Image
Introduction Electromagnetic Interference (EMI) is a significant concern for the performance and reliability of electronic devices. EMI measurements are crucial to ensuring that devices comply with international standards for emissions and electromagnetic compatibility (EMC). This article delves into the role of the LISUN EMI-9KB Test Receiver, a comprehensive solution for conducting EMI measurements from 9kHz to 300MHz, in various applications like lighting systems, household appliances, and electric tools. We will explore its functionality, testing processes, and some relevant technical data, providing insight into its key role in addressing EMI challenges. EMI and Its Importance Electromagnetic interference occurs when electromagnetic waves from a source disrupt the normal operation of electronic devices. EMI can originate from internal components or external sources, affecting a device’s functionality, communication, and even safety. Therefore, regulatory standards such as CISPR an...