https://www.lisungroup.com/news/technology-news/evaluating-material-and-coating-corrosion-resistance-using-salt-spray-test-chamber.html
Posts
Abstract A surge voltage generator is a critical tool in evaluating the immunity of various devices to high-energy transient disturbances caused by natural lightning-induced surges or the switching of large capacitive or inductive loads. This article explores the principles and applications of surge voltage generators, highlighting the LISUN SG61000-5 Surge Generator as a benchmark solution for lightning surge immunity testing. The article provides detailed insights into the operational mechanisms, testing standards, and practical use cases of surge voltage generators, along with data tables for better comprehension. Introduction In modern electronics, ensuring the reliability and robustness of devices against electromagnetic disturbances is crucial. Among these disturbances, lightning-induced surges and switching transients pose significant challenges due to their high energy and short duration. A surge voltage generator, also known as a combination wave generator, current surge gener...
Abstract Impulse surge generators play a critical role in ensuring the safety and reliability of electronic and electrical systems. This article explores the LISUN SG61000-5 Surge Generator, detailing its applications, features, and specifications. Additionally, it provides insight into lightning surge testing procedures, including its significance in compliance with international standards such as IEC 61000-4-5. Tables and data are included to demonstrate its performance and versatility. Introduction With the increasing dependence on electronic systems, protecting devices from transient surges caused by lightning strikes or switching operations has become paramount. The impulse surge generator, a cornerstone in surge immunity testing, simulates these transient conditions. The LISUN SG61000-5 Surge Generator, specifically designed for EMC and EMI testing, ensures products meet stringent international safety standards. This article focuses on understanding the principles behind surge te...
Abstract The spectral analyzer is an essential tool in telecommunications, electronics, and signal processing. It is primarily used to investigate the frequency spectrum of electrical signals, identifying amplitude, frequency, and distortion across a broad range. This paper delves into the capabilities and applications of the LISUN SPA-3P6G Spectrum Analyzer, a state-of-the-art device designed for precision and reliability. The discussion includes a detailed explanation of its functions, specifications, and applications, complemented by data tables and technical insights. Introduction A spectral analyzer is crucial for diagnosing and analyzing signal integrity in electronic systems. By visualizing frequency distributions, engineers can pinpoint interference, optimize performance, and ensure compliance with technical standards. The LISUN SPA-3P6G Spectrum Analyzer stands out with its wide frequency range, high resolution, and robust performance. This paper explores the theoretical princ...
Introduction The sulfur dioxide corrosion chamber is a critical piece of equipment in the environmental testing domain. It assesses the resistance of materials and their protective coatings against sulfur dioxide (SO₂)-induced corrosion. This method is particularly important for industries such as automotive, electronics, construction, and coatings manufacturing, where components are exposed to corrosive environments. Among leading solutions, the LISUN SQ-010 Sulfur Dioxide Test Chamber stands out for its precision and adherence to international testing standards, such as ISO 6988 and GB/T 2423.33. This article explores the functionality, applications, and technical aspects of sulfur dioxide corrosion chambers, emphasizing the LISUN SQ-010 Sulfur Dioxide Test Chamber. It also includes tables and data to highlight its performance and benefits. Principles of Sulfur Dioxide Corrosion Testing Sulfur dioxide corrosion testing simulates the chemical interactions that occur when materials are...
Abstract Temperature testing is crucial for the evaluation and quality control of LED lamps, ensuring compliance with industry standards and enhancing performance. This paper focuses on the LISUN TMP-16 Multiplex Temperature Tester, a state-of-the-art instrument designed specifically for LED lamp temperature testing. The discussion includes the device’s technical specifications, applications, testing procedures, and sample data analysis. Introduction The growing adoption of LED technology across industries has elevated the need for precise and efficient temperature testing methods. Excessive temperature impacts LED lifespan, performance, and safety. The LISUN TMP-16 Multiplex Temperature Tester addresses these challenges by offering real-time, multi-point temperature monitoring. This study provides an in-depth exploration of the TMP-16’s features and its role in ensuring product reliability and industry compliance. Technical Overview of the LISUN TMP-16 Multiplex Temperature Tester Key...
Abstract The Xenon Arc Lamp Accelerated Aging Test Chamber, such as the LISUN XD-80LS Xenon Lamp Aging Test Chamber, is a state-of-the-art tool designed to simulate the full sunlight spectrum, including ultraviolet (UV), visible, and infrared (IR) radiation. This technology is critical for testing material durability under different environmental conditions, such as exposure to sunlight, heat, and moisture. This paper explores the working principle, applications, and performance benefits of the Xenon Arc Lamp Accelerated Aging Test Chamber, with a detailed focus on the LISUN XD-80LS. Relevant data tables and operational insights are included to highlight the chamber’s capabilities. 1. Introduction Modern industries require materials and products to endure various environmental conditions over their lifespans. Accelerated aging tests using xenon arc lamps provide a reliable way to predict product durability. The Xenon Arc Lamp Accelerated Aging Test Chamber recreates sunlight’s destruct...
Introduction In today’s increasingly demanding industrial landscape, testing the durability and performance of products under various climatic conditions is critical to ensuring product reliability and long-term functionality. One of the most effective ways to simulate environmental stress is through the use of temperature humidity test equipment, such as the LISUN GDJS-015B Temperature Humidity Chamber. This equipment allows manufacturers to replicate extreme conditions of temperature and humidity, which in turn helps in evaluating the materials’ heat resistance, cold endurance, dryness tolerance, and humidity resistance. These tests are vital for products in industries like CFL/LED lighting, electrical appliances, electronics, and materials, where performance must meet high standards, including those set by IES LM-80-08 for LED lighting. Thermal Chamber, Temperature Humidity Chamber, Climate Chamber Understanding Temperature Humidity Test Equipment Temperature humidity test equipment...
Abstract In the field of lighting design, glare is a significant factor influencing visual comfort and safety. The ability to measure and assess glare, especially in complex environments, is crucial for ensuring optimal lighting. This paper explores the use of the LISUN GTS-LS Glare Test System, which utilizes F24-70mm lenses and fish-eye lenses for glare measurements in both outdoor disability glare and indoor discomfort glare scenarios. The system’s software automatically identifies the background and the human eye’s field of view, determining the contribution of each light source to the overall glare. The system can complete the entire measurement, analysis, and report generation process in as fast as two seconds, providing a rapid and automated means of glare assessment in various lighting environments. Introduction Glare is a visual phenomenon that can significantly impact human vision and comfort, especially in lighting installations. In outdoor environments, disability glare can...
Abstract Surge testing, particularly in the context of lightning strikes and power-line surges, is a critical aspect of ensuring the reliability and durability of electrical and electronic equipment. According to the international standard IEC 61000-4-5, equipment must withstand surges caused by lightning or other transient over-voltage events. The surge immunity test is conducted to evaluate the equipment’s ability to protect itself from these harmful surges, and the 61000-4-5 surge tester plays a key role in this testing. This paper provides a comprehensive overview of the surge immunity testing process using the LISUN SG61000-5 Surge Generator, detailing its capabilities and applications in line with IEC 61000-4-5 requirements. The article will cover test configurations, methods, and data interpretation, providing insights into how surge testing ensures equipment safety and performance under real-world conditions. Introduction Electrical and electronic devices are susceptible to ele...
Abstract This paper discusses the evaluation of materials and their protective layers’ resistance to sulfur dioxide (SO2) corrosion using the SO2 Corrosion Test Chamber, specifically the LISUN SQ-010 Sulfur Dioxide Test Chamber. The focus is on understanding the effectiveness of various materials and coatings in environments exposed to SO2, simulating industrial or atmospheric conditions that can lead to material degradation. The article includes experimental procedures, data analysis, and results from using the LISUN SQ-010, providing insight into the performance of different materials under sulfur dioxide exposure. Introduction Sulfur dioxide (SO2) is a major atmospheric pollutant produced from industrial processes such as combustion and metal smelting. The presence of SO2 in the atmosphere can lead to the formation of sulfuric acid, which is highly corrosive to metals, plastics, and other materials. This corrosion is a significant concern in industries such as electronics, construct...
Introduction The ever-growing demand for electronic devices has led to an increased focus on ensuring the reliability and safety of their accessories, particularly chargers. As consumers rely on chargers to power their devices, manufacturers must ensure these chargers can withstand prolonged usage under various conditions. One of the most effective ways to test a charger’s longevity and functionality is through the use of a Charger Aging Test Rack, such as the LISUN SY65240T Charger Aging Test Rack (Constant Temperature). This test equipment is designed to simulate long-term charging conditions and evaluate the performance of chargers under consistent temperature environments. In this article, we will explore the importance of charger aging tests, the features and specifications of the LISUN SY65240T Charger Aging Test Rack (Constant Temperature), and how it helps in improving charger durability and safety. We will also include data from testing results to emphasize the relevance of th...
Introduction The Lamp Cap Temperature Rise Test System plays a critical role in ensuring the safe and reliable operation of lighting devices, specifically testing the working temperatures of lamp caps, burners, and other related components. Temperature rise tests are a key part of the safety and performance verification process for lamps, as excessive heat can lead to potential hazards such as electrical fires or failures in lighting products. This article will discuss the importance of these tests, the testing methodology, and the features of the LISUN TMP-L Lamp Cap Temperature Rise Test System designed to perform these crucial evaluations. We will also present a detailed analysis of test results and performance data. The Importance of Temperature Rise Testing The working temperature of a lamp cap and burner directly affects the durability and functionality of lighting products. Overheating may lead to insulation breakdown, reduced efficiency, and even fire hazards. Temperature rise ...
Introduction In the field of electrical safety testing, the tracking resistance of insulation materials is an important criterion for evaluating their performance under high voltage and environmental stress. The phenomenon of tracking refers to the gradual deterioration of an insulating material’s surface due to leakage current, resulting in damage and potential failure. This process is of particular concern for materials used in electrical components, as it can lead to electrical faults, short circuits, and safety hazards. To address this concern, tracking current tests are employed, where specific test equipment, such as the Tracking Current Test Chamber for Insulation Materials, is used to simulate conditions that may lead to leakage tracking and assess the material’s resistance to such stress. The LISUN TTC-1 Tracking Test Chamber is one such apparatus designed to perform leakage tracking tests in accordance with industry standards. This article explores the significance of trackin...
Radio Frequency (RF) current probes play a crucial role in Electromagnetic Compatibility (EMC) testing. Their primary function is to measure RF currents in a circuit without direct contact with the tested device or components. These probes are an essential part of EMC measurement systems, ensuring that devices meet electromagnetic emission and susceptibility standards. This article delves into the technical aspects of RF current probes, their applications in EMC testing, and how the LISUN VOL-CP Radio Frequency Current Probe enhances the testing process. 1. Introduction to RF Current Probes for EMC Testing Electromagnetic Compatibility (EMC) testing is a critical part of ensuring that electronic devices do not emit electromagnetic interference (EMI) that could disrupt other devices or communications. EMC testing also verifies that a device is resilient to external RF interference. RF current probes are designed to detect and measure RF currents flowing through a conductor, which is ess...