Environmental Chamber | Climatic Chamber | Thermal Chamber | Salt Fog Chamber - LISUN

The demand for reliable and energy-efficient LED lighting products has surged in recent years, emphasizing the importance of rigorous testing standards. The LED Lumen Maintenance and Aging Life Test System plays a critical role in evaluating the long-term performance of LED products. This article delves into the principles, methodologies, and significance of LED lumen maintenance and aging tests, with a focus on the LISUN LEDLM-84PL LED Optical Aging Test Instrument. Introduction to LED Lumen Maintenance and Aging Life Test The lumen maintenance test measures how well an LED maintains its light output over time. This is critical in predicting the lifespan and efficiency of LED products. Standards such as IES LM-80 and TM-21 provide guidelines for conducting these tests, requiring advanced systems like the LISUN LEDLM-84PL LED Optical Aging Test Instrument for accuracy and compliance. The aging life test evaluates the durability of LEDs under accelerated environmental conditions, includ...

Abstract: This paper focuses on the LISN (Line Impedance Stabilization Network) coupling/decoupling network used in radiation testing, with a particular emphasis on its application in the LISUN EMI – 9KB EMI Test Receiver system. It comprehensively analyzes the working principle, structure, performance characteristics, and practical application scenarios of the LISN coupling/decoupling network. Through detailed theoretical analysis and experimental data, the importance and effectiveness of this network in electromagnetic interference (EMI) radiation testing are demonstrated, providing valuable reference for relevant research and engineering applications. 1. Introduction In the field of electromagnetic compatibility (EMC), accurately measuring and evaluating electromagnetic interference is of crucial significance. The LISUN EMI – 9KB EMI Test Receiver is an important device for conducting EMI radiation conduction or conducted emissions testing. Among its components, the LISN coupling/de...

Abstract This article explores the applications and principles of waterproof rain test chambers, focusing on their use in evaluating enclosure protection grades under various standards such as IPX3, IPX4, and higher. Using the LISUN JL-X IP Waterproof Test Equipment as a reference, the article delves into the operational mechanisms, technical specifications, and practical benefits of these chambers. Detailed tables and diagrams illustrate the key performance indicators, ensuring a thorough understanding of their utility in industrial applications. Introduction Enclosures for electronic devices and electrical equipment often require robust protection against environmental factors, including water ingress. The waterproof rain test chamber is a critical tool for ensuring compliance with international protection standards such as IEC 60529. This article examines the design, functionality, and application of the LISUN JL-X IP Waterproof Test Equipments in conducting rigorous waterproof test...

Abstract The UL Water Spray Test Device is pivotal for evaluating the water resistance of electronic and electrical products, lighting fixtures, electrical cabinets, and other components. This paper focuses on the operational principles, standards compliance, and applications of the LISUN JL-UL UL Water Spray Test Device. Detailed specifications, test procedures, and sample results are discussed, supported by relevant data tables and diagrams. 1. Introduction Water resistance is a critical attribute for products used in environments where exposure to rain or water is inevitable. The UL Water Spray Test Device ensures that products meet stringent safety and performance standards, protecting against potential failures caused by water ingress. This device simulates rain conditions as per UL 1598 and other international standards. The LISUN JL-UL UL Water Spray Test Device is specifically designed to comply with UL standards, ensuring precise and repeatable testing. This paper explores its...

Abstract: This paper focuses on the application of the LISUN EDX – 3 Portable X – ray Spectrometer, an advanced metal tester, in the detection of heavy metals in soil. With the increasing concern about soil pollution and its impact on the ecological environment and human health, accurate and efficient heavy metal detection in soil is of great significance. The LISUN EDX – 3 metal tester offers several advantages such as rapid analysis, high precision, non – destructive testing, and a wide range of elemental detection capabilities. Through detailed introduction of the instrument’s working principle, technical specifications, and practical application examples, this paper demonstrates its effectiveness and reliability in soil heavy metal detection, providing valuable reference for environmental monitoring and soil quality assessment. 1. Introduction Soil is a vital component of the Earth’s ecosystem, serving as a medium for plant growth, a reservoir for water and nutrients, and a habitat...

Abstract: This paper focuses on the corrosion resistance testing method of metal deposits and chemical treatment layers of light industrial products based on the ASTM B117 standard. The significance of corrosion resistance testing for light industrial products is introduced, and the LISUN YWX/Q-010 Salt Spray Test Chamber, a device conforming to ASTM B117, is detailed. The working principle, standard specifications, operation process, and application in evaluating the corrosion resistance of light industrial products of the test chamber are analyzed. Through theoretical exploration and practical case studies, this paper provides a comprehensive understanding of the ASTM B117-based testing method, aiming to help relevant industries better assess and improve the corrosion resistance of light industrial products. Salt Spray Test | Salt Spary Chamber YWXQ 010 AL4 1. Introduction In the field of light industrial products, the corrosion resistance of metal deposits and chemical treatment lay...

Abstract: This paper focuses on the long – focus crossed asymmetric CT spectroscopic system, with a particular emphasis on the crucial role of illuminance. By integrating the capabilities of the LISUN LMS – 6000 Portable CCD Spectroradiometer, we explore how illuminance influences the performance and applications of this spectroscopic system. Through theoretical analysis, experimental data, and in – depth discussion, the significance of illuminance in improving the accuracy, reliability, and versatility of the system is demonstrated. The research results provide valuable insights and practical guidance for the further development and application of the long – focus crossed asymmetric CT spectroscopic system. 1. Introduction The long – focus crossed asymmetric CT spectroscopic system has emerged as a powerful tool in various fields such as material analysis, environmental monitoring, and biomedical research. Illuminance, defined as the amount of light incident on a surface per unit area...

Introduction to Impulse Magnetic Field Immunity Testing In the modern era of increasingly complex electronic systems, ensuring the immunity of devices to electromagnetic disturbances has become critical. One of the most challenging forms of electromagnetic interference (EMI) is the impulse magnetic field, which can cause severe malfunction in sensitive electronic equipment. To address this challenge, specialized testing instruments like the LISUN IMF61000-9 Impulse Magnetic Field Immunity Tester have been developed to simulate these conditions and test the device’s immunity against such disturbances. This article explores the characteristics and requirements of Impulse Magnetic Field Immunity Test (IMF) and provides an in-depth look at the LISUN IMF61000-9 Impulse Magnetic Field Immunity Tester, specifically designed to meet the rigorous standards of such tests. Understanding Impulse Magnetic Field Immunity Test (IMF) The Impulse Magnetic Field Immunity Test is designed to simulate the...

The IK Vertical Hammer Impact Tester plays a critical role in evaluating the durability and resilience of electrical and electronic equipment subjected to mechanical impacts, as per international standards such as IEC 60068-2-75. The LISUN IK07-10VT model, designed for vertical impact testing, is a robust piece of equipment widely used in product testing to simulate real-world mechanical stresses and ensure product safety and reliability. In this article, we will explore the features, working principles, applications, and test results of the LISUN IK07-10VT IK Vertical Hammer Impact Tester, providing in-depth insights into its significance in industrial testing environments. 1. Introduction to the IK Vertical Hammer Impact Tester The IK Vertical Hammer Impact Tester is a specialized instrument used to simulate impacts that a product might experience during transportation, handling, or use. It is particularly critical for testing the mechanical resistance of electrical products to direc...

Abstract In electrical and electronic industries, ensuring the fire safety of materials used in products is a critical part of product testing and certification. The UL 94 Combustion (Fire) Tests for Plastics is a widely accepted standard to evaluate the flammability properties of plastic materials used in electrical appliances, equipment, and their components. This paper discusses the application of the UL 94 tests, specifically focusing on horizontal and vertical flammability tests for electrical products, plastic components, and materials, using the LISUN HVR-LS Horizontal Vertical Flame Tester. The article explores the test methods, the significance of the results, and how the LISUN HVR-LS tester ensures compliance with safety standards. Relevant tables, data, and images are included to illustrate the testing process and results. 1. Introduction The safety of electrical equipment and appliances relies heavily on the materials used in their construction, particularly the plastic com...

Abstract This paper explores the application of the LISUN SC-015 Dustproof Testing Machine in assessing the physical and performance characteristics of electronic and electrical products, luminaires, electrical cabinets, electrical components, automobiles, motorcycles, and related parts under simulated dusty environmental conditions. By conducting tests for IP5X and IP6X dustproof standards, manufacturers can evaluate the quality, identify potential areas for improvement, and ensure compliance with regulatory and market requirements. Detailed test methods, results, and their implications are discussed, supported by relevant tables and data. Introduction Dust ingress poses a significant challenge to the durability and functionality of various products, especially in industries such as electronics, automotive, and lighting. To address this challenge, the LISUN SC-015 Dustproof Testing Machine is designed to simulate dusty climatic conditions, enabling comprehensive testing of a product’s...

Introduction Haze and turbidity are critical parameters in evaluating the optical clarity and quality of various materials, including glass, plastic, and liquids. These parameters are particularly significant in industries like automotive, construction, packaging, and pharmaceuticals, where transparency and consistency are vital for functionality and aesthetics. This article explores the concepts of haze and turbidity, their measurement techniques, and the advantages of using the LISUN HM-120 Haze Meter/Turbidity Meter for accurate evaluations. What Are Haze and Turbidity? Haze refers to the scattering of light caused by imperfections or particles within a transparent or translucent material. It reduces the sharpness of images viewed through the material, affecting its clarity. Haze measurement is essential for products like automotive windshields, LCD screens, and optical films. Turbidity, on the other hand, measures the cloudiness or haziness of a liquid caused by suspended particles...