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Abstract Energy Dispersive X-ray Fluorescence (EDXRF) spectroscopy is a widely used non-destructive analytical technique for the detection and quantification of elements in various materials. This paper explores the application of EDXRF for gold metal testing, focusing on the LISUN EDX-2 RoHS Testing Equipment, a gold metal tester used for precise element analysis and thickness gauging. We examine the principles of EDXRF, its advantages in gold purity analysis, and the capabilities of the LISUN EDX-2 system for gold testing. The paper includes a detailed breakdown of the instrument’s specifications and its performance for testing gold samples. 1. Introduction Gold metal testing is critical in various industries, including jewelry manufacturing, mining, and recycling, to ensure the purity and quality of gold products. Traditionally, gold testing has involved destructive methods such as fire assay or wet chemical analysis. However, modern technological advancements, particularly in X-ray...
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Abstract The ASTM D5276 drop test is a widely recognized standard for evaluating the durability of packaging materials under free-fall conditions. This paper presents a comprehensive review of the LISUN DT-60KG Automatic Double-Arms Drop Test Machine, designed to meet the ASTM D5276 drop test requirements. The study outlines the machine’s specifications, testing procedures, and performance data to demonstrate its effectiveness in ensuring the reliability of packaging during transportation and handling. 1. Introduction In modern logistics and transportation, packaging integrity is critical to protecting goods from damage. Various standards define packaging durability testing methods, among which ASTM D5276 drop test is one of the most widely used. This test simulates the free-fall impact experienced by packages during handling and transportation. The LISUN DT-60KG Automatic Double-Arms Drop Test Machine is a highly precise testing instrument developed for performing ASTM D5276 drop test...
Abstract Flame retardancy testing is crucial for ensuring the safety of electrical and electronic products. The Glow Wire Test Procedure is a widely recognized method used to evaluate the fire resistance of insulating materials. This paper provides an in-depth analysis of the Glow Wire Test Procedure, with a specific focus on the LISUN ZRS-3H Glow-wire Test Apparatus. The study includes a detailed examination of test principles, methodologies, influencing factors, and experimental data. 1. Introduction With the increasing reliance on electronic devices, the safety of electrical components has become a major concern. Many fire hazards originate from insulation failures or material overheating. Regulatory standards such as IEC 60695-2-10 to 60695-2-13 define the Glow Wire Test Procedure, ensuring that materials used in electrical products meet flame retardancy requirements. This paper will focus on the LISUN ZRS-3H Glow-wire Test Apparatus, a leading product in the field, detailing its f...
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Abstract: The IPX4 waterproof test plays a critical role in determining the water resistance of electronic devices, electrical components, and other products used in various industries. This paper explores the IPX4 waterproof testing method using the LISUN JL-X IPX4 Waterproof Test Equipment, with a specific focus on adjustable swing angles, sample rotation, and the key features of the test chamber. The paper will detail the setup, including the water spraying mechanism with adjustable swing angles of 120° for IPX3 and 180° for IPX4, and the test parameters such as the sample turntable diameter, rotational speed, and control via PLC. Additionally, the paper presents relevant data and findings on the effectiveness and precision of these tests for evaluating water resistance at different IP ratings. Introduction Water resistance is a fundamental property for many products, especially those exposed to environmental elements such as rain, moisture, or water splashes. The International Prot...
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Introduction Surge immunity testing is a critical evaluation process in the development of electrical and electronic devices. It ensures the reliability and durability of devices against transient overvoltages caused by phenomena like lightning strikes or switching events. A surge testing machine, such as the LISUN SG61000-5 Surge Generator, is a specialized tool designed to simulate such conditions under controlled laboratory environments. This article explores the importance, methodology, and application of surge testing machines, emphasizing the LISUN SG61000-5 Surge Generator. What is a Surge Testing Machine? A surge testing machine is a device used to generate high-energy transient voltage pulses. These pulses mimic the effects of electrical surges, allowing manufacturers to assess the performance of their products under extreme conditions. The LISUN SG61000-5 Surge Generator is a state-of-the-art instrument compliant with IEC 61000-4-5 standards, designed for testing surge immuni...
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Introduction The vertical flame test is an essential procedure for evaluating the flammability of materials, especially in electrical equipment and plastic parts. This test assesses the ignition characteristics, burn rate, and afterflame behavior of materials when exposed to a controlled flame source. For electrical safety, it is crucial to ensure that components used in electrical appliances, motors, and insulation materials meet safety standards by withstanding specific flame exposure conditions. The LISUN HVR-LS Horizontal Vertical Flame Tester is a reliable tool in conducting these tests, particularly for determining the flammability of materials used in electrical equipment and plastic components. This article will discuss the applications, testing standards, and significance of the vertical flame test and how the LISUN HVR-LS Horizontal Vertical Flame Tester meets these needs. 1. The Importance of Vertical Flame Testing Flammability testing is vital for ensuring the safety of ele...
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Introduction Corrosion is one of the primary concerns in the durability and longevity of industrial and consumer products. To mitigate the effects of corrosion, rigorous testing methodologies are employed. Among them, the salt spray corrosion tester plays a crucial role in evaluating the corrosion resistance of materials. This article delves into the details of the salt spray corrosion tester, focusing on the LISUN YWX/Q-010 Salt Spray Test Chamber. This advanced equipment is widely used to simulate corrosive conditions for various materials and coatings. 1. Overview of Salt Spray Corrosion Testers A salt spray corrosion tester is designed to create a controlled environment that simulates saline and corrosive atmospheres. This allows manufacturers to determine how well materials can withstand prolonged exposure to such conditions. The primary components of a typical tester include: • Chamber Body: A sealed enclosure to maintain a controlled environment. • Brine Solution System: Generat...