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Abstract In the field of electromagnetic compatibility (EMC), ensuring that electronic devices can withstand electrical fast transients (EFT) is a critical aspect of product testing. EFT testers are widely used to simulate real-world disturbances caused by switching transients in power lines, relay contacts, and industrial environments. This paper provides a comprehensive analysis of EFT testers, with a specific focus on the LISUN EFT61000-4 EFT Immunity Measurement system. The study examines its features, specifications, applications, and advantages in compliance testing. 1. Introduction With the increasing complexity of electronic circuits and their widespread applications, electromagnetic interference (EMI) has become a significant challenge. Electrical fast transient (EFT) events, which result from inductive loads such as relays and motors, can cause functional failures in electronic equipment. To assess the immunity of devices to such disturbances, EFT testers are employed in comp...
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Abstract Transformers are crucial components in electrical and electronic systems, playing a vital role in voltage regulation, signal transmission, and impedance matching. Ensuring their performance and reliability requires precise testing using advanced equipment. This article provides a comprehensive guide on How to Test a Transformer using the LISUN LS2789 Transformer Comprehensive Tester. It covers the principles, testing parameters, procedures, and advantages of using this advanced device. By following the structured testing methods outlined, engineers and technicians can efficiently assess transformer quality, ensuring compliance with industry standards. Introduction Transformers are widely used in power systems, electronic circuits, and industrial applications. They are responsible for transferring electrical energy between circuits through electromagnetic induction. To ensure their efficiency, safety, and longevity, transformers must undergo rigorous testing. The LISUN LS2789 T...
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Corrosion is one of the most significant challenges faced by materials exposed to harsh environments. Whether in industrial equipment, automotive parts, or consumer electronics, corrosion can compromise the integrity and performance of materials. To assess the corrosion resistance of various materials, manufacturers rely on the salt spray testing machine. This article explores the significance, functionality, and application of salt spray tests, focusing on the LISUN WX/Q-010 Salt Spray Test Chamber and its capabilities in simulating corrosive environments for material testing. Introduction to Salt Spray Testing Salt spray testing, also known as salt fog testing, is a laboratory test used to evaluate the corrosion resistance of materials by subjecting them to a controlled, saline environment. The test simulates the effects of salt-laden air on materials and can help predict their durability in real-world conditions such as coastal environments or industrial atmospheres. The salt spray ...
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Abstract Electrostatic discharge (ESD) can cause significant disruptions and damage to electronic equipment, making it essential to assess and fortify devices against such events. Electrostatic discharge test equipment plays a pivotal role in evaluating the robustness of electrical and electronic systems. This article explores the critical aspects of ESD testing, with a particular focus on the LISUN ESD61000-2 ESD Simulator Guns. We will discuss the equipment’s adherence to the IEC 61000-4-2 standard, technical specifications, practical applications, and the importance of ESD testing in ensuring product reliability. Introduction In today’s technology-driven world, electronic devices are omnipresent, from consumer gadgets to industrial machinery. However, these devices are susceptible to electrostatic discharges that can impair their functionality or cause permanent damage. To mitigate these risks, manufacturers rely on electrostatic discharge test equipment to assess and enhance their ...
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Abstract This paper explores the importance of the ball press test for resistance to heat (also known as the ball pressure test) in ensuring the safety and reliability of household and similar-use electrical plug and socket products. Given the rise in the variety of electrical products used in homes and workplaces, the risk of overheating and fire hazards due to poor material performance under heat stress has become a significant concern. To address these challenges, the ball press test is widely employed to evaluate the heat resistance of insulating materials used in these electrical components. This article discusses the principles of the ball press test, its application to household and similar-use plug and socket products, and the impact of results on product design and safety standards. Additionally, it includes experimental data obtained using the LISUN ZBP-T Ball Pressure Test Device. Introduction Electrical safety is paramount when it comes to household and similar-use plug and...
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The flammability of automotive materials is a critical concern when it comes to vehicle safety. In the context of car interiors, the materials used must meet stringent fire safety standards to prevent or minimize the risks of fire hazards during a crash or under other extreme conditions. The Flammability of Automotive Materials Tester plays a crucial role in assessing and ensuring that the materials used in automobiles are fire-resistant and safe. This article delves into the importance of testing the flammability of materials used in different types of vehicles—ranging from passenger cars to heavy-duty trucks—and explores how the LISUN ZRS-4H Car Interior Material Burning Tester helps meet global safety standards. Introduction to the Flammability Testing of Automotive Materials The automobile industry has made great strides in terms of safety, but one area that remains crucial is the fire safety of car interior materials. Interior components such as seats, dashboards, door panels, hea...
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Abstract In the modern world, the safety of electrical and electronic products, as well as household appliances, has become a critical concern due to the potential fire risks they pose. The evaluation of the flammability, ignition temperature, combustibility, and flame index of materials used in these products is essential to ensure consumer safety. One of the key methods used for testing the fire resistance of materials is the glow wire test, performed using glow wire equipment. This paper discusses the use of the LISUN ZRS-3H Glow-wire Test Apparatus, a leading glow wire test equipment, to assess the flammability and combustion properties of lighting devices, electronics, and household appliances. Detailed information on the testing procedures, data, and equipment specifications is provided. Introduction The widespread use of electrical products in lighting, electronics, and household appliances has raised significant concerns regarding their fire safety. Improperly designed material...
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