Integrating Sphere | Goniophotometer | Surge Generator | ESD Simulator - LISUN

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...

Introduction In the field of electromagnetic interference (EMI) and electromagnetic compatibility (EMC) testing, antennas play a crucial role in measuring and analyzing electromagnetic fields. The triple-loop antenna is a specialized type of antenna designed for specific applications in these areas. The LISUN VVLA-30M Three Loop Antenna is a notable example of this technology, providing an efficient solution for both radiated and conducted EMI testing. This article explores the principles, applications, and performance characteristics of the triple-loop antenna, with a focus on the LISUN VVLA-30M model. What is a Triple-Loop Antenna? A triple-loop antenna is a type of loop antenna that consists of three interconnected loops arranged in a specific geometric configuration. The antenna’s design allows it to be sensitive to electromagnetic fields over a broad range of frequencies, making it ideal for testing various devices in EMI and EMC environments. The three loops in the antenna are ty...

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Abstract Electrostatic Discharge (ESD) poses a significant threat to sensitive electrical and electronic equipment, as unexpected discharges can lead to malfunction or irreversible damage. Electrostatic discharge test equipment, like the LISUN ESD61000-2 ESD Simulator Gun, is essential for evaluating the ESD resilience of devices by simulating real-world discharge events. With the ability to generate electrostatic voltages as high as 30 kV, the LISUN ESD61000-2 meets and exceeds the stringent requirements of the highest ESD immunity level (level 4). This paper discusses the technical aspects of ESD testing, the importance of simulating high-level discharges, and presents data illustrating the simulator’s efficacy in maintaining testing comparability and repeatability. ESD61000-2_Electrostatic Discharge Simulator Introduction to Electrostatic Discharge Testing Electrostatic discharge occurs when there is a sudden flow of electricity between two objects with different electrical potentia...

Introduction In the field of electrical safety testing, one of the most critical procedures for ensuring the safety and reliability of household appliances is the household appliances electrical safety withstand voltage test. This test is designed to evaluate the ability of electrical products to withstand high-voltage stress without breaking down, preventing electric shocks or fire hazards when exposed to abnormal voltage conditions. The LISUN WB2671B AC/DC Withstand Voltage Tester is a state-of-the-art device used for this crucial safety assessment, capable of testing both AC and DC voltage withstand capabilities of various household appliances. This article will explore the significance of this test, the features of the LISUN WB2671B, and its application in enhancing the safety of household appliances. Importance of Withstand Voltage Testing for Household Appliances Household appliances, including washing machines, refrigerators, electric stoves, and other electrical devices, must m...

Introduction to Leakage Current Testing Leakage current is an unwanted current that flows through an electrical system when there is an unintended conductive path between the live part of the system and earth or any other conductive part. Leakage current testing is essential in ensuring the safety of electrical and electronic devices by identifying potentially hazardous current paths that can lead to electric shock or fire hazards. The primary objective of using a Leakage Current Tester is to evaluate the electrical safety of products, particularly in the context of medical devices, household appliances, and other electrical equipment. The LISUN WB2675D Leakage Current Tester is a versatile and precise device designed to measure leakage currents in electrical systems. This paper provides an in-depth analysis of the LISUN WB2675D Leakage Current Tester, its operational principles, key features, applications, and safety standards, along with practical test examples. Working Principle of ...

Abstract Insulation resistance testing plays a crucial role in determining the safety and operational efficiency of electrical equipment. An essential tool for this process is the Insulation Resistance Tester, which helps detect potential insulation breakdowns, preventing equipment failures and ensuring compliance with industry standards. The LISUN WB2681A Insulation Resistance Tester is a state-of-the-art device that offers precise testing capabilities, making it a preferred choice for electrical safety testing. This paper explores the technical aspects, functionalities, applications, and benefits of the LISUN WB2681A Insulation Resistance Tester, highlighting its role in maintaining the safety of electrical systems. 1. Introduction The Insulation Resistance Tester is an essential instrument used in electrical safety testing to measure the insulation resistance of electrical equipment. The primary purpose of this test is to ensure that the electrical insulation materials used in elect...

Introduction The horizontal needle flame test machine plays a crucial role in assessing the flammability of materials used in various electrical and electronic applications. This testing method simulates a flame exposure that materials might encounter in real-world conditions, ensuring that they meet safety standards and regulations. The LISUN ZY-3 Needle Flame Test instrument is a state-of-the-art device designed for conducting this essential flammability test, complying with international standards such as IEC 60695-11-5. This paper will provide a comprehensive overview of the horizontal needle flame test machine, the LISUN ZY-3’s specifications, its applications, and the significance of the needle flame test in enhancing product safety. 1. Overview of the Horizontal Needle Flame Test The horizontal needle flame test is a standardized method used to evaluate the flammability of materials, particularly in the context of electrical equipment. During the test, a specified flame is appli...

Abstract The increasing focus on vehicle safety and environmental compliance has made the Automotive Interior Parts Horizontal Burning Test a critical aspect of automotive design and manufacturing. This article explores the significance of this test, the performance characteristics of the LISUN ZRS-4H Car Interior Material Burning Tester, and the implications for automotive manufacturers. Detailed discussions will include testing standards, methodologies, and key data to illustrate the effectiveness of the LISUN ZRS-4H in assessing the flammability of automotive interior materials. Introduction As automobiles become more sophisticated, the materials used in their interiors must meet stringent safety and environmental standards. The Automotive Interior Parts Horizontal Burning Test evaluates the flammability of materials used in car interiors, helping manufacturers ensure compliance with safety regulations. The LISUN ZRS-4H Car Interior Material Burning Tester is designed specifically f...

Abstract This paper focuses on the ZRS Glow Wire Tester, specifically the LISUN ZRS-3H Glow-wire Test Apparatus, analyzing its application in flame retardant testing within quality supervision sectors and enterprises. Flame retardant properties are essential in ensuring the safety and compliance of various materials, especially in the electronics, electrical, and manufacturing industries. The ZRS Glow Wire Tester plays a critical role in assessing the ignition risk of materials under thermal stress, helping organizations align with safety standards such as IEC 60695-2-10. This study explores the testing processes, advantages, and data gathered from ZRS Glow Wire testing, providing insight into how this equipment aids in quality and safety assurance. 1. Introduction to ZRS Glow Wire Tester The ZRS Glow Wire Tester, specifically the LISUN ZRS-3H model, is designed to evaluate flame retardancy by subjecting materials to high-temperature thermal stress. This method simulates potential fire...

Abstract The Ball Pressure Test for IEC 60695-10-2 is essential for evaluating heat resistance in electrical products, specifically focusing on components such as plugs and sockets used in household applications. This test ensures that these products can withstand high temperatures without deformation, maintaining functionality and safety standards. This paper outlines the Ball Pressure Test methodology, focusing on its application in testing plugs and sockets, and highlights the specifications and advantages of the LISUN ZBP-T Ball Pressure Test Device. 1. Introduction Household and similar use plug and socket products are exposed to various environmental and operational stresses. Among these stresses, elevated temperature poses a significant risk, as it can lead to material deformation, impairing the product’s safety and functionality. To ensure that these products meet international safety requirements, the Ball Pressure Test for IEC 60695-10-2 is widely utilized. This test assesses...

Abstract The salt spray corrosion test, an accelerated corrosion testing method, is extensively used to assess the corrosion resistance of various materials and coatings. This study explores the principles, methodology, and applications of the salt spray test, specifically using the LISUN YWX/Q-010 Salt Spray Test Chamber. By simulating a controlled, corrosive environment, this test chamber allows for precise and reliable corrosion testing in industries such as automotive, electronics, and construction materials. This article also presents a comprehensive analysis of data collected from various test samples, highlighting critical parameters and providing insights into the effectiveness and limitations of salt spray testing. 1. Introduction The salt spray corrosion test is a widely employed method to predict and understand the corrosion behavior of materials and coatings in a controlled, accelerated environment. It involves subjecting samples to a fine mist of salt solution, which emula...