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

Abstract The needle-flame tester is a critical instrument in assessing the flammability of materials used in electrical and electronic equipment. By simulating small flame exposure, it evaluates the ignition risk under fault conditions. This paper delves into the needle-flame test method, emphasizing the LISUN ZY-3 Needle Flame Test apparatus, and discusses its applications, technical specifications, and compliance with international standards. 1. Introduction Fire hazards in electrical and electronic equipment pose significant risks to safety and property. To mitigate these risks, materials used in such equipment must undergo rigorous flammability testing. The needle-flame tester is designed to simulate the effect of small flames on materials, assessing their ignition resistance and self-extinguishing capabilities. 2. Needle-Flame Test Methodology The needle-flame test, as outlined in IEC 60695-11-5, involves exposing a test specimen to a standardized flame produced by a needle burner...

Abstract: In modern logistics, ensuring the safety of products during transportation and handling is crucial. One of the significant concerns is how products react to the impact of drops, which can lead to damage during loading, unloading, and transit. This paper explores the use of drop test machines, particularly the LISUN DT-60KG Automatic Double-Arms Drop Test Machine, to simulate and measure the effects of such impacts. By analyzing packaging materials and designs, this paper demonstrates the importance of identifying packaging impact strength and the role of drop test machines in optimizing packaging strategies. Key performance data is presented through various tests conducted using the LISUN DT-60KG, which helps recognize weaknesses in packaging design and improve packaging durability for safer transportation. Keywords: Drop test machine, LISUN DT-60KG, packaging impact, packaging design, transportation, handling, shock intensity, drop test, simulation. DT-60KG Automatic Double ...

In the rapidly evolving world of scientific measurement technology, handheld spectrometers have gained significant attention for their portability, efficiency, and versatile applications. One such advanced tool is the LISUN LMS-6000 Portable CCD Spectroradiometer, a device designed for precise spectroradiometric measurements in the field. This article delves into the features, specifications, advantages, and real-world applications of the handheld spectrometer, with a special focus on the LISUN LMS-6000 model. Introduction to Handheld Spectrometers A spectrometer is a scientific instrument used to measure properties of light over a specific portion of the electromagnetic spectrum, typically to identify materials, chemical compositions, or the intensity of different wavelengths. Handheld spectrometers, as the name suggests, are portable versions of these devices, making them essential tools for field measurements and situations where space and mobility are limited. Handheld spectrometer...

In today’s world, the precise measurement of lumens is crucial in determining the efficiency and effectiveness of lighting systems. With the rise of LED technology and the increasing demand for energy-efficient lighting solutions, it is vital to have accurate and reliable methods to assess luminous flux. One of the most advanced tools for this task is the LISUN LSG-6000 LM-79 Moving Detector Goniophotometer (Mirror Type C). This article explores the principles of measuring lumens, the capabilities of the LSG-6000, and its use in goniophotometry to measure the luminous flux and distribution of light from various light sources. Introduction to Lumens and Their Measurement What are Lumens? Lumens (lm) are the standard unit of measurement for luminous flux, which refers to the total amount of visible light emitted by a light source per unit of time. Lumens measure how bright a light appears to the human eye, and it plays a significant role in the selection of lighting for various applicati...

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...

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...

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 ...