LED Tester | Christmas Light Tester - LISUN

In the realm of electrical and electronic engineering, ensuring the quality and reliability of electrical components is of paramount importance. Among the various testing instruments, the impulse winding tester stands out as a crucial device for evaluating the integrity of coils, which are fundamental components in numerous electrical systems. This article aims to comprehensively answer the question “What is impulse winding tester?” by delving into its working principles, applications, and by taking a detailed look at the LISUN LS8815 Impulse Winding Tester, a state-of-the-art product in this field.​ 1. Understanding the Basics of Impulse Winding Tester​ An impulse winding tester is a specialized instrument used to detect defects in the insulation of electrical coils. Electrical coils, such as those found in motors, transformers, solenoids, and inductors, rely on the integrity of their insulation to function properly and safely. Any flaws in the insulation can lead to short circuits, o...

Introduction In modern industrial production and scientific research, high-low temperature and humidity alternating test chambers are critical environmental testing devices widely used in industries such as electronics, telecommunications, automotive, aerospace, and materials science. These chambers simulate extreme conditions, including high temperatures, low temperatures, high humidity, and low humidity, to evaluate product performance and reliability under diverse environmental conditions. Shanghai LISUN, a renowned domestic manufacturer of environmental testing equipment, is celebrated for the advanced technology and stable performance of its high-low temperature and humidity alternating test chambers, such as the GDJS-015B model. However, during operation, particularly in high-humidity test modes, these chambers may influence the chamber humidity, which in turn affects the indoor humidity of the laboratory or testing environment. This article focuses on chamber humidity as the cor...

Introduction In the rapidly advancing field of LED lighting, the LED Tester has become an essential tool for ensuring that light sources meet rigorous international standards for performance and efficiency. LEDs, renowned for their high efficiency, energy savings, and environmental benefits, are widely utilized in applications ranging from indoor and outdoor lighting to display technologies, agricultural lighting, and specialized illumination systems. Accurate measurement of photometric, colorimetric, and electrical parameters is critical to ensuring LED quality, reliability, and market competitiveness. The LSG-6000 Rotating Detector Vertical Goniophotometer (Full-Space Goniophotometer), developed by Shanghai LISUN LED Test Equipment Co., Ltd. (hereinafter referred to as LISUN), is a cutting-edge LED Tester designed to measure light intensity distribution and luminous flux with unparalleled precision, fully compliant with LM-79-19 standards. This article explores the technical principl...

Introduction Luminous flux is a fundamental photometric quantity that measures the total amount of visible light emitted by a light source over time. It serves as a cornerstone in the fields of lighting engineering, optical design, and photometry research. As the demand for energy-efficient lighting solutions continues to rise, accurate measurement of luminous flux has become increasingly critical. Shanghai LISUN Instruments, a leading manufacturer of LED testing equipment, offers advanced tools and systems designed to provide precise and reliable luminous flux measurements. This article provides an in-depth technical overview of Shanghai LISUN’s LED test equipment for luminous flux testing, exploring its methodologies, applications, and future development trends. LPCE-2(LMS-9000)High Precision Spectroradiometer Integrated Sphere System Understanding Luminous Flux Luminous flux (Φv) is defined as the total perceived power of visible light emitted by a light source per unit time, measur...

Introduction The rapid evolution of LED lighting technology has revolutionized the lighting industry, making LED luminaires the preferred choice for residential, commercial, and industrial applications due to their high efficiency, energy conservation, and extended lifespan. However, one persistent challenge in LED lighting is flicker, a phenomenon that significantly impacts the quality of LED luminaires and user experience. Flicker in LED lighting can lead to visual fatigue, headaches, and, in severe cases, neurological issues, making the LED flicker test a critical aspect of quality assurance. The LPCE-2 (LMS-9000) LED CCD Rapid Photometric and Electrical Comprehensive Testing System, developed by LISUN, is a state-of-the-art, high-precision testing instrument designed to address the complexities of LED flicker testing. This article provides an in-depth exploration of the technical features, testing principles, application scenarios, and broader industry impact of the LPCE-2 (LMS-900...

Introduction In the realm of analytical instrumentation, spectrophotometry stands as one of the most essential and widely used techniques for quantifying light absorption and transmission. By analyzing how a substance interacts with light at different wavelengths, spectrophotometers provide critical data across scientific research, industrial quality assurance, environmental monitoring, and medical diagnostics. Among the leading manufacturers in this field is Shanghai LISUN, a Shanghai-based company that has established itself as a trusted provider of high-precision optical measurement equipment. With over two decades of experience, Shanghai LISUN offers a diverse range of spectrophotometers designed to meet international standards while delivering outstanding performance, reliability, and user-friendliness. This article presents a comprehensive technical overview of Shanghai LISUN spectrophotometers, covering their working principles, hardware components, software capabilities, calibr...

Introduction The rapid advancement of lighting technology has underscored the critical role of efficient and reliable lighting test equipment in the illumination industry. The LPCE-2 (LMS-9000) High-Precision Spectroradiometer and Integrating Sphere Testing System, developed by LISUN, Ltd., stands out as an advanced lighting test equipment solution. This system is widely utilized for testing a variety of light sources, including LEDs, fluorescent lamps, energy-saving lamps, high-intensity discharge (HID) lamps such as high-pressure sodium and mercury lamps, and cold cathode fluorescent lamps. Its high precision, rapid testing capabilities, and multifunctionality have not only driven progress in lighting product research, development, and quality control but also exerted a profound influence on industry standards, testing efficiency, and market competitiveness. This article examines the technical characteristics, industry applications, standard compliance, market impact, and future deve...

Introduction The widespread adoption of LED lighting technology has transformed the lighting industry, establishing LED luminaires as the preferred choice for modern illumination due to their exceptional efficiency, energy savings, and extended lifespan. However, LED lumen maintenance, a critical indicator of long-term performance and reliability, remains a focal point for assessing LED quality. LED lumen maintenance refers to the ability of an LED light source to sustain its light output over extended periods, directly influencing the luminaire’s lifespan and lighting efficacy. The LPCE-2 (LMS-9000) LED CCD Rapid Photometric and Electrical Comprehensive Testing System, developed by LISUN, is a high-precision testing instrument that plays a pivotal role in LED lumen maintenance testing. This article provides an in-depth exploration of the technical features, testing principles, application scenarios, and industry impact of the LPCE-2 (LMS-9000) system in the context of LED lumen mainte...