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Abstract In the fields of lighting engineering design, luminaire research and development, and quality control, the spatial distribution characteristics of luminaire optical performance are the core basis for evaluating lighting effects, ensuring usage safety, and achieving energy-saving goals. Traditional photometric testing equipment struggles to fully capture the regular pattern of luminous intensity distribution of luminaires in three-dimensional space. However, the goniophotometer system, with its technical advantages of “high-precision spatial scanning + multi-parameter synchronous calculation”, has become a key device to solve this pain point. This paper takes the LISUN LSG-1890B High-Precision Goniophotometer System (Luminous Intensity Distribution Curve) as the research object, systematically expounds its technical principles and application scenarios in the testing of 15 core parameters such as luminous intensity data, regional luminous flux, luminaire efficiency, and glare r...
Abstract Light illumination measurement is a critical technical process in fields such as lighting engineering, industrial production, and environmental monitoring, as it directly determines the rationality of light environment design and the quality of related products. Portable CCD spectroradiometers have become the core equipment for on-site light illumination measurement due to their advantages of portability, high precision, and multi parameter testing. This paper takes the LISUN LMS-6000 Portable CCD Spectroradiometer as the research object, systematically expounds on its technical principles, functional characteristics, and application methods in light illumination measurement. Through detailed analysis of its parameter indicators and actual test data, it verifies the instrument’s accuracy and reliability in light illumination measurement. At the same time, it compares the performance of different models under the LMS-6000 series, providing a comprehensive reference for users to...
Abstract With the diversification of lighting technologies, the accurate measurement of luminous performance has become crucial for quality control and standard compliance across lighting product categories. Lumen test equipment, as the core tool for evaluating light output and optical characteristics, plays an irreplaceable role in testing energy-saving lamps, fluorescent lamps, HID lamps, cold cathode fluorescent lamps (CCFLs), and LED lamps. This paper takes the LISUN LPCE-2 (LMS-9000) High Precision Spectroradiometer Integrating Sphere System as the research object, expounds the working principle of advanced lumen test equipment, details its application in testing different types of lighting products, focuses on the multi-dimensional detection of LED quality through photoelectric color parameters, and verifies its measurement accuracy and practical value through experimental data. The research shows that the LPCE-2 system can meet international standards such as CIE 177 and IES LM-...
This company based in Turkey, specializing in the production of high-precision automated metal components for the automotive, home appliance, motor, aerospace, and defense industries. With a strong manufacturing system in place, the company processes a wide range of materials including alloy steels, carbon steels, stainless steel, aluminum, and granule casting materials. It holds internationally recognized certifications such as ISO/TS 16949 and ISO 14001, and operates a dedicated R&D center focused on providing technical solutions to the electrical, electronics, and mechatronics sectors. The client first discovered our company and product offerings while browsing our official website. After reading through our LED testing system descriptions, they became particularly interested in our LED optical-electrical test solutions, and promptly reached out to us via our online platform. During the initial communications, the client expressed a broad range of testing requirements for their ...
Abstract Inductors are critical components in electronic circuits, and the magnetic core within them directly determines their performance stability and service life. Traditional inductance testing methods often fail to accurately reflect the actual working state of the core due to the lack of a DC bias current environment. This paper takes the LISUN LS1373 LCR Meter with DC Bias Current Source as the core testing tool, systematically explores how to use its built-in DC bias current source to analyze the characteristics of inductor cores, and verifies its application value in inductor quality inspection and product characteristic analysis through experimental data. The results show that the LS1373 DC Bias Current Source can simulate the actual working current of the inductor, accurately measure core parameters such as inductance (L) and quality factor (Q) under different bias conditions, and provide reliable data support for judging the core quality and optimizing the inductor design. ...
Abstract With the rapid development of the LED industry, the reliability and performance of LED driver power supplies have become crucial factors affecting the quality of LED products. Led Driver Testing Equipment plays a core role in ensuring the compliance and stability of LED drivers. This paper takes the LISUN LS2090 LED Power Driver Tester as the research object, systematically introduces its design standards, functional modules, technical specifications, and supporting systems. Through detailed data tables and practical application scenarios, it analyzes the tester’s ability to meet industry standards and its value in improving testing efficiency. The research shows that the LISUN LS2090, as a professional Led Driver Testing Equipment, can comprehensively measure multiple key parameters of LED drivers, fully complying with international and national standards, and providing strong technical support for the production and quality inspection of LED driver power supplies. 1. Introdu...
Abstract In the links of product R&D, production, and quality control, environmental reliability testing is a key means to verify the performance stability of products under complex climatic conditions. As a core testing equipment, the temperature and humidity oven simulates extreme climatic environments such as heat resistance, cold resistance, dry resistance, and humidity resistance, enabling accurate definition of the environmental adaptability of materials and products. This paper takes the LISUN GDJS-015B Temperature-Humidity Cycling Test Chamber as the research object, systematically analyzes its technical principles, core parameters, and functional characteristics, and focuses on expounding its application scenarios in the CFL/LED lighting industry (complying with the IES LM-80-08 standard), electrical product field, and electronic component field. Combined with specific test cases and a technical parameter table, it demonstrates the equipment’s supporting role in improvin...