LM-79 Moving Detector Goniophotometer (Mirror Type C)
LSG-6000
High Precision Rotation Luminaire Goniophotometer
LSG-1890B
High Precision Rotation Luminaire Goniospectroradiometer
LSG-1890BCCD
Goniophotometer for Automotive and Signal Lamps
LSG-1950
Goniophotometer for Traffic Signal Lamps
LSG-1950S
Compact Goniophotometer
LSG-1200A
Near Field Moving Detector Goniophotometer
LSG-1900B
LEDs and Luminaire Test Solutions 
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Abstract Coupling/Decoupling Networks (CDNEs) play a fundamental role in electromagnetic compatibility (EMC) testing, providing critical interface between Electromagnetic Interference (EMI) receivers and Equipment Under Test (EUT). This comprehensive technical analysis examines working principles, technical specifications, and practical applications of CDNEs in modern EMC test systems. CDNE-M316 r...
Abstract Accurate lumen measurement is fundamental for lighting product development, quality control, and regulatory compliance. This paper presents a comprehensive analysis of seven essential lumen measurement methods, with particular emphasis on integrating sphere systems and spectroradiometer technology. The focus keyword lumen measurement establishes the framework for exploring both traditiona...
Abstract This paper explores the oscillating tube rain testing methodology for IPX3 and IPX4 waterproof protection ratings as defined by IEC 60529 standards. Oscillating tube rain testing represents a critical validation approach for ensuring water resistance in electronic enclosures, automotive components, and outdoor lighting equipment. The study examines the mechanical principles of oscillating...
Abstract: With the continuous upgrading of the EU RoHS Directive and the increasing requirements for environmental compliance of electronic and electrical products worldwide, rapid and accurate hazardous substance testing has become critical to industrial development. The EDX-2 series energy dispersive X-ray fluorescence spectrometer developed by LISUN is based on the analysis of the wavelength an...
Abstract Electrostatic discharge (ESD) is a critical interference source affecting the electromagnetic compatibility of electrical and electronic equipment. The operational stability of equipment under electrostatic interference directly determines its safety and reliability. As a core instrument for evaluating ESD immunity of equipment, an ESD Gun Test can accurately reproduce electrostatic disch...
Abstract In the R&D and quality inspection of products in LED lighting, electrical and electronic, and electronic component industries, environmental adaptability and reliability verification are core processes. As a key device for simulating natural climatic environments, a Thermal Test Chamber can achieve precise control and cyclic simulation of temperature and humidity. Taking the LISUN GD...
Abstract: The EFT pulse generator is a high-precision device specially designed for Electromagnetic Compatibility (EMC) immunity tests. Its core function is to simulate high-frequency transient burst interference that electrical and electronic equipment may encounter during actual operation, such as interference generated by power grid switching and relay contact bounce. It is used to evaluate the...
Abstract Electromagnetic interference (EMI) is a key factor affecting the electromagnetic compatibility (EMC) of electrical and electronic products. Quantitative measurement of conducted interference and radiated interference is an important part of product compliance certification and performance optimization. This paper focuses on the LISUN EMI-9K Series EMI Compliance Test Receiver, with empha...
Abstract： UV aging test chamber is a core instrument for material weatherability testing. Based on the principle of simulated environment accelerated aging, it uses UV lamps to simulate natural sunlight radiation and condensed moisture to reproduce rain and dew environments. Combined with temperature control, it realizes alternating cycles of light exposure and humidity.This paper takes LISUN UV...
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