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 (Economical Model)
LSG-1950S
VAD Fire Alarm Visual Alert Device Goniophotometer
LSG-1930
Goniophotometer for Airfield Lighting
LSG-1940
Compact Goniophotometer
LSG-1200A
LED Goniophotometer
LSG-1100
Near Field Moving Detector Goniophotometer
LSG-1900B
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Abstract Photometric performance testing of lighting products is an indispensable part of luminaire R&D, quality control and export certification. As the core instrument for obtaining full‑space luminous intensity distribution data of luminaires, the compliance of goniophotometer with domestic and international standards directly determines the validity of test results. The LISUN LSG‑6000 ...
Abstract On May 5, 2026, Brazil’s INMETRO officially issued Portaria nº 231/2026, replacing the old Portaria nº 69/2022 as the unified technical quality specification and conformity assessment regulation for LED light sources and LED luminaires. The biggest change in this revision is that LED luminaires are formally included in the scope of mandatory certification, instead of only regulating i...
Abstract: Luminous intensity is the most fundamental photometric parameter of lighting products, and the instrument that measures light intensity is an indispensable testing equipment for luminaire light distribution performance evaluation, product R&D and export certification. Conventional photometric testing equipment usually suffers from limitations such as incomplete test angles, limited ...
Abstract: For lighting products such as LED lights, plant grow lights, outdoor street lights and floodlights exported overseas and applied in engineering projects, complete spatial light distribution data is essential. As a globally universal standard data carrier for luminaire light distribution, IES testing documents serve as core technical files for lighting simulation, product certification an...
Abstract: To accurately measure 3D photometric parameters of various lighting products, this paper takes LISUN LSG-6000 vertical rotating probe goniophotometer as the research object based on the goniophotometer working principle. It analyzes the full-space scanning measurement mechanism under C-γ coordinate system, elaborates core advantages including automatic generation of 3D luminous intensit...
Abstract Luminous intensity measuring device is a core part of optical performance testing for light sources and luminaires, and its data directly affects the light distribution effect, user experience and compliance level of lighting products. Adopting high-precision mechanical structure and professional optical detection modules, the rotary probe vertical goniophotometer is capable of conducting...
Abstract: In the fields of lighting engineering and LED light source R&D, luminous intensity distribution is a core indicator that characterizes the spatial light distribution performance of luminaires and determines lighting effects and energy‑efficiency levels. Accurate acquisition of 3D luminous intensity distribution curves is critical for optimizing luminaire structures, improving illum...
Abstract: Luminous intensity is the core photometric parameter that characterizes the luminous flux output of a light source per unit solid angle in a specific direction, which directly determines the light distribution, irradiation distance and illumination uniformity of luminaires. Taking the LISUN LSG-6000 LM-79 vertical goniophotometer as the testing platform, this paper systematically measure...
Abstract: The Type C goniophotometer system is core equipment for optical performance testing of lighting products. It meets the strict requirements of the latest standards such as LM-79-24 for static testing of luminaires, making it the preferred solution for photometric testing in general lighting. As a typical representative of the Type C goniophotometer system, the LISUN LSG-6000 rotating prob...
Abstract: The LM-79 Moving Detector Goniophotometer (Mirror Type C) is core equipment for optical parameter measurement in the lighting industry, specially designed for full-space luminous intensity distribution and related optical performance testing. As an upgraded flagship model in this series, the LISUN LSG-6000 Rotating Probe Vertical Goniophotometer (Full‑Space Goniophotometer) fully mee...
Abstract To test light intensity with laboratory-grade precision requires systematic compliance with international photometric standards and advanced goniophotometric instrumentation. This paper presents a comprehensive technical analysis of five critical measurement parameters—luminous intensity distribution, zonal luminous flux, luminaire efficiency, luminance limitation, and spatial color uni...
In 2026, the Bureau of Indian Standards (BIS) completed and issued the revised standard IS 16102-2:2026 for the operational performance of outdoor LED lighting equipment. As a core mandatory standard for India’s outdoor LED lighting sector, this update further refines technical requirements and improves test specifications on the original basis. It aims to enhance the reliability, safety, and ad...
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