LM-79 Moving Detector Goniophotometer (Mirror Type C)
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The LSG-6000 Moving Detector Goniophotometer (Mirror Type C) is a precision photometric measurement system engineered for comprehensive light distribution analysis of solid-state lighting products. This instrument provides full compliance with international standards including LM-79-19, LM-79-24, COMMISSION DELEGATED REGULATION (EU) 2019/2015, CIE-121, CIE S025, SASO 2902, IS16106, and EN13032-1 clause 6.1.1.3 type 4 requirements.
As the upgraded successor to the LSG-5000 and LSG-3000 models, the LSG-6000 meets the specific requirements of LM-79-19 standard Clause 7.3.1 for optical and electrical measurements of solid-state lighting products. This automated light distribution intensity 3D curve testing system enables precise measurement of photometric parameters with laboratory-grade accuracy.
The system’s darkroom configuration can be customized according to available laboratory space requirements, providing flexibility for integration into existing testing facilities.
Standards Compliance
- LM-79-19: “Optical and Electrical Measurements of Solid State Lighting Products”
- EN13032-1: “Light and lighting – Measurement and presentation of photometric data of lamps and luminaires – Part 1: Measurement and file format” (German version EN 13032-1:2004+A1:2012)
- CIE-121: “The Photometry and Goniophotometry of Luminaires”
- CIE S025: “Test Method for LED Lamps, LED Luminaires and LED Modules”
Application Scope
The LSG-6000 Moving Detector Goniophotometer is designed for comprehensive photometric evaluation of diverse lighting sources including LED luminaires, plant lighting systems, HID luminaires, and various indoor/outdoor lighting products. The system accommodates testing of roadway luminaires, street lamps, flood lights, and other specialized lighting fixtures.
Measurement Capabilities
The LSG-6000 Moving Detector Goniophotometer system provides comprehensive photometric data acquisition including:
- Luminous Intensity Distribution
- Photometric Data Analysis
- Zonal Luminous Flux Calculation
- Luminaire Efficiency Determination
- Luminance Distribution (Optional)
- Coefficient of Utilization Analysis
- Luminance Limitation Curves for Glare Assessment
- Maximum Ratio of Distance to Height Calculation
- Equal Illuminance Diagrams
- Curves of Luminaires vs. Lighting Area
- Isocandela Diagrams
- Efficient Luminescence Angle Measurement
- Energy Efficiency Index (EEI) Calculation
- Unified Glare Rating (UGR) Assessment
System Operation Principle
The LSG-6000 employs a synchronized moving detector configuration where the near-field detector travels linearly with the primary mirror assembly. This design ensures precise angular positioning and measurement consistency throughout the goniophotometric testing sequence.