Goniophotometer with Rotating Mirror

LSG-2000 Goniophotometer with Rotating Mirror, also designated as a Moving Mirror Goniophotometer, constitutes an automated three-dimensional light distribution intensity curve measurement system. The darkroom configuration can be customized according to existing facility dimensions. This instrument accommodates comprehensive photometric evaluation of diverse illumination sources, including LED and HID luminaires such as indoor/outdoor lighting fixtures, roadway luminaires, street lighting systems, floodlights, and specialized luminaire types.

LSG-2000 Moving Mirror Goniophotometer Measurement Capabilities: Luminous intensity data acquisition, luminous intensity distribution analysis, zonal luminous flux calculation, luminaire efficiency determination, luminance distribution assessment (optional), coefficient of utilization computation, luminance limitation curves for glare evaluation, maximum distance-to-height ratio analysis, equal illuminance diagram generation, luminaire versus lighting area correlation curves, isocandela diagram production, efficient luminescence angle measurement, Energy Efficiency Index (EEI) calculation, Unified Glare Rating (UGR) assessment.

Compliance Standards: 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,” IES LM-80-08 “Measuring Lumen Maintenance of LED Light Sources,” CIE-121 “The Photometry and Goniophotometry of Luminaires,” CIE-70 “The Measurement of Absolute Luminous Intensity Distribution,” IES LM-75 “Goniophotometer Types and Photometric Coordinates.”

Technical Features:

• Japanese MITSUBISHI MOTORS rotary motor coupled with German angular decoding system ensures smooth rotational motion with high positional accuracy and exceptional start-stop stability.
• Operating principles adhere to IESNA and CIE methodologies, with full compliance demonstrated for LM-80, LM-79, LM-75, GB, EN13032-1, and CIE121-1996 standards.
• Specialized collimation apparatus incorporating laser cross-line alignment facilitates precise and convenient positioning of luminaires under test.

Technical Specifications: The mirror rotates around…