LSG-1950S Goniophotometer for Traffic Signal Lamps

LSG-1950S is a high-accuracy automated test system for luminous intensity distribution measurement of traffic signal luminaires, designed for quality evaluation and quality control applications. The system fully complies with multiple international standards including Final Report PC13050202 Oregon, ECE-R65, FMVSS108, GB13954, and GB 25991.

Standards Compliance:
• ECE-R65 “Uniform Provisions Concerning The Approval of Special Warning Lamps for Motor Vehicles”
• FMVSS108 “Lamps, Reflective Devices, and Associated Equipment”
• IEC60662 (GB13954) “High-pressure Sodium Vapour Lamps”
• GB 25991 “Automotive Headlamps with LED Light Sources and/or LED Modules”

Technical Specifications:
• Dual-axis sample rotation: vertical axis (-90° to +90°) and horizontal axis (-35° to +35°)
• Angular accuracy: 0.1°
• Angular resolution: 0.01°
• Photometer detector: CIE Class A accuracy (standard class)
• Automated software control with intuitive operation interface

The system features rapid sample interchange capability through selection of appropriate test schemes and fixtures. When integrated with the LISUN PM400F Flashlight Photometer, the LSG-1950S goniophotometer provides comprehensive compliance verification for additional standards:

• MH/T 6012-1999 – Aviation Obstruction Light
• HB6490-1991 – General Specifications for Aircraft Navigation Light and Anti-collision Light
• JTT 761—2022 – General Technical Conditions for Aids to Navigation Light
• JJF1330-2011 – Calibration Specification for Transient Effective Luminous Intensity Meter

LSG-1950S Goniophotometer for Traffic Signal Lamps – Technical Support Documentation
The LSG-1950S system has been deployed in testing laboratories for over a decade. Our engineering team has compiled comprehensive technical documentation addressing common operational and maintenance considerations. This resource enables users to resolve most operational questions independently while ensuring optimal system performance.