T/NHLSAN 11-2019 LED lighting for road tunnel lighting
T/NHLSAN 11-2019 LED lighting for road tunnel lighting
Basic Information
Scope
Scope: This standard specifies the classification and naming, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of LED luminaires for road tunnel lighting. This standard applies to LED luminaires supplied by AC or DC power sources below 250V, which are used to provide lighting for road tunnels. Main technical content: The main technical content of LED luminaires for road tunnel lighting includes: environmental adaptability, safety, appearance, IP protection level, photoelectric performance (power, power factor, initial luminous flux, energy efficiency, color rendering index), lifespan (average lifespan, luminous flux maintenance rate, switching times), glare, flicker, photobiological safety, vibration, and electromagnetic compatibility.