Wherever relamping is expensive, for example in outdoor lighting, tunnel lighting and factory lighting.
Preferred applications:
l Frequency of 140k Hz is possible depending on ballast.
l Lamp and ballast can be separated up to 20m, depending on ballast.
l Can be used in DC systems
l Wide working temperature, - 20
high luminous efficiency high color rendering property long service life environ mental-protection light source 21st century |