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| Standard lamps - clear | Reflector lamps | Reflector lamps PAR56 |
Incandescent lamps
Bulbs belong to temperature lighting sources - source of radiation is tungsten hot fibre by coming electric current on high temperature. Bulb is the best know and wide spread lighting source, but at least economic. To light is changed only 6 -10% of enter energy.
Main advantages:
- ease construction, small sizes and low weight
- index of colour proposal Ra=100
- possibility of direct networking
Disadvantages:
- shor life (1000 hours)
- small specific capacity
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