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Difference between revisions of "Philips GLS Incandescent"
Philips GLS Incandescent (view source)
Revision as of 11:36, 3 November 2021
, 11:36, 3 November 2021→Greatest features & flaws
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*Clear glass or diffuse glass outer bulb | *Clear glass or diffuse glass outer bulb | ||
*Coiled-coil tungsten-wolfram incandescent filament supported on 1 or 2 intermediate points | *Coiled-coil tungsten-wolfram incandescent filament supported on 1 or 2 intermediate points | ||
*Vacuum (15W) or gas-filled bulb (25W to | *Vacuum (15W) or gas-filled bulb (25W to 250W) | ||
*E14, E27 | *E14, E27 base | ||
*Color rendering index Ra of 100 (the filament is a true blackbody emitter) | *Color rendering index Ra of 100 (the filament is a true blackbody emitter) | ||
*Typical lifetime of 1.000 to 2.000 hours | *Typical lifetime of 1.000 to 2.000 hours (on longer life lamps) | ||
*Luminous efficacy of | *Luminous efficacy of 8 to 12 lumens/watt | ||
*Incandescent white (from 2700 | *Incandescent white (from 2700 K colour temperature) | ||
*Universal operating position | *Universal operating position | ||
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! Features !! Flaws | ! Features !! Flaws | ||
|- | |- | ||
| | | Relatively compact light source || High glare risk on clear lamps | ||
|- | |- | ||
| | | Perfect colour rendering || Fragile construction, very short life | ||
|- | |- | ||
| | | Suited for most applications || Very high heat dissipation | ||
|- | |- | ||
| | | Instant start, inexpensive || Extremely high energy consumption | ||
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