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Difference between revisions of "Philips HPI Plus"
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Standard | Standard Metal Hallide Lamp for outdoor lighting with 250W and 400W (E40 base) | ||
== Features == | == Features == | ||
*Clear ( | *Clear (tubular bulb for T lamp designation) or diffuse internal ovoid coated bulb | ||
*Internal high pressure | *Internal high pressure quartz discharge tube | ||
* | *E40 base | ||
*Requires matching ballast and ignitors except on " | *Requires matching ballast and ignitors except on "S" designated 250W and 400W lamps | ||
*Color rendering index Ra of | *Color rendering index Ra of 69 | ||
*Typical lifetime of | *Typical lifetime of 20.000 hours | ||
*Luminous efficacy of | *Luminous efficacy of 72 to 85 lumens/watt (highest on HPI-T lamps) | ||
* | *Cool white or daylight colour designation (4500 or 6700 K colour temperature) | ||
* | *Horizontal operating position (risk of early failure when operating in other positions) | ||
== Lamp control gear == | == Lamp control gear == | ||