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Difference between revisions of "Philips HPI Plus"
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*Internal high pressure quartz discharge tube | *Internal high pressure quartz discharge tube | ||
*E40 base | *E40 base | ||
*Requires matching ballast | *Requires matching mercury vapour or high pressure sodium ballast (Plus designation) | ||
*Requires ignitors except on "S" designated 250W and 400W lamps | |||
*Color rendering index Ra of 69 | *Color rendering index Ra of 69 | ||
*Typical lifetime of 20.000 hours | *Typical lifetime of 20.000 hours | ||