Difference between revisions of "Philips HPI-T and HPI-T Plus"

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*E40 base
*E40 base
*Color rendering index Ra of 65
*Color rendering index Ra of 65
*Typical lifetime of 20.000 to 24.000 hours (only HPI-T lamps)
*Typical lifetime of 20.000 to 24.000 hours
*Luminous efficacy of 72 to 85 lumens/watt
*Luminous efficacy of 72 to 85 lumens/watt
*Cool white or daylight colour designation (4500 or 6700 K colour temperature)
*Cool white or daylight colour designation (4500 or 6700 K colour temperature)

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