Philips HPI plus
lamp is a diffuse ovoid (egg-shaped) metal halide lamp comprising a quartz arc tube which is filled with high-pressure mercury and a mixture of metal halogens. Characterized by its much better color rendering than the standard lamp SON lamp and longer life. Excellent lumen maintenance and long life guarantee optimum illumination and minimal maintenance costs. The excellent color stability ensure uniform color throughout the life thanks to the 3-tapes technology. The "Plus" lamps are also on high pressure sodium (SON) ballasts. Application.
This HPI plus is particularly used in public lighting, sports facilities and other general public places where security plays a role. The HPI lamp with E40 lamp base be used with a conventional ballast and is suitable for use in enclosed fixtures, the Protected (teflon coating) versions are allowed to be used in open luminaires.
Lifetime of HPI plus. Drop 5% at 5000 hours and 50% failures 20000 hours. The light output at 25 ° C to 72 to 82 lumens / watt. HPI This lamp is not dimmable. The 745 replaces the 643 HPI range! and is slightly whiter in color!
Available in 4500K lamp color (white) and 6700K (daylight) and in wattages 250W and 400W with an E40 socket and 220V. The color fastness (RA) is 69. BU = Base Up (base-up), S = internal replacement starter for HPL lamps, P = Protected, HOR Horizontal burning position.