Philips MASTERColour CDM-T series uses a special technique which produces a ceramic rod at certain temperature and light it in a very efficient manner. Thanks to the ceramic burner color shift remains minimal during the entire lifetime. This Philips has developed a revolutionary way a lamp up to more than 100 Lm / watt delivers. The Master CDM is not without a very commonly used lamp inside many stores, showrooms and department stores and other buildings where people attach great importance to pleasant, sparkling and efficient light.

Philips SOX (E, PSG) lamps are low-pressure sodium (silver-colored alkali metal) in lamps having a U-shaped, sodium-filled discharge tube. It is contained in a tubular outer bulb of glass-clear gevacuümeerde. All have the BY22d cap. The SOX give a Monochromatic yellow color.

Philips HPL-N (HPL Comfort HPL-4) lamps are high pressure mercury lamps with an ovoid (pear-shaped) form. The exterior is a hard glass outer envelope. All have the E27 or E40 lamp base. The HPL-N lamps give a more white color.

Philips SON (Comfort, H, PIA Plus, PIA Hg Free) lamps are high pressure sodium (silver-colored alkali metal) lamps with ceramic discharge tube in eendiffuse ovoid (egg-shaped) form. The exterior is a hard outer glass bulb with a white inner coating. All have the E27 or E40 lamp base. The SON lamps give a little warm white color.

Philips HPI (-T, -T and Plus Plus) Metal Halide lamps are lamps made of quartz discharge tube is filled with high-pressure mercury and a mixture of metal halogenation no bright elongated (tubular) form. The exterior is a hard glass outer envelope of quartz glass. All have the E40 lamp base. The HPI T Candela to white.

Philips CDO-TT lamps are quartz metal halide lamps with a diffuse ovoid (egg-shaped) shape with a CDO discharge tube (from the CDM lamp. The exterior is a hard outer glass bulb with internal coated in white. They have the E27 or E40 lampvoet.De CDO -TT lamps give a warm white (2900K) color.

Philips CDM-TT lamps are quartz metal halide lamps with a diffuse ovoid (egg-shaped) shape with a CDO discharge tube (from the CDM lamp. The exterior is a hard outer glass bulb with internal coated in white. They have the E27 or E40 lamp base. The CDO -TT lamps give a warm white (2900K) color.

All these lights are generally used outdoors such as city centers, shopping centers and pedestrian areas, residential areas, road lighting and floodlighting etc. However, we also see the CDM series are frequently used indoors.

Differences in the design of the various gas discharge lamps:
PHILIPS SOX: low pressure sodium gas discharge lamp
PHILIPS HPL-N lamps: high-pressure mercury vapor lamp
PHILIPS SON lamps: high pressure sodium gas discharge with ceramic arc tube
PHILIPS HPI lamps: metal halide lamp with quartz discharge tube and high pressure mercury
Master PHILIPS CDM TT: ceramic metal halide lamp
PHILIPS Master City White CDO-TT: quartz metal halide
PHILIPS City White CDO-ET: ceramic metal halide
PHILIPS CosmoWhite CPO-TW: compact ceramic metal halide
PHILIPS ML: High-pressure mercury discharge tube and quartz tungsten filament
PHILIPS MHN: quartz metal halide