Ceramic metal halide cmh or cdm lamps are a relatively new source of hid light that is a variation of the traditional metal halide hid lamp.
Ceramic discharge lights.
This expanded recall involves philips lighting energy advantage ceramic metal halide lamps model cdm330 manufactured from may 2011 through march 2014.
Cmh lamps use 20 of the power of comparable incandescent light bulbs for the same output 80 117 lumens watt and retain their color spectrum better than most other gas discharge lamps making them a.
Gas discharge lamps are a family of artificial light sources that generate light by sending an electric discharge through an ionized gas a plasma typically such lamps use a noble gas argon neon krypton and xenon or a mixture of these gases some include additional substances like mercury sodium and metal halides which are vaporized during startup to become part of the gas mixture.
Ceramic discharge metal halide lamps cdm330 recall details.
Applications for these lamps include television and film making shop lighting digital photography street.
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Cmh is part of the high intensity discharge hid lighting category which offers the highest efficacy and longest life of any.