315w cdl agro lamp is made by philips lighting belongs to the ceramic discharge lamp cmh family also known as cdm and lec.
Ceramic discharge metal halide lamp.
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Bulb type high output color temperature 3000k.
High intensity discharge lamps.
Technical specification item ceramic metal halide hid bulb overall bulb shape ed bulb shape ed18 overall bulb base type mogul bulb base type mogul screw e39 light technology ceramic metal halide lumens 41 000 lm bulb operating position universal burning wattage equivalency 400w mh watts 400w trade number cmh400 u 830 r rated life 20 000 hr.
Ceramic arc tubes allow higher arc tube temperatures which manufacturers claim results in better efficacy color rendering and color stability.
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Philips lighting introduces mastercolor cdm elite agro 315 w t12 metal halide lamps for horticulture market.
These are actually metal halide lamps.
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Description this expanded recall involves philips lighting energy advantage ceramic metal halide lamps model cdm330 manufactured from may 2011 through march 2014.
The 2011 progress report by illuminating engineering society of america ies stated as follows.
The ceramic discharge metal halide cdm lamp often referred to as ceramic metal halide lamp cmh is a source of light that is a type of metal halide lamp which is 10 20 more efficient than the traditional quartz metal halide and produces a superior color rendition 80 96 cri.
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.
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Metal halide mh lamp arc tubesare made of either quartz or ceramic see figure 1.
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Vivosun 2 pack full spectrum 315w 3000k ceramic metal halide grow light bulb high efficiency low heat cmh cdm grow lamp for flowering 4 5 out of 5 stars 53 88 95 88.