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Lighting Design + Application • October 2003 - Illuminating ...

Lighting Design + Application • October 2003 - Illuminating ...

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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P R O G R E S S R E P O R T 2 0 0 3Venture <strong>Lighting</strong> Internationalhas introduced this 340-W metal halide lamp for deepdimming applications on highfrequency electronic ballasts. Itoffers stable operation from100 to 35 percent of rated lamppower. The lamp has a ratedcolor temperature of 4000K at70 CRI. It may be operated inthe vertical position +/-15degree in open luminaires andincorporates an EX39 exclusionarymogul base. The lamphas a rated life of 20,000 hourswith an 80 percent survival atthat point. The lamp has amean system efficacy of 78lm/W compared to a 50 LPWfor a standard 400-W metalhalide lamp on a CWA ballast.This new 125-W pulse-startmetal halide lamp and ballastcombination has also beenintroduced by Venture<strong>Lighting</strong> International. Thelamp utilizes a mogul base andED28 bulb shape. Rated at15,000 hours in the base upposition, this new lamp offers a50 percent longer life thanstandard 175-W metal halidelamps. It carries an initiallumen rating of 12,500 and anefficacy of 96 lm/W. The lamphas a color temperature of4000K and a color-renderingindex of 65. It is designed to beoperated in enclosed luminaires.Ushio America has introducedthis family of DC gas dischargelamps for use in medical,scientific, industrial andentertainment applications.The lamps are designed withgeometries that enable alignmentin dichroic, visible light orUV coated reflectors. They arecomparable to metal halidesources in efficacy, but havetwo to five times the life ratingof other lamps designed forthese applications. Lamp life is2000 hours for the 200, 270and 350-W sizes, and 1000hours for the 600 watt product.This family of ED17 ceramicmetal halide lamps, introducedby Philips <strong>Lighting</strong>, has thelongest rated lamp life in theindustry. The 4000K lamps in70, 100 and 150 watts carry alife rating of 20,000 hours andthe 3000K lamps in 70 and 100watts have a life rating of16,000 hours. The 4000Klamps have a CRI of 92, andthe 3000K lamps are 85. Alllamps are designed to pass theTCLP test.Venture <strong>Lighting</strong> Internationalhas introduced this new875-W pulse-start metal halidelamp. It is designed to operatein the horizontal burning position+/-45 degree and utilizes aBT37 bulb shape. It carries aninitial lumen rating of 95,000and is rated at 71,300 meanlumens. The lamp has an efficacyof 109 lm/W. It is an energysaving retrofit opportunityfor old 1000-W metal halidesystems.cOnfIdENTiAl

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