GE ConstantColor CMH G8.5 manual

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Table of contents for the manual

  • Page 1

    GE Consumer & Industrial Lighting ConstantColor™ CMH™ Ceramic Metal Halide Lamps Single Ended G8.5 Product Information Lamp technology ConstantColor CMH™ lamps combine HPS technology (providing stability, efficiency & uniformity) and Metal Halide Technology (providing bright white quality light) to pr oduce highly efficient light so[...]

  • Page 2

    2 3 Specification summary* Ordering Information Description Wattage Colour Product Code CMH20/T/UVC/U/830/G8.5 Plus 20 3000K 39858 CMH35/T/UVC/U/830/G8.5 Plus 35 3000K 43273 CMH35/TC/UVC/U/842/G8.5 35 4200K 26348 CMH70/TC/UVC/U/830/G8.5 Plus 70 3000K 43274 CMH70/T/UVC/U/942/G8.5 70 4200K 26349 20W 3000K 35W 3000K Plus 35W 4200K 70W 3000K Plus 70W [...]

  • Page 3

    4 5 Dimension 14.5 mm 85 mm MAX LCL 52 ± 1.0 mm 1.0 mm 12.0 mm Lamp life Life survival graphs are shown for statistically representative batches of lamps operated under controlled nominal conditions with a 7 hours per start switching cycle. Declared lamp life is the median value, i.e. when 50% of lamps from a large sample batch would have failed. [...]

  • Page 4

    6 7 Lumen maintenance Lumen maintenance graphs show light output performance through life for statistically representative batches of lamps operated under controlled nominal conditions with a 7 hours per start switching cycle. A common characteristic for all metal halide lamps is a reduction in light output and a slight increase in power consumptio[...]

  • Page 5

    8 9 Warm-up characteristics During the warm-up period immediately after starting, lamp temperature increases rapidly evaporating mercury and metal halide dose in the arc-tube. Lamp electrical characteristics and light output stabilise in less than 4 minutes. During this period light output increases from zero to f ull output and colour approaches t[...]

  • Page 6

    10 11 UV and damage to sensitive materials The wall of the bulb, which is produced with specially developed ‘UV Contr ol’ material, absorbs potentially harmful high energy UV radiation emitted by the ceramic arc-tube. The use of UV control material together with an optically neutral front glass cover allows the lamp to signicantly reduce the[...]

  • Page 7

    12 13 N L N L BLS/E/20W/CMH BLS/E/35W/CMH BLS/E/20W/CMH/R BLS/E/35W/CMH/R BLS/E/70W/CMH BLS/E/70W/CMH/R BLS/E/150W/CMH BLS/E/150W/CMH/R Control gear and accessories Electronic Ballasts A range of GE electronic ballasts have been introduced to complement the 20, 35, 70 and 150W ConstantColor™ Ceramic Metal Halide lamps Power controlled electronic [...]

  • Page 8

    14 15 Superimposed ignitors In many installations Ceramic Metal Halide lamps are operated from a conventional magnetic ballast in conjunction with a superimposed ignitor . These ignitors generate starting pulses independently from the ballast and should be placed close to the lamp, preferably within the luminaire. Wiring between ignitor and lamp sh[...]