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100 Watt Mercury Vapor Ballasts

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  • http://www.galco.com/techdoc/cohi/vmvs2tw150gp_480s865rd70_cp.pdf
    … Wide range of light sources and wattages to meet specifiers’ needs: 50, 70, 100, and 150 watt high pressure sodium (HPS); 100, and 175 watt mercury vapor (MV); 70, 100 , 175 watt metal halide (MH) ɀ Hinged ballast housing for ease of …
  • Solar Power in Building Design: The Engineer’s Complete Design Resource > ENERGY CONSERVATION
    Minimum lamp efficiency All outdoor fixtures with lamps rated over 100 W must either have a lamp efficiency of at least 60 lumens per watt (lm/W) or must be controlled by a motion sensor. … initial lamp lumens divided by the rated lamp power (W), without including auxiliary devices such as ballasts . Fixtures that operate by mercury vapor principles and larger-wattage incandescent lamps do not meet these efficiency requirements.
  • Energy Efficient Lighting Association's 100 Fast Facts
    • T8 Lamps with electronic ballasts can produce up to 100 lumens per watt . • A Mercury Vapor system and a 1500 mA VHO fluorescent system will have Lamp Lumen Depreciation (LLD) of as much as 40% over rated life.
  • Lineman's and Cableman's Handbook, Twelfth Edition > Street Lighting
    The lamp is elliptical and smaller than a mercury - vapor lamp of equal lumen output. The ballast is designed specifically for the high-pressure-sodium lamp and is not interchanged with ballasts … The high-pressure sodium-vapor lamp has an output of approximately 100 lumens per watt and a life expectancy of approximately 24,000 burning hours.
  • Discussion on ¿The high-pressure mercury-vapour discharge and its applications¿ before the North Midland Installations Group, at Leeds, 16th December, 1947
    The curves of Fig. 9 give the brightness of 500- and 1 000- watt lamps as 80 000 and 100 000 stilbs respectively, with arc lengths of 2 mm. I have in mind that a voltage fluctuation, by altering conditions in the ballast circuit, may vary … As the authors have pointed out, good colour rendering is not an inherent feature of mercury - vapour lamps; present-day prefer- ences in high-bay industrial installations are for mixed tungsten and mercury-discharge lighting.
  • COMPARISON OF SPECTRAL PURITY AND INTENSITY OF DIFFERENT U.V. MONOCHROMATORS
    … to 1.2cm; dispersing element a grating of area 100 m m ~ 100 mm with 1200 … Radiation Sources Measurements were made using three commercially available sources (E, F, G) contain- ing high pressure mercury vapour . The SP-500Wxis a water cooled 500 Watt high pressure mercury arc which may be operated from a 59300 BEj00 ballast trans- former with input voltages ranging from 95 to 120 V corresponding to lamp voltages ranging from 205 to 580 V.
  • Discussion on ¿The high-pressure mercury-vapour discharge and its applications¿ before the Southern Centre, at Southampton, 21st January, 1948
    The curves of Fig. 9 give the brightness of 500- and 1 000- watt lamps as 80 000 and 100 000 stilbs respectively, with arc lengths of 2 mm. I have in mind that a voltage fluctuation, by altering conditions in the ballast circuit, may vary … As the authors have pointed out, good colour rendering is not an inherent feature of mercury - vapour lamps; present-day prefer- ences in high-bay industrial installations are for mixed tungsten and mercury-discharge lighting.