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2013 Edition, February 4, 2013

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IES Approved Method: Photometry of Reflector Type Lamps

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Product Details:

  • Revision: 2013 Edition, February 4, 2013
  • Published Date: February 4, 2013
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Illuminating Engineering Society (IES)
  • Page Count: 19
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

As used in this laboratory method, a reflector-type lamp is a lamp having a reflective element(s) intended to redirect flux from the emitting element (e.g., filament, arc) to form the intended spatial distribution of the light. For example, a reflective element might take the form of a reflective coating applied to the lamp bulb, or a reflector positioned relative to the emitting element and permanently affixed in this position. This laboratory method does not apply to the following: lamps of standard bulb shape to which an integral reflector is added such as silver-bowl and silvered-neck lamps; reflector-type lamps that are designed for special applications, such as automotive headlamps and projection lamps, for which lamp specific test procedures have been established; or lamps that are known to have special testing requirements beyond those addressed in this laboratory method such as linear fluorescent reflector lamps that have special temperature or orientation requirements.