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Standard Test Method for Determining the Luminance Curve of an Electroluminescent Lamp at Ambient Conditions
STANDARD published on 1.5.2009
Designation standards: ASTM F2771-09
Note: WITHDRAWN
Publication date standards: 1.5.2009
SKU: NS-54510
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
aging, electroluminescent, luminance, time to half luminance, ICS Number Code 17.180.20 (Colours and measurement of light)
Significance and Use | ||||||
To provide a standardized test method that can be used for a valid comparison of luminance time curves, color changes and cosmetic changes between lamps of various designs, fabrication techniques, and sources. |
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1. Scope | ||||||
1.1 This test method establishes the procedures for determining the visible performance change, which is defined by luminance, color and cosmetic appearance of an electroluminescent lamp during operation over an extended time. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||||
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