Lumen maintenance curve | Article about lumen maintenance curve by The Free Dictionary
lumen maintenance curve
life performance curve
For a source of light, a curve showing the variation of some characteristic of the source throughout its lifetime (e.g., lumens vs. life).
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive
We can be heartened that there is now an industry standard for extrapolating LED lumen maintenance curves
Depending on the lamp selected, different lumen maintenance curves