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• TM-21 does not determine traditional life or
9 z9 e/ `! e0 b& ~+ F) P8 Q“time to failure” of an LED Lighting system
c" Q3 ^9 C7 k& A8 l+ J: j; q) k– The useful life of an LED system has many
- b) Q5 I6 j6 O3 P Zcomponents that need to be considered / l/ K! H; @7 s u
(lamp, driver, lens, etc.)
8 ~+ G" E# B5 a& r7 J* H– LEDs degrade (like all light sources) but for 6 ~! p7 @) x; q
potentially very long periods of time. Instead
! p, Q9 f& O4 V+ X2 D& zof outright failure, LEDs will eventually dim 2 Y8 ~3 g8 e8 c5 h9 y3 X- X
to a point that is too low to serve their
9 E- @3 x) D" U Cpurpose 6 w. H1 A6 ]9 J$ A) z
• TM-21 does project the lumen maintenance
y' d9 }0 Y/ k2 x1 H3 o+ dof an LED source (package/array/module)9 z" [2 ]5 L& i; Z; L! N
….. Which can then be used to project
% D2 C: d _& v* f. zthe expected lumen output of the source
3 p5 R- I: N: x: |+ Ras part of a system (fixture) |
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