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• TM-21 does not determine traditional life or 2 \$ {& @' M2 R) `
“time to failure” of an LED Lighting system
% R1 G" E! M! y: o/ `– The useful life of an LED system has many ' L* `- d2 ~6 u& r$ ^
components that need to be considered : U2 F; o9 L) s4 w( |7 B: Q
(lamp, driver, lens, etc.)1 H3 J; X4 z, \- n
– LEDs degrade (like all light sources) but for
9 ]2 l$ I+ t( Ipotentially very long periods of time. Instead T, N1 e3 s5 d W; T
of outright failure, LEDs will eventually dim ( t( m) e. h/ i+ ^% V0 f X! W4 D
to a point that is too low to serve their ! R7 R3 a2 R. D8 M* ~4 X
purpose
; `, W. \+ \0 ^5 l+ j' b• TM-21 does project the lumen maintenance
* d2 X' M! C3 E7 ^# s" w7 aof an LED source (package/array/module)$ y9 {/ m9 o, ^6 u; F4 V" n4 Y( h
….. Which can then be used to project
! A- {! _4 M) S0 sthe expected lumen output of the source $ ^$ z, b6 A5 ]$ M: A4 z. J
as part of a system (fixture) |
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