|
• TM-21 does not determine traditional life or 5 }) h5 e8 J: g/ E2 J
“time to failure” of an LED Lighting system
1 L% A* }- p* r6 v5 _& V– The useful life of an LED system has many ( {( V( `0 N$ X9 a' v
components that need to be considered + c$ U; f0 |% {
(lamp, driver, lens, etc.)
' i1 a4 `( a, I– LEDs degrade (like all light sources) but for ) p* x/ X, x, t" s
potentially very long periods of time. Instead
5 \5 ^5 m: a5 K7 X/ S; sof outright failure, LEDs will eventually dim
: q/ ?3 U0 e$ J2 V" t; s: tto a point that is too low to serve their % d( a# G/ u4 g+ O; c
purpose
: P+ D8 n3 \4 ~6 }5 |• TM-21 does project the lumen maintenance 4 r4 Y' N `! }) v n) [
of an LED source (package/array/module)# k3 {7 V6 h2 V h
….. Which can then be used to project # k9 L+ _, P/ F4 W9 n8 b
the expected lumen output of the source * [7 A) N: {* B* }2 ]
as part of a system (fixture) |
|