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[LITE] PDSH 980 Rated lumen output for emergency safety sign using LED lamp array as

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发表于 2012-9-15 16:31 | 显示全部楼层 |阅读模式
广东安规检测
有限公司提供:
PDSH 980
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Rated lumen output for emergency safety sign using LED lamp array as light source2 l5 X" x2 f; o- _7 x7 G  R0 U: K
22.16.17 X  m; ^. ?3 d# ^  }' ^4 s& B: u
60598-2-22(ed.3);am1;am2
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/ R6 e* h" J; Z, C! V% w. B, h  R
Standard(s):# C- C$ ~, T$ @0 D! L2 U
IEC 60598-2-22/1997 A1/2002 A2/2008
3 O6 M/ j# @' e* zSubclause(s): 22.16.1
' A. N  x" l1 A% d2 ENo. Year PDSH 0980 2010  Z7 d0 q' |, {: T+ A9 A
Category: LITE Developed by: ETF5 OSM/LUM
. G7 p5 f, `, j4 ~1 [4 uSubject:
. y5 V4 y/ P( Z! y1 O0 p  QRated lumen output for emergency safety sign using LED lamp array as light source
4 d0 D+ b; ~( C0 y) g, |& F: y& KKey words:
) U( d! J/ n0 g- }% l- Lumen output! s# ~8 \  p+ `  l
- LED lamp( ]3 f2 M5 E0 L3 q3 X
- Reference lamps
, k# R% W% B$ v/ _To be approved at the 49th CTL Plenary Meeting, in3 e' f7 G4 k3 I
2012: k" A# q9 s) N
Question:0 L- q9 b! ]$ E' N. a* b! Z
Some emergency luminaires use LED lamp array as light source. Please advise on the correct method of8 r; k8 d1 y9 I
measuring lumen output of such a LED lamp (or lamp array). What kind of reference lamps can we use to% B5 n% F* A& ~! X  [4 x2 P: g
measure lumen output of the LED lamp (or lamp array)?7 ~  L4 r) B, i7 j0 X1 A* n/ L
Decision:8 H* @8 l$ ~/ u0 U0 h4 D7 h  k
The use of LEDs for emergency lighting signs has been questioned within IEC SC 34D/WG/LUMEX
1 j. ?; I; d  z) E5 bwith the result that the WG should consider LEDs in a forthcoming edition of IEC 60598-2-22
- R4 H# q7 i, n$ ~* R9 i(measurements methods, reference lamps etc.).1 }; v' W* u+ r$ D: X( M( k
If an Ulbricht integrating sphere is used, the used reference light source shall be of an output lumen value
0 h% F! g* o& nand light colour that is close as possible to the nominal claimed output and light colour of the sample
7 H1 u* ~& Y/ N/ Y& w/ h* l7 b6 t% Gunder test.
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