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

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PDSH 980 ) V, X/ X( y/ c4 r5 j

Rated lumen output for emergency safety sign using LED lamp array as light source 5 l6 z; k* ^: W& R, c5 n) L0 E

22.16.1

60598-2-22(ed.3);am1;am2

Standard(s):
, O( v, |: ~& W2 _5 ^! u* Q2 vIEC 60598-2-22/1997 A1/2002 A2/2008
Subclause(s): 22.16.1
4 l) U1 Y$ l" x* S, [% CNo. Year PDSH 0980 2010
; X$ B- F" h% l% gCategory: LITE Developed by: ETF5 OSM/LUM
2 f0 d7 k8 V+ A# OSubject:
Rated lumen output for emergency safety sign using LED lamp array as light source
1 c0 s" F* m- e% b! V0 e: xKey words:
  F: q* K4 @: _+ e4 Q; E- Lumen output
- LED lamp
' `! _8 w/ d1 n- Reference lamps
To be approved at the 49th CTL Plenary Meeting, in
2012
) Z5 D: j0 ^. G+ O: pQuestion:
6 o- R0 G2 s. Z/ N% P$ ESome emergency luminaires use LED lamp array as light source. Please advise on the correct method of
measuring lumen output of such a LED lamp (or lamp array). What kind of reference lamps can we use to
measure lumen output of the LED lamp (or lamp array)?
Decision:
* F2 B/ ^4 j7 I7 E: yThe use of LEDs for emergency lighting signs has been questioned within IEC SC 34D/WG/LUMEX
! Q# x# M3 u9 i; B- |* j2 _with the result that the WG should consider LEDs in a forthcoming edition of IEC 60598-2-22
- l, Z* k0 Y4 |5 M8 D  u  k(measurements methods, reference lamps etc.).
If an Ulbricht integrating sphere is used, the used reference light source shall be of an output lumen value
% R9 i) P3 q. yand light colour that is close as possible to the nominal claimed output and light colour of the sample
under test.
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