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EN 61341:2011

Current
Current

The latest, up-to-date edition.

Method of measurement of centre beam intensity and beam angle(s) of reflector lamps
Published date

08-07-2011

IEC/TR 61341:2010 describes the method of measuring and specifying the centre beam intensity and the associated beam angle(s) of reflector lamps. It applies to:- incandescent,- tungsten halogen,- gas-discharge and LED based reflector lamps for general lighting purposes. It does not apply to lamps for special purposes such as projection lamps. This second edition cancels and replaces the first edition published in 1994 and constitutes a technical revision. Due to the increasing use of reflector equipped LED lamps, the scope has been broadened and measurement conditions been included in order to take account of these lamps. Further, for easier understanding of the relation between the different axis and different intensities, two figures have been added. The luminous intensity distribution shall be reported instead of the centre beam intensity, if the latter is very low ("butterfly" distributions).

Committee
CLC/TC 34
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

Standards Relationship
NEN EN IEC 61341 : 2011 Identical
PN EN 61341 : 2011 Identical
NBN EN 61341 : 2011 Identical
CEI EN 61341 : 2012 Identical
DIN EN 61341:2012-08 Identical
NF EN 61341 : 2012 Identical
UNE-EN 61341:2012 Identical
BS EN 61341:2011 Identical
IEC TR 61341:2010 Identical
I.S. EN 61341:2011 Identical

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