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Homepage>IEC Standards>IEC TR 61341:2010 - Method of measurement of centre beam intensity and beam angle(s) of reflector lamps
download between 0-24 hoursReleased: 2010-02-18
IEC TR 61341:2010 - Method of measurement of centre beam intensity and beam angle(s) of reflector lamps

IEC TR 61341:2010

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

Méthode de mesure de l'intensité dans l'axe du faisceau et de l'angle (ou des angles) d'ouverture des lampes à réflecteur

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Standard number:IEC TR 61341:2010
Released:2010-02-18
Language:English/French - Bilingual
DESCRIPTION

IEC TR 61341:2010

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).