| 6.1.3.2. |
In order to protect the standard (étalon) filament lamp during the process of photometric measurement it is permissible to carry out the measurements at a luminous flux that differs from the reference luminous flux at 13.2 V. If the Technical Service chooses to carry out measurements in such a manner, the luminous intensity shall be corrected by multiplying the measured value by the individual factor F lamp of the standard (étalon) filament lamp in order to verify the compliance with the photometric requirements where: |
a0c0 |