1 Scope
This European Standard establishes general principles for the measurement of basic
photometric data for lighting application purposes.
It establishes the measurement criteria needed for the standardisation of basic photometric
data and details of the CEN file format for electronic data transfer.
This is part 1 of a multi part standard. Part 1 deals with the basic photometric measurement
and file format. Other parts deal with lamps and luminiares data depending on the
applications.