EEI = Pcor / PRef
mit Pcor = Rated power · correction factor
und PRef = Reference power, derived from useful luminous flux by formula
Further Information on the label
Lamps Label
I Name or trademark of supplier
II Model code of supplier (alphanumeric code)
'weighted energy consumption' Ec
Luminaires Label
I Name or trade mark supplier (Radium)
II Model code of supplier (alphanumeric code e.g. EAN)
III notification, which lamp / light source may be operated in the luminaire.
IV notification, which energy efficiency class the used light source may have.
V e.g. supplied exchangeable light source