OSRAM POWERTRONIC PT-FIT I ECG for HID lamps, with cable clamp - Manual (Page 41)

7. Glossary of key words
GLOSSARY OF KEY WORDS
3DIM DALI ® , StepDIM and AstroDIM
CT Color temperature
DA DALI ®
EMC Electromagnetic compatibility
EoL End of Life
ETA Lamp luminous effi cacy
ETA sys Luminous effi cacy of lamp + control gear
HCI Metal halide lamp with ceramic burner
HQI Metal halide lamp with quartz glass burner
HS High-pressure sodium lamp
MH Metal halide lamp
NAV Sodium vapor high-pressure discharge lamp
PFC Power factor correction
PHI Luminous fl ux
PL Lamp wattage
PS Wattage of system (lamp + control gear)
Ra Color rendering
SD StepDIM
t
a
Ambient temperature
t
c
Temperature at t
c
point
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