Quartz discharge tube containing high-pressure mercury and a mixture of Sodium and Scandium halides, which contribute to multi-lines spectra; with Ar to aid ignition. Better colour rendering index around 60 Luminous efficacy up to 90 lm/W Low wattage
Quartz discharge tube containing high-pressure mercury and a mixture of Sodium and Scandium halides, which contribute to multi-lines spectra; with Ar to aid ignition. Better colour rendering index around 60 Luminous efficacy up to 90 lm/W Low wattage lamps with extra quartz tube around DT to prevent the risk of outer bulb shattering when abnormal operated or to the end of life. Universal operation position permitted