OSRAM NAV-T 1000W 400V
The high pressure sodium lamp NAV-T 1000W by Osram offers a high luminous efficacy. Compared to usual NAV-T Lamps it produces 20% more light while providing the same colorrange and areas of application of normal NAV-T 4Y Lamps. The maintenance cycle of these lamps avaerages at three years when used 11 hours a day. This adds up to an average life time of approximately 20.000 hours.