[9.4.9.2.7] The ratio of the lumens of a high intensity discharge (HID) lamp in a given operating position to the lumens when the lamp is operated in the position at which the lamp lumens are rated.
« Back to Definitions Index
[9.4.9.2.7] The ratio of the lumens of a high intensity discharge (HID) lamp in a given operating position to the lumens when the lamp is operated in the position at which the lamp lumens are rated.
« Back to Definitions Index