Λαμπτήρες ατμών υδραργύρου υψηλής πίεσης

Specifies methods of test for electrical and luminous characteristics for lamps with or without a red correcting fluorescent coating as well as a method of measurement of the red ratio. The starting and operating reference ballast characteristics and lamp dimensions are presented on individual loose-leaf sheets for easy up-dating and the addition of new lamp characteristics.