Description

IES LM-11 – Approved Method: Photometric Measurement of Searchlights Using Incandescent or HID Sources

This Approved Method applies to lighting equipment having a total field angle of less than ten degrees. This includes equipment in which light is controlled by reflectors, lenses, or their combinations. The document applies to projectors with a variety of light sources, including tungsten filament, tungsten-halogen, and high intensity discharge lamps. It does not apply to projector systems composed of arrays of light emitting diodes.

Product Details

Published:

02/07/2020

ISBN(s):

9780879950125

ANSI:

ANSI Approved

Number of Pages:

31

File Size:

1 file , 2.4 MB

Note:

This product is unavailable in Ukraine, Russia, Belarus