CHAPTER

Light fixtures: The HMI arsenal

8

METAL HALIDE ARC LIGHTS: “HMI”

Unlike a filament lamp, a metal halide arc lamp, commonly know as an HMI,1 generates light by creating an electrical discharge between two electrodes held a short distance apart from one another within a quartz envelope. The lamp produces a color spectrum of daylight-balanced light—5600 or 6000 K, depending on the globe manufacturer. Manufacturers have developed a full range of light fixtures that use metal halide arcs lamps, including: Fresnel fixtures, pars, beam projectors, follow spots, open-face lights, softlights, moving lights, ellipsoidal spot lights, lantern lights, underwater light, and small battery-powered sunguns, as well as other unique fixtures. ...

Get Set Lighting Technician's Handbook, 4th Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.