NEMA’s shipment indexes for high intensity discharge (HID) lamps returned to positive growth territory during the first quarter of 2012, with each lamp type showing year-over-year gains following negative growth to close out the final ...
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Sentry Electric,one of North America's oldest and most knowledgeable manufacturers of outdoor lighting,has extended its broad offering of decorative luminaires with a new lamp/ballast combination that helps to reduce the luminaire's total ...
Tags: Sentry Electric, outdoor lighting, solid state technology
There are physiological disadvantages to HID auto headlamps that do not exist with glowing-filament lamps. Probably the biggest issue is HID headlamps' significantly worse color rendering index (CRI), which is in the high-60s to ...
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High-intensity discharge lamps (HID lamps) are a type of electrical lamp which produces light by means of an electric arc between tungsten electrodes housed inside a translucent or transparent fused quartz or fused alumina arc tube. This ...
Tags: HID
Incandescent The flashlight on the left uses an incandescent bulb, while the one on the right uses LEDs to give white, red, blue, and infrared lightIncandescent flashlights use incandescent light bulbs which consists of a glass bulb and a ...
Tags: Flashlight