![]() ![]() Many companies have a standard for how many footcandles (or lux) are required for a particular area within their industrial or office workspace. In practice, this is the measurement of most interest to people because it lessens the importance of how many lumens are emitted from a light source and the question of how efficiently a light fixture delivers the emitted lumens to a work surface. Both quantify the amount of light falling on a specific point or object. ![]() Footcandles and Luxįootcandles is the Imperial measurement and Lux is the Metric measurement of the same thing. In other words, comparing lumens between technologies is not an apples-to-apples comparison because most LED fixtures are much more efficient in delivery of lumens to a work surface than older technology light sources. light) towards the work surface. Therefore, it’s likely you do not need the same quantity of lumens emitted from a directional LED light fixture as you would with a traditional omnidirectional light fixture in order to achieve the same quantity of light on a work surface. An LED fixture generally does not have the need for a reflector (not necessarily the case with an LED light bulb) rather, it efficiently directs the emitted lumens (e.g. lumens) where you need it.īy design, an LED light fixture emits light in a particular direction. This is not the most efficient way to channel light (e.g. So, these light sources are surrounded by a reflector which is intended to capture as much of the emitted light as possible and redirect it downward. If this type of light bulb was hanging suspended from a ceiling truss by itself, a significant amount of its light wouldn’t be directed downward towards the work surface where it’s most needed in an industrial production environment. These technologies convert electricity into photons of light and emit light, quantified as lumens, in all directions around the bulb (e.g. Or, a gas-based fluorescent bulb that lights when an electrical current excites mercury vapor and causes its phosphors to glow. Traditional lighting technology is typically a filament-based light bulb, such as an incandescent, halogen or metal halide bulb. Lumens are defined as a measure of the total amount of light emitted from a source. Understanding the terminology and differences in today’s vs yesterday’s lighting technologies will help you choose the right fixture for your application. When a customer is evaluating lighting technology, a common question asked is “how bright is the light?” As lighting technology changes, the standard measurement of “brightness” for traditional lighting technologies isn’t always the most useful in determining how much light you need using today’s LED technology. ![]() Lumen vs Footcandle vs Lux How Bright is the Light? Illuminated Task Lights Needs Assessment.Proper Industrial LED Lighting Improves Worker Safety. ![]()
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