you’ll need roughly 5,000 lumens as your primary light source (20 lumens x 250 square feet). In your dining room, you’ll want about 30 lumens per square foot on your dining table (you want to see your food, but not examine it), so if your table is 6 x 3 feet, that’s 540...
Foot-candle (fc) Measurement unit for illuminance, or lumens per unit of area. One foot-candle is equivalent to one lumen per square foot (See Illuminance). Frosted Lens A white lens that is translucent but not transparent, which diffuses the output of a lamp. ...
Data projector brightness is measured in lumens. A lumen is a measure of the brightness of a light source. One lux is one lumen per square meter. One lumen is one candela per square radian (to measure the light travelling outwards from a light source). Cinema screen brightness is measured...
As you know, foot-candles are a metric equivalent of lumens, and this information may be found on every light source today. To calculate your need in foot-candles, you should divide the number by 0.929, and this way you will have the lumen equivalent. 20 lumens per square foot is a go...
First, be sure to provide ample general lighting throughout the retail boutique. The Lighting Research Center recommends 1.5 to 2.5 lumens of ambient lighting per square foot of retail space. There are countless ambient lighting options available, from basic ceiling troffers and classic recessed light...
1 lux = 1 lumen per square meter. This is equivalent to: 1 lux = 0.0929 lumens per square foot. PAR/ PUR PAR is the abbreviation for Photosynthetically Active Radiation in the spectral range of 400 to 700 nanometers. This is the range that is needed by plants and symbiotic Zooxanthellae...
It is expressed as lumens per square foot (footcandles), or lumens per square meter (lux). INDIRECT GLARE Glare produced from a reflective surface. KELVIN TEMPERATURE Term and symbol (K) used to indicate the comparative colour appearance of a light source when compared to a theoretical ...
Foot-candles are a measurement of light at an illuminated object. Lumen is a metric equivalent to foot-candles in that it ismeasured at an object you want to illuminate. Luminous flux or luminous power = lumen (cd·sr) LUX is an abbreviation for Lumens per square meter. Foot-candles ...
The ultra-advanced light technology is surprisingly cheap. Digital Lumens estimates that customers with facilities averaging a quarter of a million to 1 million square feet will pay 10 cents per square foot for lighting each year. With regular fixtures, customers will pay an average of one dollar...
This is why we tell you to replace your metal halides with LEDs using lumens and not watts.Foot CandleA foot candle refers to one lumen per square foot and measures light intensity. A lighting plan is performed to generate data on the foot candles and quantity of light for any particular ...