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1 watt equal to how many lux?
Lux is a measure of illuminance, or the amount of light hitting a surface. Watts, on the other hand, are a measure of power. The relationship between watts and lux depends on the characteristics of the light source and the distance from the source to the surface. In general, there is no direct conversion between watts and lux.
How many lumens on sunny day?
The illuminance of direct sunlight is approximately 100,000 lux, but normal daylight, which is filtered through a cloudy sky, is between 5,000 and 10,000 lux, while moonlight can be as little as 0.25 lux. About 1000 Lumen is equal to direct bright daylight .
How do you calculate a lux level in a room?
Light Level or Illuminance, is the total luminous flux incident on a surface, per unit area. The work plane is where the most important tasks in the room or space are performed.Measuring Units Light Level - IlluminanceIllumenance is measured in foot candles (ftcd, fc, fcd) (or lux in the metric SI system). A foot candle is actually one lumen of light density per square foot, one lux is one lumen per square meter. 1 lux = 0.0929 foot candle = 1 lumen /sq meter = 0.0001 phot1 ftcd = 1 lux / 10.7521 lumen/sq ft = 1 foot candle = 1x104 lux = 1 phot
How many candelas equals 1 lux?
They really aren't equal because they measure two different things. However, they are related to each other.The Candela is the measure of the luminous intensity of a light source. A higher Candela number means a brighter light. Lux is a measurement of light density and means lumens per square meter. Again, a greater number of lux means that the surface being illuminated by the light is is receiving more light per square meter.The formula for calculating the conversion of candelas to lux is E = I/(D*D) where E is the Illuminance of the the surface in lumens per square meter (lux), I is the Intensity of the the light source in Candelas and of course (D*D) is the square of the distance from the light source in meters.Therefore 1 Candela will illuminate a surface with 1 Lux only at one meter from a light source. At different distances it will illuminate to different densities of light.For example: Solving for E, that same one candela light source would only read 1/4 lux at two meters [ 1/(2*2)] and 1/16 lux at four meters [1/(4*4)].If you know the lux at a given distance in meters from the light source you can solve for I and it will give you the intensity of the light in Candelas. From that you can calculate the intensity of the light.For example: Solving for I, multiply the lux times the square of the distance in meters and you will have the intensity of the light source in Candelas.So a reading of 8 lux at a distance of 3 meters would mean that the light source has an intensity of 8*3*3 or 72 candelas.
What do you use to measure light?
there is an instrument called lux meter. i believe that it works with a complex electronics circuitry using light sensitive devices. it directly gives the reading in lux.
Which r the 3 most famous soap brands?
Dove, Ivory, Lux
Which are the product of hindustan unilever ltd?
close up, lux, bru tea ,Lipton,dove soap, rexona, 3 roses
How is lux soap prepared in industry?
how to prepare lux soap
When was Lux - soap - created?
Lux - soap - was created in 1899.
Customer benefits of lux soap?
theory of lux
Minimum manufacturing cost of lux soap?
manufacturing cost of lux soap
Is Lux soap good?
Yes Lux soap is good but also it cam nake your skin dry
Which new lux soap arrived in 2012?
Purple lux
Which Lux soap arrived 2012 In bangladesh?
purple Lux
Where can one purchase Lux soap?
Lux soap can be purchased in your local cosmetic shop and/or supermarket. Another possibility is to purchase online through Amazon and/or eBay. Wholesales or outlets are an excellent opportunity to buy Lux soap.
Is rambha is brandambassdor of lux soap?
no she was not...
Who are the competitors of vivel soap?
It is Lux.
