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10-11 lumens per watt for incandescent bulbs
13-14 lumens per watt for halogen
50-60 lumens per watt for fluorescent
Wiki User
∙ 10y ago
Wiki User
∙ 8y agoIt depends on the bulb. The lumen output should be indicated on its packaging.
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What is a lumen How does it relate to watts?
A lumen is a unit of luminous flux, which is the amount of light emitted per unit time. A watt is a unit of power (such as electrical power), which is the amount of energy consumed per unit time. Light bulbs have ratings in watts, which measures how much electricity they use, and lumens, which measures how much light they give off. For the same kind of bulb (incandescent, fluorescent, LED, etc.), a bulb with a higher wattage will produce more lumens. However, a 10-watt LED or compact fluorescent bulb may produce more lumens than a 40-watt incandescent bulb.
How bright is 950 lumens?
220 lumens is equal to a tungsten incandescent light bulb of 15 watts. Halogen lamp 20 watts. Fluorescent lamp 60 watts. LED lamp 60 watts. high pressure sodium vapour lamp 117 watts. Mercury vapour lamp 50 watts or 17.32 candle power
Can you use a 36 watt fuse for a 40 watt fluorescent bulb?
Fuses are not rated in wattage, they are rated in amperage and voltage.
Is there a danger of using higher watt compact fluorescent bulbs in a lamp for example 100 watt equivalent vs 60 watt equivalent?
Not in the least, and you will still save money. A 100W equivalent will use only 20 to 25 watts, well below the 60W rating of your fixture. Much of the 60W used by the incandecent bulb is dissipated in heat. This is where the danger in over-watting fixtures lies.
Can I put a UV bulb to power a lava lamp?
The dark black incandescent type UV bulbs will work as they actually get hotter than the equivalent standard incandescent bulb of the same wattage, but the compact fluorescent type UV bulbs run too cool.
Lumens in a 50 watt bulb?
It depends on the specific lamp. The packaging the lamp comes in should tell you what the lumen output is. This in a common question as people want to compare LED replacements. You can use 600 lumen as a good guide for comparison for a 50 Watt halogen.
How many lumen's are in a 5 watt led lamp?
25
What is the lumen's of a 70 watt metal halide lamp?
6000lm
Can 32 watt t12 fluorescent lamps be used where a 40 watt t12 fluorescent lamp was used?
Yes, these lamps can be interchanged.
How many lumen in a 25 watt incandescent light bulb?
a 100W incandescent lamp emits 120 candela.lumen is the unit for luminous intensity per steradian ,an lamp emits in all directiontherefore a 16.25watt lamp contains 19.5 lumenAnswerThe lumen is the SI unit for luminous flux -which describes the output power of visible light expressed in photometric units. The ratio of a lamp's output luminous flux to its input power is termed 'efficacy', expressed in lumens per watt. The efficacy for incandescent lamp varies from 5-15 lumens per watt. So the output of a 16.25-W incandescent lamp will be between 80-245 W.
What is brighter 2000 lumen watt bulb or a 1500 lumen bulb?
This question is ill posed. Lumen is a unit of measure for how much light comes from the lamp Watt is a unit of measure for how much energy is used by the lamp If the question were; "Which is brighter, a 2000 lumen bulb or a 1500 lumen bulb?" then the answer would be: The 2000 lumen bulb. I think the relation ship between lumen and watt is something like: Incandecent bulbs are 15w/lumen Flourecent bulbs use 40w/lumen LED bulbs are 70w/lumen The way to show the watt and lumen relationship is usually lumens (amount of light) per watt (energy consumption). This is like gas in your car (Miles or KM per Gallon or Liter). Incandescent bulbs have a maximum luminosity of 52 lumens/watt. Fluorescent bulbs range from 46 lumens/watt (CFL) to 100 lumens/watt (T5 and T8 tubes) LED bulbs range from 29 lumens/watt (older, low efficiency) to 100+ (XCree) and they are getting better.
How many lumen output in a 50 watt power led?
Typically power leds operate as 1-2 watt units. 50 watt is a little excessive for a single led: it would have to be an array. The light output that can be achieved in normal use appears to range from 80-120 lumen/watt, so I guess the answer would be something like 4000-6000 lumen!
What is the lumens of 30W halogen?
Amps * Volts = Watts Since you know the Watts, determine your voltage to determine the Amps. For example, if you are using 120 volts: Amps * 120 = 30 and from basic algebra Amps = 30/120 Amps = .25
What is the lumen output of a 60W incandescent bulb?
The output of bulbs varies. A typical output of a 60W incandescent bulb is 680 lumens.
What is the lumen output for a 52 Watt halogen bulb?
Should be about 850 lumens. The same brightness is produced by a 15 watt CFL.
How do you transfer watt to lumen?
When measuring light, the lumen and the watt both measure power -i.e. the rate at which electromagnetic energy is emitted (for visible light, this 'power' is termed 'luminous flux'). Although they are both SI units, one (the lumen) is used in the photometric system of measurement, whereas the other (the watt) is used in the radiometric system of measurement. Whereas the watt is used to measure the total rate at which electromagnetic energy is emitted from a light source, the lumen is used to measure only the visible part of the spectrum and, then, corrected for the sensitivity of the human eye (the eye is most sensitive to the green part of the visible spectrum. The watt, of course, can also be used to measure the input power to a lamp.In the radiometric system, the input and output powers of a light are each expressed in watts, but in the photometric system, the input power of a light is expressed in watts, but the output power (luminous flux) is expressed in lumens. The ratio of a light's output (in lumens) to input (in watts) power, is termed efficacy (NOT 'efficiency'), and it various according to the type of light. An incandescent lamp, for example, has an efficacy of up to about 15 lumens per watt, whereas a fluorescent lamp has an efficacy of around 50 or so lumens per watt.
Can you use a 65 watt fluorescent bulb in a metal halide light fixture?
No, the ballast's output is not matched to operate a fluorescent bulb.
