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What else can I help you with?
What is the lumen output for a 100 watt fluorescent lamp?
10-11 lumens per watt for incandescent bulbs 13-14 lumens per watt for halogen 50-60 lumens per watt for fluorescent
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.
What is the lumen output for a 35W halogen?
It varies from about 600 to 1100 lumens. Typically the higher the lumens output, the shorter the lifespan of the globe. Have a look at this list of globes for purchase whih shows wattage and lumens: http://1000bulbs.com/category/75-watt-incandescent-standard-shape-light-bulbs/
What is the lumen output of a 30W LED flood light?
Generally lumen is a measure of the total amount visible light form a lamp or light source. LEDs are about the same as CFLs, producing about 50 lumens per watt, compared to 10 lumens for incandescent bulbs or 13 lumens for halogen.
What is the LED equivalent of a 35 Watt halogen bulb?
Incandescents produce 10 lumens per watt, halogens about 13 lumens per watt, fluorescents and LEDs 40-50 lumens per watt. Lumens measure the brightness, watts measure the speed at which electrical energy is used.
Compare lumen's per watt in incandescent vs LED?
To determine the answer you need to know the efficacy (luminous flux) of the LED light which may range from 30-90. You can use 60 for an average. Multiply the watts from an incandescent bulb - what you are familiar with - say 40 watts x the LED luminous flux 60 = comparable lumens of about 2400 to see the same brightness.
How do the types of light bulbs compare?
The main types are: Incandescent 10 lumens per watt Halogen 13 lumens per watt Fluorescent 40-50 lumens per watt LED 40-60 lumens per watt Lumens measures the brightness, watts measures the electric power used.
What does A 170 lumen flashlight equal in a watt flashlight?
The energy consumption of a modern Cree XP-G or XM-L based flashlight with 170 lumen output can be as low as 1.4 watts with 120 and more lumen per watt. The light output will be approximately equal to a 20 W tungsten incandescent light bulb or a 10 W halogen light.
How fast do the lumens decrease in an incandescent bulb?
Very quickly, less than 1/10 second. Incandescent bulbs produce only about 10 lumens per watt of power, with the halogen type producing abiut 1 lumens/watt. Low-energy bulbs and LEDs produce about 50-60 lumens per watt.
How many lumens in a 20 watt halogen bulb?
Approximately 15 lumens per watt for halogen, so 300 lumens.
How many lumens are in a 60 watt incandescent bulb?
Depends on the bulbs efficiency. The ones I've gotten in the past few years are between 700-800 lumens. Check the packaging, it should state.
Why are LED light bulbs good?
LEDs use the smallest amount of electrical power to produce a given amount of light. Approximate data: Incandescent 12 lumens per watt Halogen: 15-17 lumens per watt CFL: 50 lumens per watt LED: 80 lumens per watt Sodium lights as used in street lighting produce 100-200 lumens per watt.
