CFL Light Bulbs

They are being improved light bulbs. The new bulbs – such as halogen incandescent, compact fluorescent lamps (CFL for its acronym in English) and light emitting diodes (LED for its acronym in English) – have a longer shelf life and use less energy than incandescent bulbs traditional, saving you on electricity bills. In fact, from 2012, daily use bulbs will have to meet the new standards of the Department of Energy with respect to the amount of energy they consume. Over the next two years, it will eliminate any bulb that does not meet these standards.

Along with this change using more efficient light bulbs, a new way to select them when you go shopping.

What are lumens?

 

For years, people have chosen basing bulbs in Watts, learning from experience how much light bulb gives a typical 40 or 60 watts. But the wattage of a light bulb consumes only tells you how much energy – does not tell you how much shine.

Since the new bulbs are designed to consume less energy, the wattage is no longer trusted by measuring the brightness of a light bulb – you have to use the lumens.

lumens brightness =
watts = power

Lumens measure the brightness. For example, a standard 60-watt incandescent bulb produces 800 lumens. Instead, a CFL produces 800 lumens and consumes less 15W.

CFL Light Bulbs 1

The brightness of the bulbs

This table indicates the number of lumens produced by traditional incandescent bulbs. If you want to buy a bulb that gives shine before giving him a 60-watt bulb, you will now have to look for a bulb 800 lumens.

You can use the lumens to compare the brightness of any bulb, regardless of the technology used and regardless of whether it is a halogen incandescent, CFL or LED. Using lumens allows you to compare the brightness of the bulbs when this cart. Once you know the brightness you want, you can compare other factors, such as the annual energy cost.

CFL Light Bulbs 2

A label that will help you make the purchase

When looking to buy a light bulb, you should also think about how it seems the light emitted, or color. The appearance varies in a range from warm to cold. A warm light looks more yellow, like a traditional incandescent bulb, while a cold light looks blue.

For the appearance of lighting a bulb, check the label Data Lighting package. The Lighting Facts label gives you the information needed to compare different types of bulbs. He says,

  • Brightness (lumens)
  • estimated annual energy cost
  • Duration or expected life of the bulb (in years)
  • Lighting appearance (how hot or cold the light will be)
  • Wattage (energy used)
  • If the bulb contains mercury

Maybe the label also includes the Energy Star logo if the bulb meets the functionality and efficiency standards issued by the Environmental Protection Agency and the Energy Star program of the US Department of Energy. To learn more about the Energy Star standards, visit  energystar.gov/espanol .

the label on Lighting Facts be found in most home use bulbs from the year 2012.

CFL Light Bulbs 3

In the bulb

The number of lumens is indicated by printed on the bulb. If a CFL, this may indicated at the base of the bulb. CFLs also include an internet address,  epa.gov/cfl for information about recycling and disposal.CFLs contain mercury, so care and attention for cleaning and disposal of them is required.

And here I present another device to take measurements of light bulbs.

In this case it is a scale of precision which I will use to weigh light bulbs and apply the classic phrase:

“if something weighs is good”

The scale bought it in dx.com €20.51, and it can weigh up to 500 g with an accuracy of 1 gram, although the display shows up to hundredths of a gram (there are other cheap, small models but that can weigh only up to 100 or 200 grams):

With this scale I would add weight to the characteristics of each light bulb tab and to serve as additional information of how much “plastic” or “metal” may have inside each one.

Lately more and more begin to see light bulbs that “it seems who do not weigh anything” sounds “hollow” and which are often made entirely of plastic to save costs while not even mount a heatsink for the leds.

If between two bulbs similar one weighs more that the other, now I can actually measuring which is the difference and will be an indicator that have been used less plastic and more metallic material e.g. sink or for the driver electronics components.

Therefore in principle a light bulb that weigh more than other possible be of better quality.

By way of example, I put the weight of two bulbs Osram 806 lumens to see as even within the same brand light bulbs have been “losing weight” over time and it is a clear example of how increasingly led bulbs appear to be of lower quality for lower costs:

Bulb Osram Advanced 10W I bought over 2 years ago by almost €20 weighs 147 gr and the bulb Osram 9.5W recently bought for €4 weighs less than 62 gr which is less than half.

From now on I will be adding the weight of each bulb in your data sheet and create a ranking of bulbs by weight.

Gallery

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