Hello to you,
you are going to make fun of the old architect's house that I am!
I just bought at
bed wingA ceiling lighting fixture on foot 56 12 power LED reading light with LEDs next generation or 68 LEDs for € 80 well I can tell you that the ceiling lighting is ample for the atmosphere and the reading light is widely illuminating.
All for less than 10 w .... and a tiny external process of 240V output 24 0.65 VDC and A ...
That is the demand of the people ! more? ... I chose this lamp for its aesthetic is very design.
If we do this little calculation which is not even learned to Marseille (while noting that at full speed - test 4 hours - the transformer is cold so the intensity (at random but rest assured I'll check. scientifriquement ..!) must not exceed 400mA / h, LED s slightly warm (this is especially not good for them boil an egg!) it gives x 0.4 24 9,6 Vcc = W / h ... must qd same not make any cheese! .. no?
Besides, believe me, it was to replace a halogen 500 W up to drive without reading light and my eyes in p.ne hole because I paid very low drive for not spending too much 'energy.
All that has been said is just ... it depends on where you put the bulbs, how much, in what we put them and the lighting is desired, both in atmosphere and direction to ... times, this is art.
The technical details? (Although I have a powerful light meter that allows me to do forensic examinations especially in the tertiary and industrial) and well! I leave that to the experts nitpicking 1 / 4 wadding, pignoleurs to the conso miliwatesque!
I'm doing calculations at random and I speculate a max!
historical small:
1) incandescence was 40 60 W to W or 80 / 100 W farting all to 1 2 years max.
2) halogens vary from 20 W / 12V for desktop lamps 500 W / V 220 for pedestal washbasins through the 150 250 W and W which get cooked every year (if not less)
3) low conso (fluo = toxic and ozone layer grinder ... to shorten) 7.5 W to 36 W that last 3 years max.
4) LED bulbs 4 8 W (instead of 1,5 3 to W announced) not enough perspective .. but 2 years and not one of flinguée.
I do not speak of the optical fiber which is a real dust mrede .. crappy lighting, heating generator, prohibitively expensive ... Anyway! everything is there for you in disgust.
My multi-decennial experience (pifométrique measures but measures still with voltmeter / ammeter / light meter and everything):
Well, compared to incandescence by installing low conso in my house made me earn half (this is a minimum) of my bill lighting.
Now I put LEDs everywhere (almost) since 2 years and ... it works (very few LED bullshit .. in fact one ... upon receipt of among Chinese who have not hesitated to me change it), well there? .. I still divides the notes 2!
Good! ... Not quite ... because I took the opportunity to add some ... history liven the atmosphere, rather than keeping the POV of 18 W fluorescent loupiote alone in the middle of the ceiling and the 2 7.5 to apply sickly W swaying after them over!
Y still no picture for the LED! No ?
In addition, I "speculate" on the fact that not only will these products improve technically each year that comes (just see when this tutorial was initiated!), But above all that they will drop in price.
As a replacement (if something goes wrong or not) does not scare me at all! Sorry!
Hold ! is it in
Hâle10
http://www.aldi.fr/OFFER_F_MI/OFFER_03/OFF13.SHTML
Small precision profile: 35 years ago I had with my exterior lighting and garden with toroidal transformers and 120 w jalopy lights (I was young penniless ... that forge the individual and .. I even was recovering grilled stop flashing bulbs with integrated filament, like I change very little I do not remember if the pilot .. me finally!) ...
Incredible longevity compared to halogen 500w PER 150 w of the time ... well ... let 3 or 4 years Min! It still works perfectly.
Conso? .. do the math yourself, the transformers cashing blithely 140 W without moufeter since 35 years!
Warning: although some oversights or teufs the meter was rotated for one or more nights I had to change some more inevitable rapidement..c'est. Uh ... € 1,30 2 in the
Carrouf ? .. It does! .. No?. Good! it is not reasonable ... 2 or 3 hours / day ç'est well enough.
I also installed some halogen 220v of 250W ... CATA! .. It should be changed every 8 months, even before when it was badly made! They went in the trash.
Also, LED luminions with solar charging ... the Mrede! 2 with NiMh batteries of 600mA I replaced with 2,5 A ... it allowed me to add a LED power thing ... but hey! .. it's not that! It's good to mark a path but no more.
Precisely at the moment (that's what made me fall on this excellent Tuto), I take care of an illuminated entry / hallway and staircase in an old cage immmeuble of 5 floors (60w lamps that let go all the time because of the timer) and the electricity is not consistent at all. Well, I can tell you we will replace them with LEDs.
Yes! ... I push open doors.
Now ! Sorry to have shocked you but, to be honest with you, I recognize that you ask the right questions and that thanks to people like you, who do serious and well explained tests, I really enjoyed myself during 3 h to read the posts.
Well .. thanks to you, I say, manufacturers will undeniably great progress.
So THANK 1000 time to you for this tutorial very helpful to the responsible consumer (at least of his own pocket HiHi: lol:) I am.
And especially a big thank you for sharing your thoughts and anxieties of enlightened scientists (mrede j'voulais ... not ... do that!)! ...
Continue !: lol:
PS. sorry to have been so talkative ... but I think I have given a point of view that maybe some people share.