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Forumi › AKVARIJUMSKA TEHNIKA I OSTALE POTREPŠTINE › Staklo, grejači, svetlo i sva ostala tehnika potrebna za održavanje akvarijuma › Izvori svetla u akvaristici


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Napiši novu temu   Odgovori na poruku   Odštampaj stranicu     ForumStaklo, grejači, svetlo i sva ostala tehnika potrebna za održavanje akvarijuma Pogledaj prethodnu temu  Pogledaj sledeću temu  
Re: Izvori svetla u akvaristici  Pošalji
Poslato: Čet Feb 16, 2006 12:54 am
Odgovori sa citatom Nazad na vrh

Pridružio se: Jan 28, 2005
Poruke: 1046
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Peca
Moderator


Ne bih se složio sa mišljenjem da su slatkovodne biljke na manjim dubinama od nekih invertebrata u moru. Korali se nalaze na raznim deolvima grebena, a ima i onih koji su često toliko blizu površine vode, da sa nailaskom oseke ostaju na suvom nekoliko sati.
2800 K je isuviše "žuto" svetlo i nije pametno koristiti ga. Ja ne bih uzimao lampe ispod 6000 K, a najbolje je uzeti one na kojima stoji da su rast biljaka.

Re: Izvori svetla u akvaristici  Pošalji
Poslato: Pet Feb 24, 2006 11:58 pm
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Pridružio se: Feb 16, 2006
Poruke: 50
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kinez
Član


Ovo su podatci iz kataloga TUNGSRAM
Type T5 ...................W Lmax. Lm CCT T(h)
F24W/840STARCOAT 24 549 2000 4000 20000
F24W/865STARCOAT 24 549 1900 6500 20000
F39W/840STARCOAT 39 849 3500 4000 20000
F39W/865STARCOAT 39 849 3350 6500 20000
F49W/840STARCOAT 49 1149 4000 4000 20000
F49W/865STARCOAT 49 1149 4650 6500 20000
F54W/840STARCOAT 54 1149 5000 4000 20000
F54W/865STARCOAT 54 1149 4750 6500 20000
F80W/840STARCOAT 80 1149 7000 4000 20000
F80W/865STARCOAT 80 1149 6650 6500 20000

Type T8..................... W Lmax Lm CCT T(h)
F18W/840CVG/XLR 18 600 1300 4000 20000
F18W/860CVG/XLR 18 600 1250 6500 20000
F36W/840CVG/XLR 36 1200 3250 4000 20000
F36W/860CVG/XLR 36 1200 3200 6500 20000
F58W/840/XLR 58 1500 520 4000 20000
F58W/860/XLR 58 1500 5000 4000 20000
F70W/835/XLR 70 1800 6300 3400 20000
F70W/840/XLR 70 1800 6300 4000 20000

Compact Fluor .....W Lmax Lm CCT T(h)
FD-D10 F82 10 108,5 600 2700 10000
FD-D10 F865 10 108,5 600 6500 10000
FD-D13 F84 13 133 900 4000 10000
FD-D13 F865 13 133 900 6500 10000
FD-D18 F84 18 154 1200 4000 10000
FD-D18 F865 18 154 1200 6500 10000
FD-D26 F84 26 169,5 1710 4000 10000
FD-D26 F865 26 169,5 1710 6500 10000

Re: Izvori svetla u akvaristici  Pošalji
Poslato: Sub Feb 25, 2006 12:36 am
Odgovori sa citatom Nazad na vrh

Pridružio se: Jul 13, 2005
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FIKUS
Moderator


Kinez,

Hvala ti na iscrpnim tehnickim karakteristikama Tungsramovih lampi. Misljenja sam da ovako detaljan i precizan spisak moze dosta da pomogne prilikom izbora lampi za AQ.

FIKUS

Re: Izvori svetla u akvaristici  Pošalji
Poslato: Sub Feb 25, 2006 2:08 am
Odgovori sa citatom Nazad na vrh

Pridružio se: Feb 16, 2006
Poruke: 50
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kinez
Član


Zao mi je sto na forumu izgleda ovako malo neuredno ceo tekst je radjen u Office Wordu u vidu tabele ali nisam znao kako to da prenesem da bude jasnije pa bi zamolio nekog od administratora da to malo dovede u red .

Re: Izvori svetla u akvaristici  Pošalji
Poslato: Ned Dec 10, 2006 7:22 pm
Odgovori sa citatom Nazad na vrh

Pridružio se: Dec 10, 2006
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Lokacija: beograd
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milanper
Novi član


Da li neko ima iskustva sa metal halogenim reflektorima?
Ako ste imali priliku da pogledate neki sajt o afrikancima pa vidite akvarijum koji izgleda malte ne kao morski sa fantastisnim spektrom boja to je to,bar tako ljudi kazu. Do sada sam pokusavao sa raznim kombinacijama neonki ali nikako da nabodem to svetlo pa me interesuje da li neko zna vise o tome?

Re: Izvori svetla u akvaristici  Pošalji
Poslato: Čet Mar 15, 2007 1:32 am
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Pridružio se: Feb 26, 2007
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RudeBoy
Novi član


Evo da i ja izlozim neki svoj pocetnicki problem na ovoj temi Very Happy

Kada sam formirao akvarijum u poklopcu sam imao dve obicne sijalice od po 25w, nakon toga sam probao da ubacim neonsko svetlo - dve neonske sijalice koje trose po 11w struje, a ako sam dobro shvatio trebalo bi da daju oko 50w osvetljenja...nista mi se to nije dopalo pa sam pronasao radnju sa T5 lampama od po 8w, koristim ih nekoliko nedelja, okacene na sredini poklopca sa razmakom od oko 5 cm (jedino sam tako mogao da ih nakacim na postojeci poklopac koji menjam uskoro) i stvarno daju vrlo dobro osvetljenje sa "daylight" neonkama, jace nego one sijalice. Uzeo sam pritom nekoliko rezervnih, medju kojima i jednu UV, cisto da vidim na sta bi to licilo, ali osvetljava jaako slabo i ne vidim vajdu od nje tako da je nisam ni kacio unutra.
Biljke su u dobrom stanju, jedna vrsta cak nenormalno raste, moze se svaki dan primetiti promena. Jedino me muci anubias (od kako sam ga posadio pre dva meseca) koji ima na nekim listovima braon delove i manje-vise ne menja svoje dimenzije od pocetka formiranja akvarijuma. Druga stvar koja se dogadja, a pretpostavljam da je vezana za svetlo - Barbusi su poceli da se sakrivaju po mracnijim delovima akvarijuma, tacnije pod filter, panj ili listove anubiasa, a neki na dan ili dva i malo izgube boju-poblede, pa se kasnije njima vrati a drugima nestane i tako u krug Surprised

Da napomenem i da sam se pre ovih T5 mucio sa temperaturom vode koja je umela da varira i za po 3-4 stepena dnevno, dok sada stoji zakucana na 24,5 - 25, sto je pretpostavljam - dobra stvar Smile Takodje su problemi koje sam imao sa zelenim algama - zaustavljeni, maltene se vise i ne pojavljuju.

Re: Izvori svetla u akvaristici  Pošalji
Poslato: Sre Apr 18, 2007 6:07 pm
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A.T.
Član


Ево неких основних појашњења у вези ЛЕ диода, као и осветљења уопште (извор је каталог ЛЕД једне реномиране стране фирме). Следи не промењен текст:

,,Wavelength
Monochromatic colours (spectral colours) are normally indicated in wavelengths. The wavelength (symbol (lamda)) describes the space between two waves. This space is measured in nm (nanometre). The visible prismatic colours (spectral colours) decrease in their wavelengths from red to blue. Example: red (630nm), blue (470nm)
Luminous Intensity: mcd (Milli Candela)
The abbreviation mcd stands for Milli Candela. It is an indicator for the brightness of a LCD or generally for any illuminating object (the base unit of luminous intensity) in connection with the angle of radiation. Roughly 1 cd (or rather 1000mcd) corresponds approx. to the brightness of a candle.
A isotropic light source of the luminous intensity
1 Candela radiates a luminous flux of dQ = 1 lumen (per steradian) dw = 1 steradian: I = dQ/dw
A Candela is the luminous intensity (luminous flux density) of a radiant source which emits a monochromatic radiation of frequency 540 · 1012 hertz corresponding to a wavelength of 555nm, with a capacity of 1/683 watt per steradian (solid angle). As in the case of all photometric measurements the brightness sensitivity curve determines the physiological dependence on the wavelength. For the selected wavelength the following applies: V(555nm) = 1.
The brightness of a surface emitter indicates the luminance measured in cd/m².
Luminous Flux:
The total lighting performance of an illuminating object is declared in lumens, independent of its direction of illumination. The luminous flux is the activity unit in the light measurement system. 1lm = illuminance of 1lx.
Examples:
- white LED at 20mA: 2lm (max.)
- green LED at 20mA: 4lm (max)
- K2 Luxeon LED white: 180lm (max.)
- halogen-spot 50W: 1300lm
- light bulb 100W: 1500lm
- fluorescent tube 30W: 1600lm
Angle of radiation
The angle of radiation indicates in which forward direction the light is emitted.
Innately LEDs have a „cupola“ on the shell. This is a lens. Depending on the desired angle of radiation the wiring with the chip is embedded higher or lower into the shell. The distance between chip and lens and the lens curve then create different angles similar to a magnifying-glass and glasses (the farther away from an object or rather the stronger the curve of the eyeglass lens the larger the object appears).
In order to widen or reduce the angle of radiation for certain LED types there are optics (lenses) which are affixed in front of the LED.
Diffuse LEDs do not have an angle of radiation due to the fact that their shell material is milky and the light radiates in all directions in equal measures.
Lumiled Luxeon LEDs and SuperFlux LEDs normally have quite a wide angle of radiation of 90- 140°; on the other hand standard-LEDs (5mm and 3mm) usually only have 20°. The wider the angle of radiation the lower the luminous intensity (mcd) becomes. The total lighting performance (lumens) remains the same.
SMD-LEDs
SMD (surface mounted device) are not wired rather merely have solderable footprints which assist in soldering them to the surface of a circuit board. This design is generally better suitable for machine mounting.
Due to their small overall size SMD LEDs are limited in their heat flow and will therefore probably not reach their „siblings“ (SuperFlux, 5mm shell and so on) in matters of luminance and lifespan in the near future.
Efficiency / Luminous Efficacy
The luminous efficacy indicates how efficiently a product transforms the electrical power (watt) into light (lumens).
In the case of almost all illuminants a large part of the energy (with light bulbs over 90%) deflagrates into unnecessary heat. LEDs do not operate with filaments and therefore produce considerably less heat. They are more efficient. In average every 2-3 years the luminous efficacy of the LEDs is reduplicated. A short while ago the white LEDs were at 20lm/W; in the meantime anything up to 70lm/W is possible.
The physical maximum limit of the luminous efficacy is at 683 lumens per watt. It is therefore still quite a long way until this value can nearly be achieved.
Examples:
- carbon arc lamp 8lm/W
- light bulb 15lm/W
- halogen spot 30lm/W
- standard LED white 40lm/W
- standard LED red 60lm/W
- fluorescent tube 60lm/W
- Luxeon K2 white 65lm/W
- mercury vapour lamp 90lm/W
Colour Temperature: K (Kelvin)
The colour temperature is indicated in Kelvin (K). This unit can be found for white LEDs because these do not have any wavelengths. As is generally known white is not a colour rather a total “reflection” or disbursement of all spectral colours (e.g. by mixing several colours or by a partial transformation of blue into yellow light).
The colour temperature is a comparison unit. It is compared to the smouldering of a black body (titan). So black has the temperature OK (-273°C). When heated slightly the body radiates in the area of infrared which is the reason why we cannot detect a generation of heat here with the naked eye. When heated further the body can assume the colours red, yellow, white and even blue. So if the colour temperature of a white LED is indicated at 10 000K this means nothing other than that a titan body must be 10 000K hot in order to radiate this “colourfulness”.
Excerpt:
- candle light: 1500K
- light bulb: 2800K
- halogen lamp: 3400K
- fluorescent tubes: 4000K
- moonlight: 4100K
- setting sun 5000K
- sunlight: 6000- 8000K
- sky light: 9000-18000K
Colour location: X/Y in CIE-triangle
The colour location is a coordinate in the so-called CIE-triangle. CIE is the Commission Internationale de l’Eclairage (engl. International Illumination Commission). The CIE is a non-profit organisation which has made standardization (ISO, IEC, CEN) and the exchange of information in the area of illumination their business.
The CIE-triangle is a 1976 determined colour space. In it all theoretically visible colours can be found. By means of coordinates any definite colour of light can be indicated.
All spectral colours lie in the border area of the CIE-triangle.
Monochromatic / Polychromatic
Light with only one individual wavelength (spectral colours) is called monochromatic.
Monochromatic (gr: mono-chromos, one colour):
Infrared, red, orange, yellow, green, blue, violet (and all colours in between these stages)
Polychromatic (gr: poly-chromos, many colours):
Brown, pink, magenta, white.''

Ово би требало да објасни добро неке појмове онима које интересује поменута тема, али ако неко има извесна питања у вези текста верујем да их овде поже изнети пошто су питања више општег карактера (не односе се на фирму која је писала католог). Мада, напомињем да текст има искључиво учитељски (да не кажем ,,едукативни'') карактер, никако рекламни.

Поздрав свима!

_________________
(Александар)

Re: Izvori svetla u akvaristici  Pošalji
Poslato: Pet Apr 20, 2007 2:38 pm
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Postar
Član


Stvarno je to sve super i jako strucno, svaka cast. Ali, sta da radimo mi sa malim akvarijumima u ciji poklopac (ako ga uopste ima) se nemoze postaviti standardna manja neonka. ja recimo koristim obicne tanke neonke od 20-ak cm. Florescentnu bijelu i plavu.

Sem da nabavimo veci akvarijum!

Pozdrav svima!!!

Re: Izvori svetla u akvaristici  Pošalji
Poslato: Sub Apr 21, 2007 5:29 am
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DrG...
Novi član


Postar... ti si jos i dobar, sta da kazem ja koji jos uvek imam obicnu zutu sijalicu... ali i to ce u skorije vreme da se promeni, kao i zapremina AQ (trenutno je oko 60l)

Re: Izvori svetla u akvaristici  Pošalji
Poslato: Sub Apr 21, 2007 9:57 am
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Octopus
Administrator


Siguran sam da će vaši akvarijumi porasti vremenom... To tako uvek ide...

Neonskih sijalica ima i manjih snaga i dužina... Neko od rešnja za manje akvarijume su i compact fluorescentne lampe, tj.takozvane štedne sijalice. Pazite na spektar koji emituju pri kupovini takvih sijalica. Poželjno je da budu daylight ...
Takodje ... T8 neonke se rade i u malim dužinama od od 10 i 15 w

AT... ovo je forum na Srpskom... Ako si hteo da proslediš informaciju što je ne prevede... zar se nismo dogovorili da se izbegava copy-paste sa drugih govornih područja.

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Octopus

Re: Izvori svetla u akvaristici  Pošalji
Poslato: Sub Apr 21, 2007 6:14 pm
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A.T.
Član


Видиш та информација је за мене потпуно нова, чак и разлог ми није најјаснији. Оно о чему сам строго пазио је да не истичем фирму, у складу са правилима форума (јок рекламирање). Али пошто је сам текст чист цитат, базиран на научној основи, а њихова права својине не бране цитирање истог - сматрао сам да је у-реду! Могао сам да га преведем да сам имао времена али то није мој начин цитирања.
Ако сматраш да треба да макнем текст, нема проблема..

Поздрав!

_________________
(Александар)

Re: Izvori svetla u akvaristici  Pošalji
Poslato: Ned Sep 12, 2010 12:35 pm
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predrag65
Novi član


ja sam bas nov u ovoj prici. Kupio sam akvarijum mali (40 l.) ubacio 15 ribica raznih i nad akvarijumom stavio stedljivu sijalicu ekvivalent 40w. Lepo je osvetljeno a i ribice deluju zadovoljno. Posle par meseci pocele su alge po staklu i kamencicima sto su resila dva mala algara. Valja li ovo i da li da menjam sijalicu?

Re: Izvori svetla u akvaristici  Pošalji
Poslato: Pon Sep 13, 2010 6:51 am
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biobiofizicar
Aqua maniac


Dao si premalo podataka (koja stedljiva je u pitanju - oznaka, proizvodjac, i koliko stvarnih Wati ima, kakva je duzina foto perioda,...), ali generalno jacina i tip osvetljenja zavisi od toga i koja je namena akvarijuma. Ako ima biljaka njima treba odredjeni spektar i u zavisnosti od zahtevnosti njihovog gajenja i odredjena kloicina svetla (naravno u kombinaciji sa /ili bez CO2 i djubrenjem). Pojava raznoraznih algi je rezultat sklopa odredjenih faktora (u koje svakako spada i svetlo).
Generalni odgovor na tvoje pitanje je da su stedljive sijalice generalno OK i da ih mnogi akvaristi koriste za osvetljavanje svojih akvarijuma, pa cak i oni koji gaje vrlo zahtevne biljke...

Re: Izvori svetla u akvaristici  Pošalji
Poslato: Čet Feb 03, 2011 9:32 pm
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nemanjask
Član


Samo da dodam svoje lično iskustvo u vezi rasvete, naime, imam 1w po litrui to kombinovano fluo cevi 4x18 W gro lux i day light, jednu 28W T5 day lig i 2 metal halogena reflektora od 70 W (830 i 942) i sve to je super, ali biljkama je uz svetlost potrebno još milion stvari da bi bile bujne i kvalitetne!! Krenuće da bujaju i počeće da gube boju ida se deformišu ako je svetlost sve što imaju!

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