 |
| Powered by phpBay Pro |
How to LED Aquarium Lights Spectral Analyses
The Heart of the Aqua Illumination System – Powerful LEDs and Lenses
AI incorporates into their luminaires some of the most powerful LEDs on the market– SeoulSemiconductor's Z-Power ‘P4' white LEDs (3.8 watts each) and blue LEDs (2.5 watts each). These, in conjunction with Khatod lenses manufactured especially for use with Seoul Semiconductor's LEDs, result in focusing light into strong ‘beams' which put light where you want it – into the aquarium and not on the walls and floor.
The white LEDs are ~6,500K, and the ‘blue' LEDs peak at a wavelength of 460 nm.
Use this coupons code (1d1ef823e1) for US $8 saved, All LED grow lights and LED aquarium lights at www.ledgrowlight-hydro.com are FREE SHIPPING to USA and CA, 2 Years warranty.
Methods
Photosynthetically active radiation (PAR) was measured with an Apogee Instruments quantum meter with cosine-corrected submersible sensor. This instrument is within its recommended 2-year calibration period.
A hand-held Project Star spectrometer demonstrated a visual display of light energy between 400 and 700nm, and was recorded by an Olympus C-5050 digital camera in ‘macro' mode.
Spectral quality was analyzed with an Ocean Optics USB-2000 spectrometer and cosine-corrected CC-3 collection lens. Raw data from the spec was interpolated to 1nm increments. This information was further analyzed for color percentage in a proprietary Excel program.
Temperatures were measured with a ‘laboratory grade' mercury thermometer and a laser-sighted infrared temperature ‘gun'.
Comparison of the LED and metal halide PAR were made under similar conditions. Distance from the lamp(s) was 5 inches. LEDs were, of course, housed in AI's luminaire.
The metal halide (an XM 250-watt 20,000K; burn time ~100 hours) used a polished aluminum parabolic reflector and was driven by a Coralife ballast. There was no ‘shield' between the lamp and sensor. PAR measurements were taken every 1" across a black grid.
Spectral Analyses
See the ‘Methods' section for a description of spectral analyses protocols.
White LEDs
The AI luminaire houses 16 white LEDs. Generally, white light is produced by a LED generating blue light in combination with fluorescent phosphors. These phosphors absorb some of the blue radiation and fluoresce it as broad spectrum light, resulting in a ‘white' light.
Read Full Story: LED Aquarium Lights Spectral Analyses
About the Author
Shopping high quality LED grow lights and LED aquarium lights at www.ledgrowlight-hydro.com with factory price, all LED lights are CE&RoHS approve and 2 years warranty.
|
 Evergreen 30 Watts LED Wall Sconces EVOL11 W 22 214LED AB WDA  US $569.19
|
| Powered by phpBay Pro |