Anti-Ultraviolet
Energy-Saving
More Than 10 Years
High Reflectance
Wide & Evenly Diffused
Component
Dome
- Acrylic, weather-resistance
- High Transmittance
- Anti-Ultraviolet
- Spherical Shape
Ring-shaped LED(240-watt, optional)
- Avoid to block sunlight
- Detached, just replace the broken one
Flashing Top
- Stainless Steel
- Special design, easily embedded with roofing sheet
Flashing Bottom
- Stainless Steel
- Special design, easily embedded with roofing sheet
Light Tube
- High reflective material
- Total reflectance more than 98 %
- Indoor light as natural as outdoor
- Tubular design for avoiding shade
Diffuser
- PC material, abide by Plastic Flammability Standard (UL-94-V2)
- Irradiation angle more than 140 degrees
- Widely & evenly diffused
Heat
Daylight Tubular Device
Polycarbonate Sheet
In the daytime, DTD is no power consumption
In the rainy days:
- Use 150-watt LED to illuminate indoos
Item | DTD with LED |
---|---|
AM 08:00 – PM 17:00 (9hr) | N/A |
PM 17:00 – AM 08:00 (15hr) | 2.34 kWh |
Power consumption per day | 2.34 kWh |
Power consumption per year(253 working days) | 592.02 kWh |
ENERGY-SAVING: 2322.54 kWh / per year