Osram T5 Fluorescent Tube 21W/840 SL 850mm Cool White
Osram T5 Fluorescent Tube 21W/840 SL 850mm Cool White is backordered and will ship as soon as it is back in stock.
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Light Bulb Fittings
Light Bulb Fittings
The light bulb fitting is the part of the bulb that connects it to the socket of a light fixture.
Colour Temperature
Colour Temperature
Colour temperature is measured in Kelvin (K) – the lower the number, the warmer the white light appears, while a higher Kelvin will appear cooler. Colour temperature generally ranges from 2700-3300K (warm) to 3300-5300 (cool) – and 6500K is daylight.
Equivalent Wattages Between Different Light Bulbs
Equivalent Wattages Between Different Light Bulbs
As long as the technology developed, a LED light bulb can only use 8 watt power but light up similar brightness when a incandescent light bulb uses 60 watt power. There is equivalent wattage between different light bulbs. To stop making confuse, you need to know what wattage equivalent to each other. See the table attached as below.
Osram T5 Fluorescent Tube 21W/840 SL 850mm Cool White
- Fitting/Base: G5
- Wattage: 21W
- Colour Temperature: 4000k
- Lumen Output: 1900lm
- CRI: 85
- Life Span: 24,000H
- Length: 850mm
- Diameter: 16mm
- Brand: Osram
- This item can not be posted. In store only.
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Data SheetNone
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