LED 2G7 bulb, high CRI92, 9W, 3000K
2G7 LED lamp 3000K, dimmable
LedStore's high quality G23 LED bulb with 3000K colour temperature. Colour rendering index (CRI) of over 92!
Energy savings are to be expected as one 9W bulb is equivalent to an 18W CFL with the same light output
2G7 LED 3000K light output is 720 lumens.
This dimmable 2G7 LED bulb has 120 degree light opening. The lamp has a length of 226 mm and a diameter of 37x19 mm.
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- Delivery status In Stock
- Brand Ledstore
- Breadcrumbs Home By featuresKelvin3000K - 3500K LED 2G7 bulb, high CRI92, 9W, 3000K
- Category 3000K - 3500K
- SKU 2G7-8W-3000
- Lumen 720
- Change Dimmable, light angle 180
- Wattage 9
- Colour temperature (K) 2900, 3000
- Colour rendering (CRI ±3) 92
- IP class IP21
- Colour White
- Immennys Dimmable
- Guarantee (year) 3 years
- Life span 35000
- Approval CE, RoHS
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WHAT IS CRI, THE COLOUR RENDERING INDEX
High quality LED lights also have a high colour rendering index, or CRI. A good colour rendering index (CRI) for home use is above 90, and nowadays many market lights are unfortunately closer to 80.
CRI tells you how well an LED light displays colours as they should be. For designers and architects, as well as interior designers, it should be one of the most important considerations. Make sure the lighting is perfect so that your artwork is what it is meant to be.
Colour rendering index
The colour rendering index is expressed as a number on a scale from zero to 100, where 0 = no colour rendering and 100 = full colour rendering. The colour rendering index of LED lights is also known as Ra, which is measured on a smaller scale than CRI. This Ra value does not include red tones or skin tones, for example, so it is a 'glossed' figure for the true quality of an LED light.
RA value
The Ra value measures the reproduction of colours using eight different reference colours. CRI takes into account the wider (15) wavelength range, including reds and other warm colours.
The Ra value is calculated by cutting the wavelength range, weighting the blue and violet tones, and calculating the weighted average of R numbers 1-8.
Excluded from the Ra value are, for example, the colour rendering of bright reds, yellows and greens, and shades close to skin tone. These are described by R-values between 9 and 15. The following is a picture of a measurement result that easily confuses the consumer.
This measurement is from a 9W CCT Led spot
Read more on this topic:
Colour rendering of LEDs - What is the difference between CRI and Ra-value?