Ledstore.fi led profile sample case
In stock at 14 pcs
SKU#: samplecase
5 / 5 (1)
Ledstore.fi led profile template box. This box contains 8 cm long models of all our profile models for sale with cover (10.10.2021). The inside of the sturdy box shows the dimensions of the products.
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€ 50.00
VAT 0% | 24%
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Ledstore.fi Aluminium profiles for LED-strips for sale in a template box. The box contains 8 cm long models of our most popular profile models for sale (10.10.2021). On the inside of the sturdy box you will find the dimensions of the products and product codes to easily find their additional information online. LedStore's aluminium profiles are sold in 2 metre, 2.5 metre or 3 metre lengths, and in LedPaja cut to size with a 1 cm tolerance. The profiles always include a plastic cover, two ends and about five brackets. The ends and brackets are not included in the model box.
- Delivery status In Stock
- Brand Ledstore
- Breadcrumbs Home LED light stripsLED strip aluminium profileOutdoor profiles Ledstore.fi led profile sample case
- Category Outdoor profiles
- SKU samplecase
- Samplecase
- 295x210x100
- 29.5
- 10
- 29.5
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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?