LED downlight — LINJA 2, IP44, dimmable 2x2W, matte white/black, high CRI93, 3000K
LED LINJA 2 (matt white, black interior) is dimmable and moisture-proof (IP44). The luminous intensity is equivalent to 2x20W halogen. The luminaire has an excellent colour rendering performance of CRI 93! Line 2 is perfect for narrow-angle lighting indoors, for example as accent lighting for wall surfaces and paintings, in corridors and for those who need narrow-angle general lighting. Outdoors, it can be used on a patio roof and eaves, for example.
- 15 degree super narrow beam
- 400 lumens
- Good colour rendering CRI 93
- Matte white with black interior
- Warm white light 3000K
- Delivery status In Stock
- Brand Ledstore
- Breadcrumbs Home Led LightsLED downlightsSquare spots LED downlight — LINJA 2, IP44, dimmable 2x2W, matte white/black, high CRI93, 3000K
- Category Square spots
- SKU LINJA2-3000
- Lumen 400
- Change Dimmable. Includes power supply. Inspired by Igguzini Laser
- Size Height 50mm, cutout 34x64mm
- Mounting hole (mm) 64
- Wattage 4
- Colour temperature (K) 3000
- Light control One colour
- Colour rendering (CRI ±3) 93
- IP class IP44
- Colour Matte white
- Angle of light opening 15
- Immennys Dimmable
- Adjustability Not adjustable
- Voltage to driver (V) 208
- Guarantee (year) 5 years
- Life span 50000
- Installation method Recessed
- Format Square
- Installation level Roof
- Region Interior, Bathroom, Covered terrace
- Approval CE, RoHS, IP44
- Designed in Finland Yes
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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?