Surface LED PLAFOND 275 CCT — MOTION, with motion sensor, 18W, 2300-3000-4000-5200-6500K, IP65, 230V
Led plafond LIIKE 275 CCT is activated by a motion sensor and is ideal for lighting passageways both indoors and outdoors (IP65). The luminaire is switched on as soon as there is movement in the area of its triggering sensor. The starting radius is 8-12 m and the luminaire can be switched to operate only at dusk (the luminaire also has a dusk sensor). The extinction time of the motion 275 CCT luminaire can be defined in seconds after the detection of the end of the motion.
The luminaire has an estimated lifetime of 50.000h and is guaranteed for 5 years.
- 1920 lumens
- 5 CCT: 2300K / 3000K / 4000K / 5200K / 6500K
- IP65
- Motion and twilight detection
- White
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- Delivery status In Stock
- Brand Ledstore
- Breadcrumbs Home By featuresSurface-mounted LED lightsSurface-mounted led plafonds Surface LED PLAFOND 275 CCT — MOTION, with motion sensor, 18W, 2300-3000-4000-5200-6500K, IP65, 230V
- Category Surface-mounted led plafonds
- SKU MOTION275-CCT-W
- Lumen 1920
- Change The length of time the luminaire is on, adjustable to the desired length. Operated by motion sensor. Five light colour temperatures selectable.
- Size 325x325100mm
- Wattage 18
- Colour temperature (K) 2300, 3000, 4000, 5200, 6500
- Light control 176
- Colour rendering (CRI ±3) 85
- IP class IP65
- Colour Matte white
- Angle of light opening 120
- Voltage to driver (V) 208
- Guarantee (year) 5 years
- Life span 50000
- Installation method Surface mounting
- Format Round
- Region Interior, Exterior, Bathroom, Covered terrace
- Approval CE, RoHS, IP65
- Designed in Finland No
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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?