Motion PIR sensor switch with light level sensor, recessed or surface mounted wall/ceiling installation, IP20
In stock at 29 pcs
SKU#: MOTION-CEILING
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This motion detector (PIR) is most often used to automatically switch on and off lights in wardrobes, storerooms and toilets. The lights can be controlled to turn on only at dusk, so this also works for night lighting control.
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€ 39.00
VAT 0% | 24%
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This motion sensor (PIR) can be used to switch on lights inside. It works best in areas where people are most often just passing by, such as closets, porches, storage areas, technical rooms and pantries. Preferably ceiling mounted, but wall mounting is also possible. The PIR sensor switches the lights on when it detects movement in the beam area and switches the lights off after a certain time after the last detected movement. The on-time is adjustable between 10 seconds and 30 minutes.
Motion detection is done by infrared, which works by turning on the lights when the sensor detects a temperature (heat) in the beam area that is different from that of the wand. We do not recommend installation near an air conditioner, air source heat pump or radiator, as heat variation against other background conditions will cause the lights to turn on.
The motion sensor also includes a twilight sensor, which makes this a good choice for pathway lights and night lighting, turning on the lights from motion only when the twilight level is at a certain level. So, for example, certain lights will come on when motion is detected, but only at dusk. The light level can be adjusted from a near-dark 3lx level to a full brightness of 2000lx.
- Detection radius: 360°
- Power: 220V - 240V AC, 50-60Hz
- Maximum load: 800W (incandescent lamps), 400W (energy saving and LED lamps)
- Detection distance: max. 3m
- Installation height: 2.2m - 4m
- Operating temperature: -20°to +40°
- Time delay: min. min. 10sec. ± 3sec. to max. 10sec. to max. 30min. ± 2min. (adjustable)
- Ambient light level: <3-2000lx (adjustable)
- Protection class: IP20
- Power consumption: 0.5W
- Operating humidity: <93%RH
- Motion detection speed: 0.6 - 1.5m/s
- Delivery status In Stock
- Brand Ledstore
- Breadcrumbs Home LED accessoriesMotion detectors and light sensorsMotion detectors Motion PIR sensor switch with light level sensor, recessed or surface mounted wall/ceiling installation, IP20
- Category Motion detectors
- SKU MOTION-CEILING
- 400
- 60
- MOTION-adjustable-IP65
- Diameter 80mm, height 42mm when surface mounted.
- 10
- 6.7
- 9.2
- 8
- Max. load with LED lights 400W
- PDF motion_sensor_ceiling_wall_surface_recessed_installation_ledstore.fi.pdf
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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?