Uncovering the Mystery of Glare - What is UGR19?

Lighting in office environments is an essential component of the workspace. But have you ever heard someone talk about glare or UGR when it comes to design and specification? In this helpful video, we'll explain what these terms mean so that you can make sure your lighting choice gives a great result in all the right places.
UGR = Unified Glare Rating
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🕐 TIME STAMPS 🕕
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00:00 What is glare
00:17 What is UGR
00:46 Brightness
00:58 Vehicle lights in the day and at night
01:31 Now that looks easy
01:40 Software to help
02:14 Maximum UGR value
02:49 High glare
03:05 Indirect lighting glare
03:34 Recessed light source
03:58 Easy to install
04:26 Beam angle and lumens
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[@efixx]

Learn more about the Contour Octa range
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Improve your lighting design knowledge with this FREE training module
👉 www.efixx.co.uk/Know%20How/efficiency-in-lighting-design-cpd

[@paulfenton734]

Good to hear clarification by someone on the fact that UGR is only specific under the specified room conditions and can only really be established at the design stage.

[@mowcius]

When an A rated lamp is now rated as 210 lumens/watt or higher, and 111 would give this fixture a rating of "E" I'd certainly not be calling it "incredibly efficient" as you do in this video.
Commercial installations where there are potentially hundreds of this kind of fitting being installed, being used for many hours a day is exactly the area where we need manufacturers to put in some effort and produce genuinely high efficiency fixtures.

[@theetheeyog9878]

Can do a video about led downlight been down graded it from A to EF on epc ratings

[@Ben-gm9lo]

Your van has a sidelight bulb out :)

[@Dog-whisperer7494]

Sorry Joe way to technical.
Think photography/ videotography the studio light you’re standing in front of can be controlled in a number of ways, but first a rule of thumb the closer the light source the brighter the light and the more powerful the light. Your studio light should be balanced so each light give the same amount of light or maybe balanced with daylight but generally the the lights have soft boxes on them theses will 1)weaken the light making it softer
2) soften and fill in harsh shadows,
3 different attachments can be used to give highlights or to direct light light , attachments like snoots, honeycomb , barn doors umbrellas colour jells . Put simply move the light forward gives brighter harsher light move them further back gives less light and heavier shadows hence why we use soft box’s . In every day lighting in places like supermarkets and factories the higher the lights are the less light ie power and uneven spread of light, the lower the light are the more light and harsher but the more even speed of light .
Great video though as always .

[@boigoe]

High ugr will it not reduce the.lumens

[@sergiofernandez3725]

Why do they not use a diffuser?