Low Glare High Bay Optics

Glare is a major issue with LED High Bays.  VeeLite has introduced an option of special low Glare optics for Projects where lower glare is required.  With this we can achieve a UGR of less than 19 in some circumstances.

 

 

Dome LED HighbayUGR or Unified Glare Rating is a measurement of Glare.  It is a complex measurement and varies from 10 (minimum glare) to 30 (maximum glare).  It is dependent on the brightness of the Luminaire, but also on the brightness of the background and other factors.  Because of this, the location of the Viewer is very relevant. Because of these Factors the UGR is not solely related to the Luminaire, but to a specific installation.  For example, a 200w LED Streetlight left switched on may cause glare at night time but cause no glare during day time.

If a manufacturer shows a UGR of say 19 (which is often the recommended limit for office lighting), this would indicate they have made assumptions about the Room where it will be installed – probably a 50% wall reflectance and a 70% ceiling reflectance.  A rating limit of 22 – 28 may apply for different types of interior Industrial areas.

VeeLite uses advanced lighting software which calculates the UGR for each area.

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