2011年1月17日 星期一

THE NATIONAL PORTRAIT GALLERY

The National Portrait Gallery and the National Gallery, both in London, have installed LEDs in some of their galleries. Elsewhere, the new contemporary art galleries at National Museum Cardiff, which will open in July 2011, are being fitted with LED lighting.

Mark Richards, deputy director general at the National Museum Wales (Amgueddfa Cymru), says: “We have historically depended on tungsten lights like most other museums. However,With the lighting change, the church will table lamps save more than $180 a year in energy costs. However, the payback for these changes will be in 10 years, as the bulb project is costing the church $1,700, Brothers said. the quality of LED lights now give us the opportunity to be more flexible in our approach and will potentially help us reduce our energy costs by around 50%.”

THE NATIONAL PORTRAIT GALLERY

In the case of the National Portrait Gallery in London, the cost of repairing lighting tracks and fittings in its third floor galleries were too high so it decided to update to LED lights.The 13W bulb will be made available for purchase in January for less than $30, and should led tube to use 75% less energy than the 60W incandescent bulb it is designed to replace. Erco Optec 14 watt spotlights were initially trialled in a small gallery before extending this into a larger space. The second gallery trial was particularly significant because the paintings hung in it contain a considerable level of red, which is hard to bring out under LED lights.

The whole process took time and included a considerable amount of discussion with curators, conservators and other museums and galleries. Despite concerns about colour rendering, Tim Knight, building services engineer at the National Portrait Gallery,More than 425 million led bulb 60W incandescent bulbs are sold each year in the US, representing about 40% of the market for light bulbs.It was the erstwhile Left Front board that first decided to modernize streetlights Air max classic on some major thoroughfares. The former member, mayor-in-council (lighting) Sushil Sharma took the initiative to install LEDs on select roads. says the general consensus is that an LED-lit painting looks no worse than under the oldFor example, while he no longer fluorescent lights disassembles the drip irrigation systems as he did when he was a puppy, now with the cooler temperatures beginning to prevail, he occasionally enjoys ripping the laundry from our clothesline then dragging it onto our front porch . tungsten halogen lights.

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