IEC Issues Standard to Measure Energy Efficiency of Plasma, LCD TVs - IEC 62087
December 4, 2008 // Published as a news service by IHS
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The International Electrotechnical Commission (IEC) issued IEC 62087 - Methods of measurement for the power consumption of audio, video and related equipment, which measures the energy efficiency of plasma and liquid crystal display (LCD) televisions and cable set-top boxes.
The standard includes two DVDs and a Blu-ray disc that contains a series of video clips that provide a standard range of the typical content played on televisions.
Concern over power consumption brings a sense of urgency to environmental agencies and government regulators who want to obtain power measurements on LCD and plasma TVs, according to the IEC.
Reducing per model TV energy use by 25% by 2009 could save more than 10 billion kilowatt hours per year in the U.S. alone, said the IEC.
The second edition of IEC 62087 addresses the issue by specifying methods of measurement for the power consumption of televisions, video, recording equipment, set-top boxes, audio and multi-function equipment for consumer use.
Television types include cathode ray tube (CRT), LCD and plasma.
As part of the development of the standard, TV broadcasters and manufacturers edited together a mix of different genres spanning news, animated cartoons, nature programs and sports that model the typical brightness levels for television broadcast around the world, said the IEC. This is because the power needed by a television varies according to the amount of light required to display each scene.
In addition, Energy Star, a joint program of the U.S. Environmental Protection Agency (EPA) and the U.S. Department of Energy (DOE), distributed the draft IEC standard to manufacturers to draw up specifications. Power levels for more than 100 television models were measured and charted.
The standard is on a CD, while the program comes in three different video formats: 50 Hz DVD, 60 Hz DVD and Blu-ray Disc.
The package offers a way to measure power consumption and provides manufacturers with a means to provide accurate energy label ratings for consumers, said the IEC.
IEC 62087 forms the basis of the EPA's Energy Star 3.0 for televisions effective on Nov. 1, 2008.
In addition, the European Union (EU), Australia and New Zealand are in the process of adopting this standard at regional and national levels.
Source: International Electrotechnical Commission (IEC).