The DOE's Solid State Lighting Commercially Available LED Product Evaluation and Reporting (CALiPER) program independently tests and provides unbiased information on the performance of commercially available SSL products.
The test results guide DOE planning for ENERGY STAR® and technology procurement activities, provide objective product performance information to the public, and inform the development and refinement of standards and test procedures for SSL products.
DOE supports testing of a wide, representative array of SSL products available for general illumination, using industry-approved test procedures. Guidelines for product selection ensure that the overall set of tests provides insight on a range of lighting applications and product categories, a range of performance characteristics, a mix of manufacturers, a variety of LED devices, and variations in geometric configurations that may affect testing and performance.
Commercially available products are purchased and then tested by one of several prequalified lighting testing laboratories arranged to assist this program. All luminaires are tested with both spectroradiometry (in an integrating sphere) and goniophotometry, along with temperature measurements (taken at the hottest accessible spots on the luminaire)
and off-state power consumption.
Manufacturers of tested products are given an opportunity to comment on test results prior to their finalization. Testing results, summaries, and interpretations are distributed in hard copy and via the DOE SSL website.
To learn more, here is a link to FAQ's http://www1.eere.energy.gov/buildings/ssl/caliper_faq.html
Here is a link to the CALiPER testing results
http://www1.eere.energy.gov/buildings/ssl/reports.html
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