From the Ningbo Entry-Exit Inspection and Quarantine Bureau, the US Department of Energy (DOE) recently proposed a new energy test procedure for light-emitting diode (LED) bulbs, and China's stakeholders should pay attention to it.
It is understood that the proposal clarifies the method of measuring lumen output, output power and relative spectrum to determine the correlated color temperature. The rule also proposes a method for calculating the life of an LED bulb, defining the lifetime of the LED bulb as the length of time that the lumen is maintained to 70%, and increasing the calculation of the efficacy and color rendering index of the LED bulb.
The US Department of Energy also recently issued a supplemental notice to revise the definition of “lifetime†to better match the statutory definitions in the Energy Policy and Conservation Act of 1975. . The DOE proposes a new definition of "failure time" to support the definition of the revised "lifetime". Stakeholders can submit relevant comments, data and information by August 4.
It is understood that the proposal clarifies the method of measuring lumen output, output power and relative spectrum to determine the correlated color temperature. The rule also proposes a method for calculating the life of an LED bulb, defining the lifetime of the LED bulb as the length of time that the lumen is maintained to 70%, and increasing the calculation of the efficacy and color rendering index of the LED bulb.
The US Department of Energy also recently issued a supplemental notice to revise the definition of “lifetime†to better match the statutory definitions in the Energy Policy and Conservation Act of 1975. . The DOE proposes a new definition of "failure time" to support the definition of the revised "lifetime". Stakeholders can submit relevant comments, data and information by August 4.
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