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WOSEN LIGHTING TECHNOLOGY LIMITED

Casa> Blog> US Energy Agency: LED light detection method with adjustable white light needs to be improved

US Energy Agency: LED light detection method with adjustable white light needs to be improved

March 19, 2023

US Department of Energy's CALiPER plans to publish a new report: The white dimmable led lamp light color testing, this is the first investigation led light with adjustable color of. The main purpose of this study is to standardize the test items required to test adjustable white light LED lamps . Under this premise, to define a clear specification, it is necessary to find out the necessary test items and explore feasibility and broad applicability. A total of 8 white dimmable luminaires were tested in this test, mainly for different aspects, including toning range (CCT) and dimming (light flux).

Legend: Comparison of dimming performance between linear and non-linear luminaires. (Source: US Department of Energy)

The report mainly detects complete luminous flux measurement. In a certain range of color temperature, a total of 11 test reference points are set. If too few reference points are set, the color temperature of the product and the input, lumen, light effect, and color deviation values will not be detected. Duv. Test results show that future test procedures may require at least 5 to 7 benchmark points in order to detect a clear product placement. Increasing the test procedure can put a burden on the manufacturer, but it is possible to shorten the time it takes to measure different set readings by using a simplified, stable measurement process.

This report proposes a question about existing testing methods and the feasibility of using them on such products, which will be discussed in the short term. More report details can be downloaded from the US Energy Agency's website.

WOSEN is a professional manufacturer and supplier of Led Flood Light, Led Street Light, Led Solar Light, etc. For more information, please visit https://www.wosenled.com/ or contact admin@wosenled.com or WhatsApp +86-13425434349
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