Paragon Lighting Myanmar - Understanding LUMENS PER WATT RATING Like kilometer-per-liter (of petrol) in a car, the LUMENS-PER-WATT RATING indicates how much light that a particular bulb produces per watt of power
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Lumens Per Watt Measure of Lighting Efficiency
Here are some lumen per watt (LPW) targets for common LEDs
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