Three things to consider when specifying led products
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Transcript of Three things to consider when specifying led products
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THREE THINGS TO CONSIDER WHEN SPECIFYING LED
PRODUCTS
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COLOR TEMPERATURE
COLOR TEMPERATURE DESCRIBES THE TONE OF WHITE LIGHT AN LED PRODUCES. THIS IS EXPRESSED IN
DEGREES KELVIN. THE TYPICAL RANGE IS 2700K – 6000K.
THE LOWER THE COLOR TEMPERATURE THE CLOSER TO
INCANDESCENT LIGHT THE SOURCE IS, THE HIGHER THE NUMBER THE
CLOSER TO COOL DAYLIGHT.
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CRITHE CRI OF A LIGHT SOURCE DESCRIBES HOW WELL IT RENDERS COLOR TO THE
HUMAN EYE. TRY TO IMAGINE THE SUN AT HIGH NOON ON A CLEAR DAY. THAT IS
PERFECT COLOR RENDERING.
WE EXPRESS COLOR RENDERING ON A SCALE OF 0-100. HALOGEN IS TYPICALLY 100, FLUORESCENT IS IN THE MID 80’S.
FOR LED PRODUCTS LOOK FOR A MINIMUM OF 80+ CRI, 90+ IS OPTIMAL.
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DELIVERED LUMENS
LUMENS ARE A MEASUREMENT OF HOW MUCH LIGHT IS GENERATED BY A SOURCE.
DON’T IMAGINE A LIGHT BULB CASTING LIGHT ON A WALL. IMAGINE LOOKING
DIRECTLY AT THE LIGHT BULB. THOSE ARE LUMENS. WHEN A LIGHT SOURCE IS
PLACED ALL LIGHTING FIXTURES REDUCE THE EFFICIENCY OF A SOURCE (IMAGE A
BARE BULB VERSUS ONE IN A LAMP SHADE) DELIVERED LUMENS IS THE
MEASURE OF HOW MUCH LIGHT A FIXTURE ACTUALLY OUTPUTS. Initial Lumens Delivered
Lumens
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WHAT ARE YOUR BIG QUESTIONS WHEN IT COMES TO LED? CONNECT WITH ME, AND LETS
SEE IF WE CAN WORK TOGETHER. WEB: JAMESBEDELL.COM
@JAMESBEDELL