Raw lumens? Here’s what they’re not telling you.

Posted on April 29, 2013 in Combines, Featured, Maintenance.

LED from New Holland“Lumen” is the term we use to describe the light output of LED lights—but when it comes to marketing claims about lumens, some manufacturers will leave you in the dark.

The problem lies in advertising raw lumens instead of effective lumens; the latter are the true measure of light output.

While the raw-lumen figure is the number of LEDs in a light multiplied by its maximum output rating, it does not take into account outside factors (thermal losses, optical losses, etc.) that can decrease light output by as much as 75 percent.

Effective lumens, on the other hand, factor in these losses, giving you a more realistic measure of light output. Many manufacturers don’t offer this measurement, however, because calculating it requires expensive and complex photometry equipment.

With LED lights from your New Holland dealer, you always get a more accurate effective lumens measure, so you can be sure you’re getting transparent, realistic specification information.

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