Converting to LED – S/P Ratios

Converting to LED – S/P Ratios

A lot of time we are asked what is the equivalent LED to convert from Metal Halide. A lot of time, we have a product in mind that works based on previous experience. But how did we come up with that product, and how did we make the original decision on what was the...

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Pupil Lumens and their impact on choosing lights

Pupil Lumens and their impact on choosing lights

A warehouse facility recently upgraded its lighting. Before the lighting improvement project, it was illuminated by low CRI HPS lamps which were replaced with higher CRI lights. The luminous intensity before the retrofit was 35 foot candles which fell to only 25 foot...

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