Follow the instructions below to determine the footcandle levels that eLights fixtures can provide. We suggest that you print out this page.
1. Get the HID Photometric Diagrams
Click here to download the HID Photometrics. You will need Adobe Acrobat Reader, click here to download a FREE copy of Acrobat Reader.
2. Estimate your fixture mounting height, lamp type and wattage.
3. The Photometric isofootcandle diagram for the fixture you have chosen shows points of equal brightness from the fixture at a specific mounting height connected by a continuous line. Use the multipliers to compute the footcandle levels for your application if your mounting height or wattage are different from the example given.
4. If needed adjust your mounting height, wattage or spacing to get the footcandle levels necessary for your specific job
5.
For multiple fixture applications, isofootcandle values can be added where the curves intersect.
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