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Light-ology 101
Have a lighting question? We can help! Please send your lighting inquiries and/or comments to: questions@jaftech.com
Q: What is the difference between efficiency and efficacy?
A: It's quite common for the two to get mixed up, or interpreted as the same meaning. Efficacy is a term normally used in cases where the input and output units differ. In lighting, we are concerned with the amount of light (in lumens) produced by a certain amount of electricity (in watts).
Properly measured, Luminaire Efficacy combines both the light source system efficacy and luminaire efficiency, allowing for a true comparison of a luminaire regardless of the light source. Luminaire efficacy is the preferred metric for LEDs because it measures the net light output from the luminaire divided by power into the system, accounting for driver, optical, and thermal losses. Methods for measuring luminaire efficacy of Solid-state lighting fixtures and lamps are defined in the IESNA standard, LM-79-2008.
Further Reading:
LED Measurement
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Dear ,
Welcome to the future of lighting. The time has come.
JAFtech is proud to introduce the: JAFtech LED Fixture Series (and, with it, The JAFtech LED Man)!!!!
So... what makes our LED line better than everything else out there? A couple of major things:
- As part of our ongoing commitment to provide you with the very best in lighting solutions, we've partnered up our fixtures with Samsung, who will warranty their LED tubes and drivers for 5 years!
- All of our LED Fixtures have CUL/UL certification, and are rated for use in cold (especially freezers!) and damp environments.
- Directional Lumen Output: Light from LED tubes is directional, which means that light goes straight to where you want it.
- LED's are Eco-Friendly! Not only are those nasty UV Rays gone, but so is the mercury. This means, no more disposal costs.
As always, we will customize our product to fit your needs! Some models of our new JAFtech LED line can have an occupancy sensor added.
Committed to serving you, we continue to provide you with the very best in customer support:
FREE Online Lighting Layouts!
Retrofit Kit Instructional Installation Video
A Constantly Updated Rebates and Incentive Page
Always remember that we have and always will continue to supply you with the very best in technical support! We always love to hear from you so feel free to contact us with your questions through email (by simply responding to this email) or by calling us (locally) 905-836-9311 or by using our toll free line 1-888-523-8324 . We look forward to hearing from you.
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 Even though we are all excited about the new LED's, please remember that JAFtech still makes high quality fluorescent lighting fixtures! Our high bays, such as our feature product here, are especially popular. Important Specs: - 4 foot, 120/277 V, 6 lamp T8 Fluorescent High Bay
- CSA/UL certified
- 92% White Reflectance Surface
- 22,300 lumens, 217 Watts
Fixture Options: - Powder Coated Wire Guard
- 6 foot or 10 foot cord
- clear lens
- occupancy sensors
- also available with a silver reflector
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We rely on your feedback to continue to provide you, , with a quality product and friendly customer service. Please email your comments and suggestions to: feedback@jaftech.com |
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Sincerely,
Al Simpson
President
JAFtech Manufacturing Inc.
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 Don't Miss Our May Issue!
(When JAFtech's very own LED Man
takes on the EVIL HID)
http://jaftech.com/
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