Re: Low EMI lighting for labs and work areas
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It sounds like almost worth putting together a list of "known low emission" LED fixtures for others to refer to when selecting their bench lights.? I am aware this will be very market-dependent, but maybe, then, a few lists?... Sounds like a big project, but any list starts with one entry and by the time there's two, it's a list! :) Radu.?
On Fri, Mar 4, 2022 at 5:35 AM Tommy < tommy@...> wrote:
A few years ago we decided to go with LED bulbs in the household, I found that there was a significant difference in RFI between models (20dB+, 1-30MHz) and no correlation whatsoever to price/well known brands/unknown makes.
On 2022-03-04 14:16, Radu Bogdan Dicher wrote:
Hal,
I was just about to post on this - really interested?in the conversation and solutions proposed/found!
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I am currently using a couple of those LED fixtures that replicate the format of fluorescent lights. As muy bench is on one side of a low, grade level garage in Southern California - therefore a lot of high hills and mountains?all around - and that I do quite a bit of FM tuner alignments?and such work - the reception?conditions are terrible depending on what lights I turn on in the lab and where my tuner or receiver?is. Effectively, because of the lighting?situation, I am unable to use a radio on the bench in any consistent way (I turned to streaming due to that).?
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And that may seem trivial, but except for FM alignments, I also do a lot of audio or RF measurements (some where the threshold for noise is critical) and I wonder how much this garbage influences my readings. Looking forward to some solutions and a feasible path forward!
Radu.?
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On Fri, Mar 4, 2022 at 4:59 AM Harold Foster < halfoster@...> wrote:
All:
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I'm in the process of moving and am thinking about the design of my new lab/work area and am trying to decide on the lighting.? In particular I would like to minimize the effect of radiated noise from the lights but also other factors such as the layout, CRI and color temperature.? Does anyone have any recommendations or experience they would share?? Thoughts so far are to have 4400K in general and 4800-5000K lighting over the task areas.? Having a high CRI is a plus but not strictly necessary.? The lowest noise solution would be custom LED arrays with a linear power supply - fairly straightforward to do but expensive.? Currently I am using 54W HO T-5 fluorescent fixtures in 4400K but they are fairly noisy in emissions so I would love to find alternatives.
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TIA,
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Hal
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