[volt-nuts] Finally got around to modifying my Fluke 845ab with LED's

Chuck Harris cfharris at erols.com
Thu Sep 11 08:14:07 EDT 2014


Hi Dallas,

Let us know if it helps.  Neons are very fast light sources, and
can switch way faster than the CdS photo resistors can respond.

A nice red/orange LED should work well with the original CdS
photo resistors.

-Chuck Harris

Dallas Smith wrote:
> Chuck,
>
> After searching for the wave length of NE2 neon bulbs, I found that the spectrum is
> between 600-650nm. So I ordered red-org at 615nm. The white LED's I've have do have
> the characteristics you mentioned, Thank you for all your input, maybe the results
> will show some improvement.
>
> Dallas
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