Re: [EE] Re: E-Field viewer

Thanks for the video link. Worth a thousand words at least. Looks like a fun project.



Cheers,
Martin.

On Thursday, 2 July 2026 at 08:41, Brent Brown <[email protected]> wrote:

> This seems to be the thing:
> 
> https://www.youtube.com/watch?v=E25aX0w7C7I
> 
> On Wed, 1 Jul 2026 at 09:17, [email protected] <[email protected]>
> wrote:
> 
> > I would love to see a video of this E-Field device in action when it is up
> > and running.
> >
> > Cheers,
> > Martin.
> >
> > On Wednesday, 1 July 2026 at 18:09, Sean Breheny <[email protected]>
> > wrote:
> >
> > > 400kHz at 10kV will ionize and illuminate the gas inside the bulbs
> > without
> > > any electrodes. You could probably just have an array of sealed tubes
> > with
> > > the appropriate mix of gas at the right pressure inside. Your idea to
> > just
> > > clip the wires may be a close enough approximation of this.
> > >
> > > On Mon, Jun 29, 2026 at 2:24AM David VanHorn <[email protected]>
> > wrote:
> > >
> > > > Picture a grid of 10x10 NE2 lamps, mounted in holes in a wooden board.
> > > >
> > > > What I'm after is a good representation of the E-Field around a device.
> > > > Roughly 400 kHz and 10kV..60kV
> > > >
> > > > I am worrying over what would distort the field the least.
> > > > All leads clipped and just little gas tubes with metal bits inside?
> > > > All leads connected and grounded with minimal wire?
> > > > All leads connected to strips of copper tape which is grounded?
> > > >
> > > > I think the first one is the least distortion to the field, and least
> > > > sensitive.  Not sure which way to order the other two.
> > > >
> > > > Opinions?
> 
> 
> --
> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
> View/change your membership options at
> https://mailman.mit.edu/mailman/listinfo/piclist
>