> It's a long coil around a ferrite rod, sometimes in a pcb tube or other
> protective case.
>
> On Wed, Jan 11, 2012 at 12:11 AM, Kumara Bhikkhu
> <[hidden email]>wrote:
>
> > **
> >
> >
> > Bill Bruno wrote thus at 12:02 11/01/2012:
> >
> > >You probably want something that can go down to .002 milligauss,
> > >or at least .01.
> >
> > Yes! My current one has a needle to indicate 0-5 mg (when set to "high"
> > sensitivity). At .01, it's as good as nothing on the meter.
> >
> >
> > >AlphaLabs has been known to modify their tri-field meter by
> > >adding a large external probe. There are websites for
> > >how to modify others yourself (linked from lessEmf).
> > >Ideally you'd want something frequency weighted
> > >(which the tri-field is) and able to up to high frequency, like
> > >0.5 MHz (which the tri-field doesn't).
> >
> > You mean those antenna-like thingy that seems to be made out of PCB?
> >
> > kb
> >
> >
> >
>
>
> [Non-text portions of this message have been removed]
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>