Re: High voltage resistors

• To: tesla-at-pupman-dot-com
• Subject: Re: High voltage resistors
• From: "Choad" <choad69-at-geocities-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Sun, 18 Jul 1999 14:46:31 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

I would just go to www.meci-dot-com they have lots of high voltage
resistors cheep. They don't list voltages, but do provide the
length. Even if thay don't have the value you need, thay are still
cheeper there then anyother place I've seen.

> Build em yourself with a string of 10Meg 2W carbon resistors.....
Figure
> the rating at 1000V per resistor to be conservative.
> Or, call C&H Sales in Pasadena CA.. I think they have a bunch of
1000Meg HV
> resistors.
> New, this kind of thing will set you back well over $50 each.
> BTW, in a voltage divider, all you care is that the ratio remain
the same,
> so, you could use something like black auto vacuum tubing, which
is
> slightly conductive due to the carbon black.
> If you are thinking about measuring any sort of transient or
something
> other than 60 Hz, then you should know that it is very tricky,
because the
> parasitic capacitance is a significant problem... WIth such high
> impedances, it doesn't take much C to completely swamp the R.
> For RF measurements, a capacitive divider is probably a better
bet.
> > Hi,
> >
> > Does anyone know of a source of new high voltage (30+ KV) , 125
Mohm
> > resistors or any high voltage any Mohm resistors in general.  I
will
> > only need about 4 for my purposes.  I'm building a voltmeter to
measure
> > the output of my pig.  I know I could use a neon transformer or
similar
> > but would rather not have the bulk of a transformer.  Also,  my
maximum
> > voltage would be more limited with a transformer
> > -- Dave Euans

• Prev: Re: Ignition coil (anti-parallel pairs) array and other questions
• Next: Re: Ignition coil (anti-parallel pairs) array and other questions
• Index(es):
  • Main
  • Thread