Re: High voltage resistors
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.....
> the rating at 1000V per resistor to be conservative.
> Or, call C&H Sales in Pasadena CA.. I think they have a bunch of
> 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
> so, you could use something like black auto vacuum tubing, which
> slightly conductive due to the carbon black.
> If you are thinking about measuring any sort of transient or
> other than 60 Hz, then you should know that it is very tricky,
> 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
> > Hi,
> > Does anyone know of a source of new high voltage (30+ KV) , 125
> > resistors or any high voltage any Mohm resistors in general. I
> > only need about 4 for my purposes. I'm building a voltmeter to
> > the output of my pig. I know I could use a neon transformer or
> > but would rather not have the bulk of a transformer. Also, my
> > voltage would be more limited with a transformer
> > -- Dave Euans