[Clayart] weird element readings. help!

L TURNER magnolia.mud.list at gmail.com
Sat Oct 22 18:49:01 EDT 2016


Jon,

A third possibility is that the length of the elements are not what you are
assuming they are.  Just because they were  factory replacements when they
were installed, they may actually be different from as the new replacements.

LT

On Fri, Oct 21, 2016 at 3:03 PM, jonathan byler <jebyler2 at gmail.com> wrote:

> #2 seems the most likely.  nothing is touching along the length of the
> coils, at least nothing obvious.  I’m going to fire it up and take amperage
> readings on the individual coils and see what it looks like.  If nothing
> looks out of the ordinary on the current draw, I’ll have to let it be a
> mystery for now.
>
>
>
>
> > On Oct 21, 2016, at 11:33 AM, L TURNER <magnolia.mud.list at gmail.com>
> wrote:
> >
> > On Thu, Oct 20, 2016 at 10:35 PM, jonathan byler <jebyler2 at gmail.com>
> wrote:
> >
> >>
> >> I had the lead wires off the elements in question.  I was using a
> military
> >> grade fluke VOM…  readings for new elements are spot on.  still baffled.
> >> Contacted the manufacturer, and they told me that the last few sets of
> >> elements that I bought were the right part, so unlikely that I have the
> >> wrong ones in there.  I’ll do some more poking around and see what I
> see.
> >> The kiln saw lots of nasty sulfur in the atmosphere from too many
> firings
> >> with goldart based clay… maybe some weird chemical reaction took place?
> >> Never seen this before.
> >>
> >>
> >
> > Jon,
> > several lines of thought to explore based on that concept that
> electricity
> > moves through the past of least resistance.  Both could be applicable.
> >
> > 1. the wire in the coils are stuck together somewhere along the length of
> > the elements.  Possibly in several locations.  This would make the
> circuit
> > length shorter than expected.
> >
> > 2. the corrosion layer on the wire is more conductive than the interior
> > metal alloy.  Normally the corrosion layer is an nonconductive oxide.
> >
> > LT
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