Re: wierd MOT's

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "tesla by way of Terry Fritz <twftesla-at-qwest-dot-net>" <tesla-at-paradise-dot-net.nz>

Hi
I think you have probably been the victim of the collapsing field.

If you have switched off the 12V near the peak of the cycle the collapsing
magnetic field will produce a  big spike on the o/p and you have probably
killed the meter diodes
Best
Ted L in NZ
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Thursday, July 25, 2002 2:14 PM
Subject: wierd MOT's


> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<A123X-at-aol-dot-com>
>
> Having finally completed my power control box I decided to try measuring
the
> voltages of my MOT's by putting only 12v into the primary and measuring
the
> secondary. The results I got were 90v output which suggests the MOT only
has
> an output of 900v. I decided to raise the variac up and the output voltage
of
> the MOT continued to fit the same pattern. Then a little past 60v my
> multimeter began making a wierd noise and not working right. Now under the
> same pattern as before the output should have only been about 500v which
is
> well below the 750vac the multimeter should be able to read. Can anyone
why
> my multimeter broke and my MOT appearently only puts out 900v?
>
> Mark
>
>
>
>