VTVM Meter Model IM_13

[Ed Kotkiewicz]

"Malloy, Geoff" wrote:

> I just bought a probeless IM 13 as well and made my own probe set, but
> didn't realize that the phone plug was non standard. Is the correct type of
> plug still available from somewhere?

EK> That was a very good catch by Mark on the phonejack.  It caused me to go look at my
stock and then a couple of manuals.  The only one I fount that fits the bill is
"PG-055B".  It has a 1/8th inch separator between the tip and the ground.  Finding it was
a harder chore.  Surplus Sales has it for $2.25 each.  That looks like a good deal if he
has them in stock.

Ed

>
>
> > Geoffrey C. Malloy
> > Director, Business Systems Support
> > University of Kentucky
> > 303 Administration Building
> > Lexington KY 40506
> > V:(606)257-6690
> > F:(606)257-1597
> > E:gcmall2 at email.uky.edu
>
> -----Original Message-----
> From: Fred Olsen [mailto:fwolsen at EXECPC.COM]
> Sent: Thursday, October 05, 2000 1:36 PM
> To: HEATH at LISTSERV.TEMPE.GOV
> Subject: Re: VTVM Meter Model IM_13
>
> Exactly right Mark.  A normal phone plug WILL NOT take the possible 1000
> or 1500V input, and neither will a common phone jack in place of the
> original Nylon-insulated Switchcraft special.  One runs the risk of
> frying an otherwise good meter, or an otherwise good oneself.
>
> Fred
>
> Mark Johnson/Ontario/IBM wrote:
> >
> >...be aware that the 1/4 inch plug on the
> > end of these probes is NOT standard.
>
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