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Vintage Synth Repair

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Re: [vintagesynthrepair] decent meter for negative voltages

2004-09-14 by dizz@elitemofo.com

Quoting John Brewer <john@...>:

Thanks for replying John,

  My reply to Tim K is more explanitory (nothing personal!) I did get a Fluke
DMM so I wouldn't need to switch leads etc,,,

regards,

dizz

> I'm not sure what method you have to use to set up. If you have an ordinary
> meter, can't you just put the -ve of the meter on the -5 point and the + on
> the 0v line to measure the -5 and then move the probe to the +5 point where
> it will then read 10v. or have I misunderstood your problem.  I use a Fluke
> 75 iii multimeter which is excellent and will measure + and - without
> changing the leads over. It just flags up a minus sign in front of the
> reading.  I am not sure of the price but I think it came from Farnell.(sorry
> about the plug.)
> John
> ----- Original Message -----
> From: dizz662000 <dizz@...>
> To: <vintagesynthrepair@yahoogroups.com>
> Sent: Sunday, September 12, 2004 7:45 PM
> Subject: [vintagesynthrepair] decent meter for negative voltages
>
>
> > Hi, I'm new to the group. Working on a Korg Polysix. I need a decent
> > multimeter for checking the filter cutoff voltage pot. It's -5V to
> > +5V. I've tried to research some Fluke meters but they don't discuss
> > negative voltages in the docs. An EE friend suggested a decent digital
> > type should work but he didn't have any specifics-(ASICs designer).
> > Can anyone tell me if a Fluke model 175 has this capability? Or any
> > other model for $200. USD or less.
> >
> > many thanks,
> >
> > dizz
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
>
>
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