[Test-Equipment] Should I Import this ESR Meter?

[Gary Schafer]

Hi Lloyd,

Can you control the output voltage on those things? From what to what?

Thanks
Gary  K4FMX

> -----Original Message-----
> From: test-equipment-bounces at mailman.qth.net [mailto:test-equipment-
> bounces at mailman.qth.net] On Behalf Of Lloyd KK7IZ
> Sent: Wednesday, February 03, 2010 11:26 AM
> To: Discussion of Electronic Test Equipment
> Subject: Re: [Test-Equipment] Should I Import this ESR Meter?
> 
> I have several small 0-10kv 6ma switching power supplies for sale. Thing
> is
> they take 24vdc input. A decade resistor across it would give you all
> kinds
> of options.
> $25.00 each plus shipping
> Thanx
> Lloyd  KK7IZ
> kk7iz at cox.net
> 480-620-7145
> 
> 
> ----- Original Message -----
> From: "Carl" <km1h at jeremy.mv.com>
> To: "Discussion of Electronic Test Equipment"
> <test-equipment at mailman.qth.net>
> Sent: Wednesday, February 03, 2010 8:24 AM
> Subject: Re: [Test-Equipment] Should I Import this ESR Meter?
> 
> 
> > 450V will test anything in an amp except for the variables and fixed
> > padders, plate blocking, HV bypass caps, and tubes.
> >
> > Those can either be swapped or use a hi-pot tester which can be built
> > using
> > a neon sign transformer. In many cases HV problems become quite
> visable or
> > odorous.
> >
> > My biggest need is testing mica caps at 300-500V as they are beginning
> to
> > fail at alarming rates. Problems seldom show up with a Triplett 630 or
> > similar.
> >
> > 450V or so is also good for testing transformer insulation in
> receivers,
> > test equipment, etc.
> >
> > Carl
> > KM1H
> >
> >
> > ----- Original Message -----
> > From: "mikea" <mikea at mikea.ath.cx>
> > To: "Discussion of Electronic Test Equipment"
> > <test-equipment at mailman.qth.net>
> > Sent: Wednesday, February 03, 2010 9:57 AM
> > Subject: Re: [Test-Equipment] Should I Import this ESR Meter?
> >
> >
> >> On Wed, Feb 03, 2010 at 09:45:56AM -0500, Carl wrote:
> >>> Id be more interested in a device that could test all capacitors at
> >>> their
> >>> working voltage. This would include electrolytics up to 2400 uF @
> 450V.
> >>
> >> Limiting the working voltage to 450 or so seems to be a good idea,
> though
> >> RF amplifier builders might want something that goes higher. This has
> its
> >> attendant risks, as outlined in <http://mikea.ath.cx/capplant.html>,
> >>
> >> --
> >> Mike Andrews, W5EGO
> >> mikea at mikea.ath.cx
> >> Tired old sysadmin
> >> ______________________________________________________________
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