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

[Lloyd KK7IZ]

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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