[ARC5] Cap Test

[Ken]

      Huntrons are good, but they run a higher voltage  on the probes.  
That makes it harder to test higher capacitance capacitors.
You need to get down around 10 volts for testing them.

On 02/08/2011 08:55 PM, D C *Mac* Macdonald wrote:
> Even better, try to find a good Huntron Tracker!
>
> * * * * * * * * * * *
> * 73 - Mac, K2GKK/5 *
> * (Since 30 Nov 53) *
> * Oklahoma City, OK *
> * USAF, Ret (61-81) *
> * * * * * * * * * * *
>
>
>
>> Date: Tue, 8 Feb 2011 18:29:49 -0600
>> From: kenslimmer at aircanopy.net
>> To: arc5 at mailman.qth.net
>> Subject: Re: [ARC5] Cap Test
>>
>> Robert;
>> The best thing I have used to test Electrolytic Caps is a
>> oscilloscope with a component tester, or add an "Octopus" to a regular
>> oscilloscope. Once you understand what you are looking for, its easy
>> to see a leaky cap with one. Even better you can use it for semiconductors.
>>
>> Ken WA0SBU
>>
>>
>> On 02/08/2011 10:55 AM, Robert Eleazer wrote:
>>> Y'all please note that in WWII they "hacked" the equipment too. As the esteemed Mr. White described in his legendary articles, USAAF techs produced 9-13, 20-27 MHZ and 30-40 MHZ versions of BC-455's. Would hacking a unmodded set to produce one of these rare versions not be a worthy endeavor?
>>>
>>>
>>> And moving on now to less philosophical, and one would hope, less controversial realms, I wonder if anyone can recommend a quick and dirty test for electrolytic caps.
>>>
>>> Last night I turned not one, but two, 5Y3GT's into momentary night lights. I am trying to figure out why and I'm trying to decide if the previously satisfactory replacement electrolytic filter cap has turned violent.
>>>
>>> Normally I charge up a cap, remove the power and see how long it takes for the charge to dissipate. Instantaneous loss of voltage is bad. If it lingers on a while, slowly decaying at a steady rate, that's good.
>>>
>>> Any ideas?
>>>
>>> Wayne
>>>
>>> WB5WSV
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