Re: [TCML] Measuring Isecondary: Current transformer too close toprimary?

[Jim Lux <jimlux@xxxxxxxxxxxxx>]

Thy show up surplus...   I ran across a pile at work about 10-15 yrs ago in a junk pile.   I suspect nobody knew what they were.  So I snagged them and sent them out to willing adoptive parents.  

Moral of the story..  Stuff does turn up cheap if you wait.

On Sep 3, 2012, at 17:57, Andreas Hahn <andreas.hahn@xxxxxxxxxxx> wrote:

> I've seen those and they look great, but they're sadly far outside my budget!
> 
> 
> 
> On Sat, 1 Sep 2012, Carl Noggle wrote:
> 
>> It would probably work to use a Pearson current xfmr.  They are designed for pulse work and are accurate and robust.  They connect to the scope through a coax for low spurious pickup.  They are sort of expensive, but worth it.
>> 
>>   http://www.pearsonelectronics.com/products/current-monitors
>> 
>> The model 2100 would be a good bet.  It could also measure the primary current waveform.  I have a 411, but the 1/2" center hole is a problem. Might try it anyway.
>> 
>> ---Carl
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