They make them in all sorts of current / voltage ratios. You'll 
typically see 100:1, 500:1, 1000:1, etc. Just adjust based on load and 
your ADC.

Looks like Dwyer has a line that conveniently falls into the DS2438 
input range of 1-10V: 
http://www.dwyer-inst.com/Product/ProcessControl/CurrentTransformers-Switches/SeriesLTTJ

Priced here:
http://www.dwyer-inst.com/PDF_files/2014/US/LTTJ.d.pdf

These are a bit more expensive at $73, but if you hunted around you 
could probably find them cheaper.

Colin





On 2/8/2014 09:24, Daniel MacKay wrote:
> Colin:
>
>> Get yourself any good CT like this: https://www.sparkfun.com/products/11005
>
> You can see that that produces 300mV at 60A which is not enough voltage for 
> any 1-Wire voltage sensors I know of.
>
> -dan
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